Phone: 352-392-1901 ext. 133 (Office) Fax: 352-392-0190
E-mail : tarjan@ifas.ufl.edu

• Professor Emeritus in Nematology
• University of Florida, Gainesville, Florida, USA
• Born: Cambridge, Massachusetts 20 December 1920 married, two children

• Bachelor of Science, 1947 (Rutgers University, New Jersey)
• Master of Science, 1949 (University of Maryland)
• doctor of philosophy, 1951 (University of Maryland)

• 1950-1951 Asst. Nematologist, u.s. dept. Of agriculture
• 1951-1955 Asst. Professor, University of Rhode Island
• 1955-1957 Assoc. Professor, University of Florida
• 1957-1989 Professor, University of Florida
• 1993-1996 Graduate Coordinator, Dept. of Entomology and Nematology, Univ. of Florida
• 1989-present Professor Emeritus, University of Florida
• Research fellowships with cooperative research conducted in: Egypt, Germany, Puerto Rico, Portugal, Costa Rica, Panama, and El Salvador.
• Invitational lectures, Peoples Republic of China, 1989; Guangzhou University, Xiamen Univerisyt and Beijing Agricultural University
• Publications: 207 research papers and 4 books

• Founder of the Florida Nematology Forum
• Charter member and organization committee member for The Society of Nematologists
• Member of organizing committee and first president of The Organization of Tropical American Nematologists
• Member of the organizing committee for The First World Congress of Nematology

• Award for meritorious service from Organization of Tropical American Nematologists
• Honorary member of the Society of Nematologists
• Fellow of the European Society of Nematologists
• Honorary member of the Organization of Tropical American Nematologists
• Honorary member, Florida Nematology Forum

1. The nematode genus Hemicycliophora de Man. 1921 (Criconematidae) with a description of a new plant-parasitic species. Proc. Helminth. Soc. Wash. 19 (2): 65-77. 1952.
2. Pathogenic behavior of certain root-knot nematodes, Meloidogyne spp., on snaprdragon, Antirrhinum majus L. Phytopathology 42 (12): 637-641. 1952.
3. Nematocidal value of some fatty acids. (With P. C. Cheo.) Rhode Island Agr. Exp. Sta. Bull. 332, 41 pp., April, 1956.
4. A redescription of Atylenchus decalineatus Cobb, 1913 (Nematoda: Tylenchinae). (With B. G. Chitwood as senior author.) Proc. Helminth. Soc. Wash. 24 (1): 48-52. 1957.
5. An aceto-osmium method for demonstrating nematodes in citrus roots. (With H. W. Ford.) Stain Technology 32 (4): 171-174. 1957.
6. An emended description of the marine nematode genus Halenchus Cobb, 1933 (Tylenchinae). Quart. Journ. Fla. Acad. Sci. 20 (2): 121-125. 1957.
7. A new genus, Pseudhalenchus (Tylenchinae: Nematoda), with descriptions of two new species. Proc. Helminth. Soc. Wash. 25 (1): 20-25. 1958.
8. Methods of using fatty acids to remove nematodes from livestock. (Senior author with V. J. Yates and J. L. Holmes.) U. S. Patent 2,846,351, August 5, 1958.
9. A review of the genus Paratylenchus Micoletzky, 1922 (Paratylenchinae; Nematoda) with a description of two new species. Ann. New York Acad. Sci. 84 (10): 329-390. 1960.
10. Check list of plant and soil nematodes a nomenclatorial compilation. Univ. Fla. Press, Gainesville, I-xiv and 1-200. 1960.
11. Growth characteristics of Dactylella drechsleri n. sp., an adhesive-knobbed, nematode-trapping Hyphomycete from Florida. Mycopath. et Mycolog. Appl. 14: 136-144. 1961.
12. A two-component apparatus for constructing Cobb metal slides for microscope mounts. (Junior author with P. J. Jutras.) Jour. Parasitol. 47 (3): 369-371. 1961.
13. Redescription de Xiphinema rotundatum Schuurmans-Stekhoven & Teunissen, 1938 et de Xiphinema mammillatum Schuurmans-Stekhoven & Teunissen, 1938 (Nematoda: Dorylaimidae). (With M. Luc as senior author.) Nematologica 9 (1): 116-124. 1963.
14. Observations on Xiphinema insigne Loos, 1949 and Xiphinema elongatum Schuurmans-Stekhoven and Teunissen, 1938 (Nematoda: Dorylaimidae). (With M. Luc as junior author.) Nematologica 9 (2): 163-172. 1963.
15. Paratylenchus elachistus Steiner, 1949 (Nematoda): Proposed rejection of a neotype Specimen. Z. N. (S.) 1615 (With A. M. Golden as junior author). Bul. Zool. Nomencl. 21 (3): 226. 1964.
16. Two new American dagger nematodes (Xiphinema: Dorylaimidae) associated with citrus, with comments on the variability of X. bakeri Williams, 1961. Proc. Helminth. Soc. Wash. 31 (1): 65-76. 1964.
17. Plant-parastici nematodes in the United Arab Republic. FAO Plant Prot. Bul. 12 (3): 1-8. 1964.
18. A compendium of the genus Tylenchorhynchus (Tylenchidae: Nematoda). Proc. Helminth. Soc. Wash. 31 (2): 270-280. 1964.
19. A compendium of the genus Criconemoides (Criconematidae: Nemata). Proc. Helminth. Soc. Wash. 33 (2): 109-125. 1966.
20. Transmission di virus de aparte di nematodi fitoparassiti con indagini sulla diffusione dei nematodi vettori nei vigneti dell Abruzzo, Molise e Marche. (Transmission of viruses in part by phytoparasitic nematodes with investigations on the distribution of the nematode vectors in the vineyards of Abruzzo, Molise, and Marche. (With A. Scognamiglio as senior author). Rivista di Viticoltura e di Enologia di Conegliano 20 (8-9): 351-360, 371-392. 1967.
21. The effect of interacting cultural practices on citrus trees with spreading decline. (With P. N. Simmons as junior author). Proc. Soil Crop Sci. Soc. Fla. 26 (1966): 22-31. 1967.
22. Zmiennosc cech diagnostyczych u niektorych nicieni roslinnych i glebowych. (Variability of diagnostic characters among some plant and soil nematodes.) Bull. Inst. Ochrony Roslin (Poznan, Poland) 9 (1): 105-116. 1967.
23. Increasing yield of Florida citrus through chemical control of the citrus nematode, Tylenchulus semipenetrans. (With J. H. O Bannon as senior author). Proc. 1st Intern. Citrus Symp. (Univ. Calif., Riverside) 2: 991-998. 1969.
24. Considerations required for the development of a primary nematology research program. Proc. Symp. Trop. Nematol. (Univ. Puerto Rico Agric. Exp. Sta., Rio Piedras): 146-155. 1969.
25. Variation within the Xiphinema americanum group (Nematoda: Longidoridae). Nematologica 15: 241-252. 1969.
26. Reconocimiento de nematodos en cultivos de importancia economica en El Salvador. (With L. Abrego as senior author). Nematropica 2 (2): 27-29. also in Bol. Inform. 105, Inst. Slv. Invest. Café, Santa Tecla, El Salvador, 6 pp. 1972
27. A synopsis of the genera and species in the Tylenchorhynchinae (Tylenchoidea, Nematoda). Proc. Helm. Soc. Wash. 40 (1): 123-144. 1973.
28. A compendium of the genus Mononchoides Rahm, 1928 (Diplogastrinae: Nematoda) (With W. T. Calaway as senior author). J. Nematology 5 (2): 107-116. 1973.
29. A rapid lactophenol-glycerine method for preserving nematodes. Proc. Helm. Soc. Wash. 40 (2): 296-297. 1973
30. Increasing yields of cacao by application of nematicides (With M. F. Jimenez & J. Soria V. as junior authors). Turrialba 23 (2): 138-142. 1973
31. Postplant fumigation with DBCP for citrus nematode control in Florida (With J. H. O Bannon as junior author). J. Nematol. 6 (1): 41-48. 1974
32. Xiphinema costaricense n. sp. (Longidoridae, Nematoda) a new species of dagger nematode from Costa Rica (With F. Lamberti as senior author). Nematologica Mediterranea 2 (1): 1-11. 1974 Abstracts, 12th Intl. Symp. Nematol., European Soc. Nematol., Granada, Spain, Sept. 1-7, 1974. Pp. 96-97.
33. Nomenclatorial compilation of plant and soil nematodes. (With B. E. Hopper as junior author). Society of Nematologists (publ.), 1974, i-xiii and 1-419 pp. 1974
34. Application of municipal solid waste compost to nematode-infected citrus. Nematropica 7 (2): 53-56. 1977
35. An illustrated key to nematodes found in fresh water. (With R. P. Esser and S. L. Chang as junior authors). Journal Water Pollution Control Federation 49: 2318-2337. 1977
36. Intraspecific morphological variation among populations of Pratylenchus brachyurus and P. coffeae. (With J. J. Frederick as junior author). Journal of Nematology 10 (2): 152-160. 1978.
37. Variability in measurements made of same nematode specimen by various observers or by one observer on different days. (With J. J. Frederick as senior author). Nematologica 24 (4): 476-478. 1979
38. Nonpesticidal approaches to nematode control. (With J. H. O'Bannon as junior author). Proceedings of the International Society of Citriculture (1977) 3: 848-853. 1979.
39. An illustrated guide to the marine nematodes. Inst. Food Agr. Sci., Univ. Florida, 212 pp. 1980. Nematological examination. Sect. 917, pp. 887-910. In Standard methods for the examination of water and waste water, Fifteenth edition, 1980. A. E. Greenberg, J. J. connors, D. Jenkins & M. H. Francson (eds). (With R. P. Esser and S. L. Chang as junior authors). American Health Assn, Washington, D.C., 1981
40. Analysis of the genus Bursaphelenchus Fuchs, 1937. (With C. Baeza A. as junior author). Nematropica 12 (1): 121-144. 1982
41. Spectral densitometric detection of stress symptoms in pine seedlings inoculated with the pinewood nematode. (Abstr.) (With G. J. Edwards as senior author). J. Nematology 14 (4): 437-438. 1982
42. Identification of some common Meloidogyne spp. juveniles by statistical multivariate analysis. (Abstr., with C. Baeza-A. as senior author). Nematologica 28 (1982): 134-135. 1983
43. Synopsis of the genus Meloidogyne Goeldi, 1887. (With T. E. Hewlett as senior author). Nematropica 13 (1): 79-102. 1983.
44. Suscepibility of slash, sand, and loblolly pines to Bursaphelenchus xylophilus (Nematoda: Aphelenchidae) and its distribution within the host. (With M. A. Luzzi as junior author). Proc. Florida State Hort. Soc. (1983) 96: 156-159. 1984
45. Nematode parasites of citrus. Chapt. 11, pp. 395-433. In Plant and insect nematodes, Nickle, W. R. (ed.), Marcel Dekker, Inc. N.Y. (With J. H. O'Bannon as junior author). 1984.
46. Genotype variability in Bermudagrass damage by ectoparsitic nematodes. (With P. Busey as junior author). HortScience 20 (4): 675-676. 1985
47. Effective use of marine algal products in the management of plant-parsitic nematodes. (With S. M. Paracer as senior author and Lynn M. Hodgson as third author). J. Nematology 19 (2): 194-200. 1987
48. A key to species in the genus Bursaphelenchus with a description of Bursaphelenchus hunanensis sp. n. (Nematoda: Aphelenchoididae) found in pine wood in Hunan Province, China. (With Kamshew Yin, Yusheng Fang as senior authors). Proc. Helm. Soc. Washington 55 (1): 1-11. 1988.
49. A compendium of the family Axonolaimidae, (Nematoda). (With Nguyen Ba Khuong as junior author) Cahiers. Biol. Marine 29: 375-393. 1988.
50. A compendium of the genus Pratylenchus Filipjev, 1936, (Nemata: Pratylenchidae). (With John J. Frederick as senior author). Revue de Nematologie 12 (3): 243-256. 1989
51. An illustrated key to the genera of free-living marine nematodes of the order Enoplida. (With Edwin J. Keppner as senior author) NOAA Tech. Rpt. NMFS 77, U.S. Dept. Commerce, 26 pp.1989
52. The genus Prochromadora with a redescription of P. orleji from a marine saltern in the People s Republic of China. (With J. S. Davis and N. B. Khuong as junior authors). J. Nematology 23 (4): 491-501. 1991.
53. Illustrated key to the genera of free-living marine nematodes of the Order Araeolaimida. (With E. J. Keppner as senior author) Univ. Fla. IFAS Techical Bull. 885, 18 pp. 1991.
54. Illustrated key to the genera of free-living marine nematodes of the Microlaimoidea and Desmodoroidea (Nematoda: Chromadorida: Chromadorina) (With E. J. Keppner as senior author) Univ. Fla. IFAS Technical Bull. 890, 21 pp. 1994. 1994

    ---

    Written May 1998

    [Beginning]