Türkiye'nin Megachilidae (Hymenoptera: Apoidea) türleri V.
Hikmet ÖZBEK, Gijs Van Der ZANDEN
The compasition of honeydew and its measurement techniques
Nihal (aydin) ÖZDER, Neşet KILINÇER
Türkiye'nin Eumolpinae (Coleoptera, Chrysomelidae) türleri
İrfan ASLAN, Blagoy A. GRUEV, Hikmet ÖZBEK
The effect of superparasitism on development of Pimpla turtonellae (L.) (Hymenoptera, Ichneumonidae)
A. Hüseyin GÖÇMEN, İ. Halil ELEKÇİOĞLU
Variations in aedeagus of Diplocolenus melichari Dlabola, 1950 (Homoptera, Cicadellidae)