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