Laboratory of  Experimental Entomology and BioControl Theory Russia, 199034, St.-Petersburg, Zoological Institute. Phone: +7 (812) 714 0442; Fax: +7 (812) 714 0444; E-mail: sreznik@zin.ru

Diapause and reproduction in Trichogramma species:
environmental and endogenous control

Project started by Dr. V.A. Zaslavski and T.Ya. Umarova (1980-1985) and currently continued by S.Ya. Reznik, T.Ya. Umarova,  T.S. Kats   and N.D. Voinovich (since 1998). 

References
(those published in English are indicated by blue color)

Reznik S.Ya., N.P.Vaghina, N.D.Voinovich. 2008. Diapause induction in Trichogramma embryophagum Htg. (Hymenoptera, Trichogrammatidae): the dynamics of thermosensitivity. J. Appl. Entomol. 132: 502-509

Invanov M.F., Reznik S.Ya. 2008. Photoperiodic regulation of the diapause of the progeny in Trichogramma embryophagum Htg. (Hymenoptera, Trichogrammatidae): dynamics of sensitivity to photoperiod at the immature stages of maternal females.   Entomol. Obozr.  87 (2):  255-264 (English translation: Entomol. Rev., in press).

Reznik S.Ya., Kats T.S. 2004. Exogenous and endogenous factors inducing diapause in Trichogramma principium (Hymenoptera, Trichogrammatidae). Entomol. Obozr.  83 (4):  776-786.

Vinogradova E.B., Reznik S.Ya., Erlykova N.N. 2002. Endogenous factors in diapause regulation in species with different types of seasonal development. Insect Photoperiodism and Rhythmicity (Abstracts of 2nd Czech-Japanese Seminar on Entomology, Ceske Budejovice, Czech Republic, August 5-8, 202). P. 23.

Voinovich N.D., Umarova T.Ya, Kats T.S., Reznik S.Ya. 2002. Variation of the photoperiodic reaction in Trichogramma embryophagum (Hymenoptera, Trichogrammatidae). Entomol. Obozr.  82 (2):  264-269.

Voinovich N.D., Umarova T.Ya, Kats T.S., Reznik S.Ya. 2002. The role of endogenic factors in diapause induction in Trichogramma embryophagum (Hymenoptera, Trichogrammatidae). Zool. Zhurn.  81:  584-588.

Reznik S.Ya, Kats T.S., Umarova T.Ya. & Voinovich N.D. 2002. Maternal age and endogenous variation in maternal influence on photoperiodic response in the progeny diapause in Trichogramma embryophagum (Hymenoptera, Trichogrammatidae). Europ. J. Entomol. 99: 175-181.

Zaslavski V.A. & Umarova T.Ya. 1990. Environmental and endogenous control of diapause in Trichogramma species. Entomophaga 35:23-29.

Zaslavski V.A. & Mai Fu Kvi, Umarova T.Ya. 1989. Physiological reactions controlling Trichogramma growth and reproduction. Zashchita Rastenii 1: 24-26 (in Russian).

Zaslavski V.A. & Umarova T.Ya. 1984. Photoperiodic and temperature control of diapause in Trichogramma evanescens Westw. Entomol. Obozr. 60: 721-731 (in Russian).

Mai Fu Kvi & Zaslavski V.A. 1983. Photoperiodic and temperature reactions in Trichogramma euproctidis. Zool. Zhurn. 62: 1676-1680 (in Russian).

Zaslavski V.A. & Mai Fu Kvi. 1982. Experimental study of some factors affecting fecundity in Trichogramma Westw. Entomol. Obozr. 61: 724-737 (in Russian).