Billen, Johan P. J.

BIOGRAPHICAL NOTE
Institute for Zoology, Catholic University of Leuven, Leuven, Belgium

Zoological Institute, University of Leuven, Naamsestraat 59, B-3000, Leuven, Belgium. (016)—283975.

PUBLICATIONS

 * [[Media:Ali et al 1989.pdf| Ali, M. F.; Billen, J. P. J.; Jackson, B. D.; Morgan, E. D. 1989. The Dufour gland contents of three species of Euro-African Messor ants and a comparison with those of North American Pogonomyrmex (Hymenoptera: Formicidae). Biochemical Systematics and Ecology 17:469-477. [1989-11-08] PDF]]


 * Billen, J.P.J. 1986. Comparative morphology and ultrastructure of the Dufour gland in ants. Entomologia Generalis 11: 165-181.


 * [[Media:Billen 1987.pdf|Billen, J.P.J. 1987. Morphology and ultrastructure of the abdominal glands in dolichoderine ants. Insectes Sociaux 33 (1986): 278-295. PDF]]


 * [[Media:Billen 1988.pdf| Billen, J.P.J. 1988. Comparaison entre les fourmis australiennes des genres Myrmecia et Nothomyrmecia. Actes des Colloques Insectes Sociaux 4: 27-33. PDF]]


 * [[Media:Billen 1989.pdf|Billen, J. P. J. 1989. Morphology of the cloacal gland in the ant Cataglyphis savignyi. Actes Colloq. Insectes Soc. 5: 301-306 PDF]]


 * [[Media:Billen 1990.pdf|Billen, J.P.J. 1990. The sting bulb gland in Myrmecia and Nothomyrmecia: a new exocrine gland in ants. International Journal of Insect Morphology and Embryology 19: 133-139. PDF]]


 * Billen, J.P.J. 1993. Morphology of the exocrine system in ants. Materialy Kollokviumov Sektsii Obshchestvennykh Nasekomykh Vsesoyuznogo Entomologicheskogo Obshchestva 2: 1-15.


 * [[Media:Billen 2002.pdf|Billen, J.; Espadaler, X. 2002. A novel epithelial intramandibular gland in the ant Pyramica membranifera (Hymenoptera, Formicidae). Belg. J. Zool. 132: 175-176 PDF]]


 * [[Media:Billen 1988.pdf|Billen, J.P.J. & Gotwald, W.H.,Jr. 1988. The crenellate lining of the Dufour gland in the genus Aenictus: a new character for interpreting phylogeny of Old World army ants. Zoologica Scripta 17: 293-295. PDF]]


 * [[Media:Billen 2000.pdf|Billen, J.; Ito, F.; Peeters, C. 2000. Novel exocrine glands in the hindleg tarsi of the ant Nothomyrmecia macrops. Aust. J. Zool 48: 661-667 PDF]]


 * [[Media:Billen et al 2005.pdf| Billen, J.; Thijs, B.; Ito, F.; Gobin, B. 2005. The pretarsal footprint gland of the ant Amblyopone reclinata (Hymenoptera, Formicidae) and its role in nestmate recruitment. Arthropod Struct. Devel. 34(2): 111-115 PDF]]


 * Gobin, B.; Rüppell, O.; Hartmann, A.; Jungnickel, H.; Morgan, E. D.; Billen, J. 2001. A new type of exocrine gland and its function in mass recruitment in the ant Cylindromyrmex whymperi (Formicidae, Cerapachyinae). Naturwissenschaften 88: 395-399


 * [[Media:Tijskens et al 2002.pdf| Tijskens, M.; Ito, F.; Billen, J. 2002. Novel exocrine glands in the legs of the ponerine ant Amblyopone reclinata (Hymenoptera, Formicidae). Netherlands Journal of Zoology 52:69-75. PDF]]