1. Warthen, D.  Synthesis of analogs of ibogaine.  1965.  (Ph.D. Thesis)

2. Warthen, D. and Jacobson, M.  Insect sex attractants.  VII.  5,9-Tridecadien-1-ol acetates.  J. Med. Chem. 10:1190-1191.  1967.

3. Warthen, D.  Synthesis of cis-9-tetradecen-1-ol acetate, the sex pheromone of the fall armyworm.  J. Med. Chem. 11:371-373.  1968.

4. Warthen, D. and Jacobson, M.  Insect sex attractants.  X.  5-Dodecen-1-ol acetates, analogs of the cabbage looper sex attractant.  J. Med. Chem. 11:373-374.  1968.

5. Warthen, D., Gooden, E. L. and Jacobson, M.  Tumor inhibitors:  liriodenine, a cytotoxic alkaloid from Annona glabra.  J. Pharm. Sci. 58(5):637-638.  1969.

6. Warthen, D. and Green, N.  Insect sex attractants:  XI.  Analysis of cis and trans isomers of fatty alcohol acetates by gas chromatography.  J. Amer. Oil  Chem. Soc. 46(4):191-193.  1969.

7. Jacobson, M., Green, N., Warthen, J. D. Jr., Harding, C. and Toba, H. H.  Sex pheromones of the Lepidoptera.  Recent progress and structure-activity relationships.  In "Chemicals controlling insect behavior," (M. Beroza, ed.), Academic Press, New York, 1970, pp. 3-20.  (Book Chapter)

8. Warthen, J. D. Jr., Rudrum. M., Moreno, D. S. and Jacobson, M.  Aonidiella aurantii sex pheromone isolation.  J. Insect Physiol. 16:2207-2209.  1970.

9. Green, N., Warthen, J. D. Jr. and Mangum, C. L.  Analysis of hexalure as related to its attractancy to pink bollworm moths.  J. Econ. Entomol. 64(6):1381-1384.  1971.

10. Warthen, J. D. Jr., Jones, W. A. and Jacobson, M.  Sex attractant in parthenogenetic American cockroaches.  J. Econ. Entomol. 65(6):1760-1761.  1972.

11. Stanic, V., Shulov, A., Ikan, R., Green, N., Warthen, D. and Jacobson, M.  Olfactory responses of the khapra beetle toward synthetic alkanol and alkenol acetates.  J. Econ. Entomol. 66(1):261-262.  1973.

12. Jones, W. A., Warthen, J. D. and Jacobson, M.  The occurrence of dibutyl phthalate in American cockroaches.  Environ. Lett. 4(2):103-107.  1973.

13. Warthen, J. D. Jr. and Jacobson, M.  Insect sex attractants:  XIV.  All-trans-alkenol acetates via sodium-liquid ammonia reduction.  Synthesis (10):616-617.  1973.

14. Struble, D. L., Jacobson, M., Green, N. and Warthen, J. D. Jr.  Bertha armyworm (Lepidoptera:  Noctuidae):  detection of a sex pheromone and the stimulatory effect of some synthetic chemicals.  Can. Ent. 107:355-359.  1975.  15. Warthen, J. D. Jr.  Separation of cis and trans isomers by reverse phase high pressure liquid chromatography.  J. Amer. Oil Chem. Soc. 52(5):151-153.  1975.

16. Argauer, R. J. and Warthen, J. D. Jr.  Separation of 1- and 2-naphthols and determination of trace amounts of 2-naphthyl methylcarbamate in carbaryl formulations by high pressure liquid chromatography with confirmation by spectrofluorometry.  Anal. Chem. 47(14):2472-2474.  1975.

17. Warthen, J. D. Jr.  Liquid chromatographic purification of geometric isomers on reverse-phase and silver-loaded macroporous cation exchange columns.  J. Chrom. Sci. 14:513-515.  1976.

18. Warthen, J. D. Jr., Waters, R. M. and Voaden, D. J.  Separation of alkadien-1-ol acetate geometric isomers by capillary gas-liquid chromatography.  Chromatographia 10(12):720-722.  1977.

19. Warthen, J. D. Jr. and Mandava, N.  Separation of isomeric (hydroxyphenyl)acetic acids by reversed-phase high-performance liquid chromatography.  J. Chromatogr. 144:263-265.  1977.
20. Waters, R. M., Voaden, D. J. and Warthen, J. D. Jr.  A preparation of (Z,E)-8,10-tridecadien-1-ol acetate.  Org. Preps. Proc. Int. 10(1):5-8.  1978.

21. Grove, M. D., Spencer, G. F., Pfeffer, P. E., Mandava, N., Warthen, J. D. Jr. and Worley, J. F.  6-D-Glucopyranosyl fatty acid esters from Brassica napus pollen.  Phytochemistry 17:1187-1189.  1978.

22. Chandra, G. R., Mandava, N. and Warthen, J. D. Jr.  Uridine diphosphate glucose:  fatty acid glucosyl transferase activity of rape (Brassica napus L.) anther tissue.  Biochem. Biophys. Acta 526:387-397.  1978.

23. Mandava, N., Kozempel, M., Worley, J. F., Matthees, D., Warthen, J. D. Jr., Jacobson, M., Steffens, G. L., Kenney, M. and Grove, M. D.  Isolation of brassins by extraction of rape (Brassica napus L.) pollen.  Ind. Eng. Chem. Prod. Res. Dev. 17(4):351-354.  1978.

24. Warthen, J. D. Jr., Redfern, R. E., Uebel, E. C. and Mills, G. D. Jr.  An antifeedant for fall armyworm larvae from neem seeds.  USDA Sci. & Educ. Adm. Agric. Res. Results, Northeast. Ser., No. 1, 9 pp.  Beltsville, MD.  November 1978.

25. Warthen, J. D. Jr., Uebel, E. C., Dutky, S. R., Lusby, W. R. and Finegold, H.  Adult house fly feeding deterrent from neem seeds.  USDA Sci. & Educ. Adm. Agric. Res. Results, Northeast. Ser., No. 2, 11 pp.  Beltsville, MD.  November 1978.

26. Warthen, J. D. Jr.  Azadirachta indica:  a source of insect feeding inhibitors and growth regulators.  USDA Sci. & Educ. Adm. Agric. Rev. & Manuals, Northeast. Ser., No. 4, 21 pp.  Beltsville, MD.  April 1979.  (Review article)

27. Uebel, E. C., Warthen, J. D. Jr. and Jacobson, M.  Preparative reversed-phase liquid chromatographic isolation of azadirachtin from neem kernels.  J. Liq. Chrom. 2(6):875-882.  1979.

28. Grove, M. D., Spencer, G. F., Rohwedder, W. K., Mandava, N., Worley, J. F., Warthen, J. D. Jr., Steffens, S. L., Flippen-Anderson, J. L. and Cook, J. C. Jr.  Brassinolide, a plant-growth-promoting steroid isolated from Brassica napus pollen.  Nature 281:216-217.  1979.

29. Redfern, R. E., Warthen, J. D. Jr., Mills, G. D. Jr. and Uebel, E. C.  Molting inhibitory effects of azadirachtin on large milkweed bug.  USDA Sci. & Educ. Adm. Agric. Res. Results, Northeast. Ser., No. 5, 5 pp.  Beltsville, MD.  October 1979.

30. Mandava, N., Orellana, R. G., Warthen, J. D. Jr., Worley, J. F., Dutky, S. R., Finegold, H. and Weathington, B. C.  Phytotoxins in Rhizoctonia solani:  isolation and biological activity of m-hydroxy- and m-methoxyphenylacetic acids.  J. Agric. Food Chem. 28:71-75.  1980.

31. Warthen, J. D. Jr.  Preparative high-performance liquid chromatographic separation of natural farnesol isomers.  J. Liq. Chrom. 3(2):279-286.  1980.

32. Warthen, J. D. Jr. and Uebel, E. C.  Comparison of the unsaturated cuticular hydrocarbons of male and female house crickets, Acheta domesticus (L.) (Orthoptera:  Gryllidae).  Insect Biochem. 10:435-439.  1980.

33. Warthen, J. D. Jr. and Uebel, E. C.  Differences in the amount of two major cuticular esters of Melanoplus differentialis males, females, and nymphs.  Acrida 9:101-109.  1980.

34. Warthen, J. D. Jr. and Uebel, E. C.  Major unsaturated cuticular hydrocarbons of the field crickets, Gryllus pennsylvanicus and Nemobius fasciatus.  Lipids 15(8):601-603.  1980.

35. Warthen, J. D. Jr. and Uebel, E. C.  Effect of azadirachtin on house crickets, Acheta domesticus.  Natural Pesticides from the Neem Tree (Azadirachta indica A. Juss), The First International Neem Conference, Rottach-Egern, Federal Republic of Germany, pp. 137-148, June 16-18, 1980.  (Conference Proceedings)

36. Redfern, R. E., Warthen, J. D. Jr., Uebel, E. C. and Mills, G. D. Jr.  The antifeedant and growth-disrupting effects of azadirachtin on Spodoptera frugiperda and Oncopeltus fasciatus.  Natural Pesticides from the Neem Tree (Azadirachta indica A. Juss), The First International Neem Conference, Rottach-Egern, Federal Republic of Germany, pp. pp. 129-136, June 16-18, 1980.  (Conference Proceedings)

37. Meisner, J., Ascher, K. R. S., Aly, R. and Warthen, J. D. Jr.  Response of Spodoptera littoralis (Boisduval) and Earias insulana (Boisduval) larvae to azadirachtin and salannin.  Phytoparasitica 9(1):27-32.  1981.

38. Jacobson, M., Crystal, M. M. and Warthen, J. D. Jr.  Boll weevil feeding deterrents from tung oil.  J. Agric. Food Chem. 29:591-593.  1981.

39. Warthen, J. D. Jr., Uebel, E. C., Lusby, W. R. and Adler, V. E.  The cuticular lipids of the walkingstick, Diapheromera femorata (Say).  Insect Biochem. 11(4):467-472.  1981.

40. Reed, D. K., Jacobson, M., Warthen, J. D. Jr., Uebel, E. C., Tromley, N., Jurd, L. and Freedman, B.  Cucumber beetle antifeedants:  laboratory screening of natural products.  USDA Sci. & Educ. Adm. Technical Bulletin No. 1641, 13 pp. 1981.  (Technical Bulletin)

41. Reed, D. K., Warthen, J. D. Jr., Uebel, E. C. and Reed, G. L.  Effects of two triterpenoids from neem on feeding by cucumber beetles (Coleoptera:  Chrysomelidae).  J. Econ. Entomol. 75(6):1109-1113.  1982.

42. Warthen, J. D. Jr., Redfern, R. E., Uebel, E. C. and Mills, G. D. Jr.  Antifeedant screening of thirty-nine local plants with the fall armyworm larvae.  J. Environ. Sci. Health A17(6):885-895.  1982.

43. Warthen, J. D. Jr., Uebel, E. C., Lusby, W. R. and Adler, V. E.  Investigation of a sex pheromone for the oriental cockroach, Blatta orientalis.  J. Insect Physiol. 29(8):605-609.  1983.

44. Stokes, J. B., Uebel, E. C., Warthen, J. D. Jr., Jacobson, M., Flippen-Anderson, J. L., Gilardi, R., Spishakoff, L. M. and Wilzer, K. R.  Isolation and identification of novel lactones from male Mexican fruit flies.  J. Agric. Food Chem. 31(6):1162-1167.  1983.

45. Warthen, J. D. Jr., Waters, R. M., Flippen-Anderson, J. L. and Gilardi, R.  Purification of synthetic warburganal intermediates by open column and high-performance liquid chromatography.  Chromatographia 17(11):623-626.  1983.

46. Jacobson, M., Stokes, J. B., Warthen, J. D. Jr., Redfern, R. E., Reed, D. K., Webb, R. E. and Telek. L.  Neem research in the U.S. Department of Agriculture:  an update.  Second International Neem Conference, Rauischholzhausen, Federal Republic of Germany, pp. 31-42, 1983.  (Conference Proceedings)

47. Warthen, J. D. Jr., Stokes, J. B. and Jacobson, M.  Estimation of azadirachtin content in neem extracts and formulations.  J. Liq. Chrom. 7(3):591-598.  1984.

48. Redfern, R. E., Warthen, J. D. Jr., Jacobson, M. and Stokes, J. B.  Antifeeding potency of neem formulations.  J. Environ. Sci. Health A19(4):477-481.  1984.

49. Larew, H. G., Webb, R. E. and Warthen, J. D. Jr.  Leafminer controlled on chrysanthemum by neem seed extract applied to potting soil.  The Fourth Annual Industry Conference on the Leafminer, Sarasota, FL, pp. 108-117, 1984.  (Conference Proceedings)

50. Webb, R., Larew, H. B., Wieber, A. M., Ford, P. W. and Warthen, J. D. Jr.  Systemic activity of neem seed extract and purified azadirachtin against Liriomyza leafminers.  The Fourth Annual Industry Conference on the Leafminer, Sarasota, FL, pp. 118-127, 1984.  (Conference Proceedings)

51. Ladd, T. L. Jr., Warthen, J. D. Jr. and Klein, M. G.  Japanese beetles (Coleoptera:  Scarabaeidae):  The effects of azadirachtin on the growth and development of the immature forms.  J. Econ. Entomol. 77(4):903-905.  1984.

52. Redfern, R. E., Hayes, D. K., Warthen, J. D. Jr., Demilo, A. B. and McGovern, T. P.  Responses of nymphs of the large milkweed bug and pupae of the yellow mealworm to three compounds affecting insect growth.  Annual Review of Chronopharmacology 1:239-242.  1984.

53. Larew, H. G., Knodel-Montz, J. J., Webb, R. and Warthen, J. D. Jr.  Liriomyza trifolii (Burgess) (Diptera:  Agromyzidae) control on chrysanthemum by neem seed extract applied to soil.  J. Econ. Entomol. 78(1):80-84.  1985.

54. Warthen, J. D. Jr. and McGovern, T. P.  GC/FTIR analyses of trimedlure isomers and related esters.  J. Chrom. Sci. 24:451-457.  1986.

55. Warthen, J. D. Jr. and McGovern, T. P.  Purification of cis-trimedlure isomers and related esters.  Chromatographia 21(11):651-654.  1987.

56. Warthen, J. D. Jr., Waters, R. M. and McGovern, T. P.  13C and 1H chemical shift assignments and conformation confirmation of trimedlure-Y via 2-D NMR.  Spectrochimica Acta 43A(7):895-899.  1987.

57. Warthen, J. D. Jr., Waters, R. M. and McGovern, T. P.  1H/13C chemical shift correlations in the complex proton pattern of trans-trimedlure isomers.  Spectrochimica Acta 44A(2):175-178.  1988.

58. Zehnder, G. and Warthen, J. D. Jr.  Antifeedant and mortality effects of neem-seed extract on the Colorado potato beetle, Leptinotarsa decemlineata.  J. Econ. Entomol. 81(4):1040-1044.  1988.

59. Maradufu, A. and Warthen, J. D. Jr.  Furanosesquiterpenoids from Commiphora myrrh oil.  Plant Science 57:181-184.  1988.

60. Zehnder, G. W. and Warthen, J. D. Jr.  Neem:  A plant extract for control of Colorado potato beetle.  Virginia Cooperative Extension Service, The Vegetable Growers News 42(6):1-2.  1988.  (Popular Publication)

61. McInnis, D. O. and Warthen, J. D. Jr.  Mediterranean fruit fly (Diptera:  Tephritidae):  laboratory bioassay for attraction of males to leaf or stem substances from Ficus and Litchi.  J. Econ. Entomol. 81(6):1637-1640.  1988.

62. Warthen, J. D. Jr. and McGovern, T. P.  Semi-preparative high-performance liquid chromatographic separation of trimedlure isomers.  Chromatographia 25(9):811-814.  1988.

63. Zehnder, G. W. and Warthen, J. D. Jr.  Testing neem on Virginia beetles.  Spudman 9/88:22-23.  1988.  (Popular Publication)

64. Warthen, J. D. Jr. and McInnis, D. O.  Isolation and identification of male medfly attractive components in Litchi chinensis stems and Ficus spp. stem exudates.  J. Chem. Ecol. 15(6):1931-1946.  1989.

65. Ascher, K. R. S., Streloke, M., Schmidt, G. H. and Warthen, J. D. Jr.  The antifeedant effect of neem seed kernel extract and azadirachtin on nymphs of Eyprepocnemis plorans.  Phytoparasitica 17(3):167-174.  1989.

66. Warthen, J. D. Jr.  Neem (Azadirachta indica A. Juss):  organisms affected and reference list update.  Proc. Entomol. Soc. Wash. 91(3):367-388.  1989.  (Review Article)

67. Fritz, G. L., Mills, G. D. Jr., Warthen, J. D. Jr. and Waters, R. M.  Reimer-Tiemann adducts as potential insect antifeedant agents:  reviewing the structure-activity relationship theory of the antifeedant, warburganal.  J. Chem. Ecol. 15(12):2607-2623.  1989.

68. Carroll, J. F., Maradufu, A. and Warthen, J. D. Jr.  Evaluation of an extract of Commiphora erythraea (Burseraceae) as a larvicide and repellent against ticks.  Entomol. exp. appl. 53:111-116.  1989.

69. Warthen, J. D. Jr. and McGovern, T. P.  Semi-preparative high-performance liquid chromatographic separation of four 1,1-dimethylethyl 4- and 5-bromo-trans-2- methylcyclohexane-1-carboxylate isomers.  Chromatographia 28(11/12):585-587.  1989.

70. Warthen, J. D. Jr.  Insect feeding deterrents (1976-1980).  In "Handbook of Natural Pesticides Vol. VI - Insect Attractants and Repellents," Chapter 2A, CRC Press, Inc., Boca Raton, FL, February 20, 1990, pp. 23-82.  (Book Chapter)

71. Morgan, E. D. and Warthen, J. D. Jr.  Insect Feeding Deterrents (1980-1987).  In "Handbook of Natural Pesticides Vol. VI - Insect Attractants and Repellents," Chapter 2B, CRC Press, Inc., Boca Raton, FL, February 20, 1990, pp. 83-134.  (Book Chapter)

72. Warthen, J. D. Jr. and McGovern, T. P.  Semi-preparative high-performance liquid chromatographic separation of ceralure and related isomers.  Chromatographia 29(3/4):135-138.  1990.

73. Warthen, J. D. Jr., Waters, R. M. and Oliver, J. E.  1H NMR chemical shift studies of pregn-5-ene-3ß,20(R)-diol and pregn-5-ene-3ß-ol,20-one D-glucopyranoside derivatives.  Spectrochimica Acta 46A(3):369-375.  1990.

74. McGovern, T. P., Warthen, J. D. Jr. and Cunningham, R. T.  Relative attraction of the Mediterranean fruit fly (Diptera:  Tephritidae) to the eight isomers of trimedlure.  J. Econ. Entomol. 83(4):1350-1354.  1990.

75. Zehnder, G. W. and Warthen, J. D.  Activity of neem extract and Margosan-O for control of Colorado potato beetle in Virginia.  Neem's Potential in Pest Management Programs, Proceedings of the USDA Neem Workshop, Beltsville, MD, April 16-17, 1990.

76. Leonhardt, B. A., Mastro, V. C., Schwarz, M., Tang, J. D., Charlton, R., Pellegrini-Toole, A., Warthen, J. D. Jr., Schwalbe, C. P. and Carde, R. T.  Identification of sex pheromone of browntail moth, Euproctis chrysorrhoea (L.) (Lepidoptera:  Lymantriidae).  J. Chem. Ecol. 17:897-910.  1991.

77. Raina, A. K., Stadelbacher, E. A. and Warthen, J. D. Jr.  Role of host plants in the reproductive behavior of females of Heliothis and Helicoverpa species.  Proc. Conf. Insect Chem. Ecol., Tabor, Czechoslovakia, Academia Prague and SPB Acad. Publ. The Hague,  pp. 261-276, August 12-18, 1990.  (Conference Proceedings)

78. Azambuja, Patricia de, Garcia, E. S., Ratcliffe, N. A. and Warthen, J. David  Immune-depression in Rhodnius prolixus induced by the growth inhibitor, azadirachtin.  J. Insect Physiol. 37:771-777.  1991.

79. Schmidt, W. F., Waters, R. M., Warthen, J. D. Jr., and Mitchell, A. D.  High resolution 2D C-13 homonuclear NOESY chemical exchange and molecular mechanics of the structure and conformation of control and obese mouse triglycerides.  Proceedings Experimental Nuclear Magnetic Resonance Conference 32:78.  1991.

80. Warthen, J. D. Jr., DeMilo, A. B., Leonhardt, B. A., Lusby, W. R., DeVilbiss, E. D. and Schreck, C. E.  Separation of cis and trans isomers from a mosquito repellent, CIC-4, via semi-preparative HPLC and the repellent effect of each.  J. Chromatogr. 590:133-138.  1992.

81. Schmidt, W. F., Waters, R. M., Mitchell, A. D. Warthen, J. D. Jr., Honigberg, I. L. and van Halbeek, H.  Association of ß-agonists with corresponding ß2- and ß1 adrenergic pentapeptide sequences.  Int. J. of Peptide and Protein Res.  41:467-475.  1993.

82. Warthen, J. D. Jr., Schmidt, W. F., Cunningham, R. T., DeMilo, A. B. and Fritz, G. L.  Quantitative structure-activity relationships (QSAR) of trimedlure isomers.  J. Chem. Ecol.  19(7):1323-1335.  1993.

83. Peterson, S. C., Hanson, F. and Warthen, J. D. Jr.  Deterrence coding by a larval Manduca chemosensory neuron that mediates the rejection of a non-host plant, Canna generalis L.  Physiological Entomology 41:467-475.  1993.

84. Warthen, J. D. Jr., Cunningham, R. T., DeMilo, A. B. and Spencer, S.  trans-Ceralure isomers:  differences in attraction for the Mediterranean fruit fly, Ceratitus capitata (Wied.) (Diptera:  Tephritidae)  J. Chem. Ecol. 20:569-578.  1994.

85. DeMilo, A. B., Warthen, J. D. Jr. and Leonhardt, B. A.  A capillary GC method for the analysis of the trans-isomers of ceralure, a medfly attractant.  J. Chrom. A. 673:295-298.  1994.

86. DeMilo, A. B., Warthen, J. D. Jr., Sardashti, M. and O'Connell, J.  Structure confirmation of the four trans isomers of ceralure, a medfly attractant, by NMR.  J. Ag. Food Chem.  42:2089-2093.  1994

87. Warthen, J. D. Jr., Schmidt, W. F., Doolittle, R. E. and Cunningham, R. T.  Structure activity relationship observations of trans-trimedlure enantiomers.  J. Chem. Ecol.  21:69-79.  1995.

88. Warthen, J. D. Jr., Klun, J. E., Oliver, J. E., Schwarz, M., and Wakabayashi, N.  Structure-activity relationship observations for the European corn borer moth pheromone and fluoro analogs via computer molecular modeling.  J. Chem. Ecol.  21:1921-1930.  1995.

89. Leonhardt, B. A., Cunningham, R. T.,  Avery, J., DeMilo, A. B., and Warthen, J. D. Jr.  Comparison of ceralure and trimedlure attractants for the male Mediterranean fruit fly (Diptera:Tephritidae).  J. Entomol. Sci. 31:183-190.  1996.

90. Warthen, J. D. Jr., Klun, J. A., and DeVilbiss, E. D.  Structure-activity relationship observations for the bagworm moth pheromone via computer molecular modeling.  J. Chem. Ecol.  22:1315-1324.  1996.

91. Warthen, J. D., Cunningham, R. T., Leonhardt, B. A., Cook, J. M., Avery, J. W., and Harte, E. M.  Improved controlled-release formulations for a new trap design for male Mediterranean fruit flies:  the C&C trap.  J. Chem. Ecol. 23:1471-1486.  1997.

92. Warthen, J. D., Lee, C-J., Jang, E. B., Lance, D. R., and McInnis, D. O.  Volatile, potential attractants from ripe coffee fruit for the female Mediterranean fruit fly (Diptera:  Tephritidae).  J. Chem. Ecol.  23:1891-1900.  1997.

93. Warthen, J. D., Cunningham, R. T., Leonhardt, B. A., Cook, J. M., Avery, J. W., and Harte, E. M.  Comparison of ceralure and trimedlure controlled-release formulations for male Mediterranean fruit flies in C&C traps.  J. Chem. Ecol.  24:1305-1314.  1998.

94. Warthen, J. D., Mitchell, E. R., and Harte, E. M.  Laboratory release rate studies of Shin-Etsu, freshly manufactured versus cold-stored, fresh pheromone ropes.  J. Environ. Sci. Health   A33:701-714.  1998.

95. Neal, Jr., John W., Davis, John C., Bentz, Jo-Ann, Warthen, Jr., J. David, Griesbach, Robert J., Santamour, Jr., Frank S.  Allelochemical activity in Ardisia species (Myrsinaceae) against selected Arthropods.  J. Econ. Entomol. 91:608-617.  1998.

96. Prokopy, R. J., Xingping, Hu, Jang, E. B., Vargas, R. I., and Warthen, J. David. Attraction of mature Ceratitis capitata females to 2-heptanone, a component of coffee fruit odor. J. Chem. Ecol. 24:1293-1304.

97. Warthen, J. D. Jr., DeMilo, A. B., Waters, R. M., and Schmidt. W. F.  Structure confirmation of cis and trans isomers of the insect repellent CIC-4 by NMR analysis.  (Submitted to journal)

98. Warthen, J. D., Avery, J. W., Cunningham, R. T., and Cook, J. M.  Attractancy evaluation of ceralure-B1 isomer via field captures of Mediterranean fruit flies (Diptera:  Tephritidae). J. Environ. Sci. Health, Part B, Vol.B34, No. 2, Pages 333-347 (1999).

99. Warthen, J. D., Leonhardt, B. A., Cunningham, R. T., Rice, R. E., Harte, E. M., and Cook, J. M.  A new trimedlure plug dispenser for the attraction of male Mediterranean fruit flies.  J. Environ. Sci. Health, Part A, Vol.A34, No.3, Pages 557 - 565 (1999).

1. Jones, W. A., Warthen, J. D. and Jacobson, M.  The occurrence of dibutyl phthalate in American cockroaches.  Annual Meeting of the Eastern Branch, Entomological Society of America, Atlantic City, NJ, October, 1972.  (Abstract)

2. Argauer, R. J. and Warthen, J. D. , Jr.  Separation of 1- and 2-naphthols and determination of trace amounts of 2-naphthyl methylcarbamate in carbaryl formulations by high pressure liquid chromatography with confirmation by spectrofluorometry.  The First Chemical Congress of the North American Continent, Mexico City, Mexico, December 1975.  (Abstract)

3. Mandava, N., Worley, J. F., Warthen, J. D. Jr., Grove, M. D. and Pfeffer, P. E.  Isolation and identification of brassins.  The Ninth International Conference on Plant Growth Substances, Lausanne, Switzerland, August 30-September 4, 1976.  (Abstract)

4. Chandra, G. R., Mandava, N. and Warthen, J. D. Jr.  Biosynthesis of glucosyl esters of fatty acids in rape (Brassica napus L.) anther tissue.  American Society of Plant Physiologists, Blacksburg, VA, July 1978.  (Abstract)

5. Mandava, N., Orellana, R. S. and Warthen, J. D. Jr.  Phytotoxins from Rhizoctonia solanni.  The National Meeting of the American Chemical Society, Miami, FL, September 15, 1978.  (Abstract)

6. Grove, M. D., Spencer, G. F., Mandava, N., Worley, J. F., Warthen, J. D. Jr., Steffens, G. L. and Flippen-Anderson, J. L.  Isolation and structure of a new growth-promoting steroid from Brassica napus pollen.  The International Plant Growth Regulators Conference, Madison, WI, July 1978.  (Abstract)

7. Uebel, E. C. and Warthen, J. D. Jr.  Gas-liquid chromatographic comparisons of the cuticular lipids from male and female house crickets, Acheta domesticus (L.) (Orthoptera:  Gryllidae).  51st Annual Meeting, Eastern Branch of the Entomological Society of America and The Entomological Society of Pennsylvania, Hershey, PA, September 26-28, 1979.  (Abstract)

8. Jacobson, M., Crystal, M. M. and Warthen, J. D. Jr.  Feeding deterrents for the boll weevil in tung oil.  The National Meeting of the Entomological Society of America, Denver, Col., November 25-29, 1979.  (Abstract)

9. Uebel, E. C. and Warthen, J. D. Jr.  Gas-liquid chromatographic comparisons of the cuticular lipids from male and female house crickets, Acheta domesticus (L.) (Orthoptera:  Gryllidae).  J. of New York Entomol. Soc. 88:79-80.  1980.  (Abstract)

10. Stokes, J. B., Warthen, J. D. Jr. and Jacobson, M.  Isolation and identification of novel lactone compounds from Mexican fruit flies.  16th Middle Atlantic Regional Meeting, American Chemical Society, Newark, DL, April 21-23, 1982.  (Abstract)

11. Warthen, J. D. Jr., Uebel, E. C. and Lusby, W. R.  Isolation of a sex pheromone for the oriental cockroach, Blatta orientalis L.  Joint meeting, Entomological Society of America, Entomological Society of Canada, Entomological Society of Ontario, November 29-December 3, 1982.  (Abstract)

12. Stokes, J. B., Redfern, R. E., Warthen, J. D. Jr. and Jacobson, M.  Antifeeding potency of neem formulations.  Beltsville Symposium VIII, Agricultural Chemicals of the Future, Beltsville, MD, May 16-19, 1983.  (Abstract)

13. Stokes, J. B., Redfern, R. E., Warthen, J. D. Jr. and Jacobson, M.  Antifeeding potency of neem formulations.  Fifty-fifth Annual Meeting, Eastern Brach Entomological Society of America, Providence, RI, September 18-21, 1983.  (Abstract)

14. Redfern, R. E., Hayes, D. K., Warthen, J. D. Jr., Demilo, A. B. and McGovern, T. P.  Responses of nymphs of the large milkweed bug and pupae of the yellow mealworm to three compounds affecting insect growth.  1st International Montreux Conference of Biological Rhythms and Medications, Montreux, Switzerland, March 26-30, 1984.  (Abstract)

15. Warthen, J. D. Jr., McGovern, T. P. and Inscoe, M.  GC-FTIR analyses of trimedlure and related esters.  Beltsville Symposium XI.  Research Instrumentation for the 21st Century, Beltsville, MD, May 4-8, 1986.  (Abstract)

16. Warthen, J. D. Jr. and McGovern, T. P.  Semi-preparative HPLC separation of trimedlure isomers.  HPLC'88, the Twelfth International Symposium on Column Liquid Chromatography, Washington, D.C., June 19-24, 1988.  (Abstract)

17. Fritz, G. L., Warthen, J. D. Jr., Cunningham, R. T. and Waters, R. M.  Structure-activity relationship of (+)-(a- copaene analogs as male medfly attractants.  ACS National Meeting, Division of Agrochemicals, Los Angeles, CA, September, 1988.  (Abstract)

 18. Leonhardt, B. A., Cunningham, R. T., Warthen, J. D. Jr. and DeMilo, A. B.  Fruit Fly Attractants and Formulations.  IOBC Meeting, Pheromones in Mediterranean Pest Management, Granada, Spain, September 11, 1990.  (Abstract)

 19. Schmidt, W. F., Waters, R. M., Warthen, J. D. Jr. and Mitchell, A. D.  Triglyceride sequence in the structure and conformation of obese and control mouse body fat.  First Annual BARC Post-Doc Research Conference, Beltsville, MD, December 5, 1990.  (Abstract)

 20. Schmidt, Walter F., Waters, Rolland M., Warthen, J. David Jr. and Mitchell, Alva D.  High resolution 2D C-13 homonuclear NOESY chemical exchange and molecular mechanics of the structure and conformation of control and obese mouse triglycerides.  32nd Experimental NMR Conference, St. Louis, MO, April 8-11, 1991.  (Abstract)

 21. Warthen, J. D. Jr., DeMilo, A. B., Schreck, C. E., Leonhardt, B. A., Lusby, W. R. and DeVilbiss, E. D.  Isolation of cis and trans isomers from a mosquito repellent, CIC-4, via semi-preparative HPLC.  8th International Symposium on Preparative Chromatography, PREP-91, Arlington, VA, May 13-15, 1991.  (Abstract)

 22. DeMilo, A. B., Warthen, J. D. Jr., Waters, R. M. and Schmidt. W. F.  Structure confirmation of cis and trans isomers of the insect repellent CIC-4 by NMR analysis.  25th Middle Atlantic Regional Meeting, Delaware Section ACS, University of Delaware, May 21-23, 1991.  (Abstract)

 23. Warthen, J. D. Jr., DeMilo, A. B., Schmidt, W. F. and Fritz, G. L.  Molecular comparisons of trimedlure isomers by computer-aided molecular modeling.  25th Middle Atlantic Regional Meeting, Delaware Section ACS, University of Delaware, May 21-23, 1991.  (Abstract)

 24. Warthen, J. D. Jr., DeMilo, A. B., Waters, R. M., Leonhardt, B. A., Schreck, C. E., Lusby, W. R., Schmidt, W. F. and DeVilbiss, E. D.  Semi-preparative HPLC isolation and NMR analyses of the cis and trans isomers of a bicyclic lactone mosquito repellent, 1,1,4,5,6,7,8,8a-octahydro-3H-2-benzopyran- 3-one.  4th Chemical Congress of North America & 202nd ACS National Meeting, New York, New York, August 25-30, 1991.  (Abstract)

 25. DeMilo, A. B., Warthen, J. D. Jr. and Leonhardt, B. A.  A capillary GC method for the analysis of ceralure, a potent and persistent medfly attractant.  ESA Annual Meeting, Reno, Nevada, December 8-12, 1991.  (Abstract)

 26. DeMilo, A. B., Warthen, J. D. Jr., Sardashti, M. and O'Donnell, D. J.  Structure confirmation of the four trans isomers of ceralure, a medfly attractant by NMR.  ACS Meeting, Washington, D.C., August 1992.  (Abstract)

 27. Warthen, J. D. Jr  Physiology and Biochemistry of Sterols, G. W. Patterson and W. D. Nes, eds.  J. Natural Products October 1992.  (Book Review)

 28. Warthen, J. D. Jr., Schmidt, W. F., Cunningham, R. T., DeMilo, A. B. and Fritz, G. L.  Structure/medfly-attractiveness relationships of trimedlure isomers via computer-aided molecular modeling.  1992 Joint 44th Southeastern-26th Middle Atlantic Regional Meeting of the American Chemical Society, Arlington, VA, December 6-9, 1992.  (Abstract)

 29. Warthen, J. D. Jr.  Utilization of computer molecular modeling (CHEM-X) for QSAR of trimedlure isomers.  Beltsville Symposium XVIII - Pest Management:  Biologically Based Technologies.  Beltsville, MD, May 2-6, 1993.  (Abstract)

 30. Warthen, J. D., Jr., Schmidt, W. F., Doolittle, R. E., and Cunningham, R. T.  Structure-activity relationship observations of trans-trimedlure enantiomers.  28th Middle Atlantic Regional Meeting.  Baltimore, MD, May 25-27, 1994.  (Abstract)

 31. Warthen, J. D., Jr., Klun, J. A.., and Schwarz, M.  SAR observations for the European corn borer moth pheromone and fluoro analogs via computer molecular modeling.  29th Middle Atlantic Regional Meeting.  Washington, D.C., May 25-27, 1995.  (Abstract)

 32. Warthen, J. D., Jr., Leonhardt, B. A., Cunningham, R. T., and Harte, E. M.  Comparison of attraction of ceralure and trimedlure on panels in C&C traps for the male Mediterranean fruit fly (Diptera:Tephritidae).  31st Middle Atlantic Regional Meeting.  Philadelphia, PA,  May 22-24, 1996.  (Abstract)

*USDA Superior Service Award, 1997.
*USDA Service Award, 1996.
*USDA Service Award, 1995.
*USDA Spot Award for help over and above the call of duty in solving computer problems with the film recorder, 1994.
*USDA Cash Award for design, installation, hookup, and operation of the ICEL computer network, 1993.
*USDA Cash Award for ICEL computer assistance, 1992
*USDA Superior Performance Award, 1991.
*USDA Spot Award for PSI Awards Committee service, 1991, 1992, 1993, 1994.
*USDA Cash Award for establishing ICEL computer literacy, 1990.
*USDA Outstanding performance award, 1987.USDA Superior Service Unit Award for brassin research, 1984.USDA *Cash Award for the preparation of a highly comprehensive, and exceptionally valuable reference CRC chapter on naturallyÊÊ occurring insect feeding deterrents, 1983.
*USDA SEA Director's Team Award for outstanding effort in isolating, identifying, and developing methods to use natural chemicals in plants to inhibit insect infestation, 1981.
*Naval Research Laboratory Publication Team Cash Award for the publication "Brassinolide, a plant growth-promoting steroid isolated from Brassica napus pollen," 1980.
*Elected to Rho Chi, Phi Kappa Phi, and Sigma Xi.
*National Institutes of Health Fellowship, University of Maryland, 1961-1965.
*American Foundation for Pharmaceutical Education Fellowship, University of Maryland, 1960 1961.
*Merck Award in Chemistry, University of Maryland School of Pharmacy, 1960.
*Certificate of Honor (3rd in graduating class), University of Maryland School of Pharmacy, 1960.
*Lions Club Scholarship to University of Maryland School of Pharmacy, 1956-1960.