Data on the bionomics of Dryudella stigma (Panzer, 1809) in Poland are presented. The larva is described for first time a European , and second world with only D. immigrans before. egg stage lasts 2–3 days, larval 11–14 days. praepupal longest overwinters cocoon from mid-July to end May. female provisions an average seven bug nymphs per cell, mainly Aelia acuminata (Linnaeus, 1758) (Pentatomida...

Svejgaard A, Ryder LP (1¢)76): Interaction of HLA nmle-cules with non-immunological ligargls as an exp~ of HLA and disease. Lancet ii:547-549. To the Editor: In their recent overview, "'Benzodiazepines and Ca:atonia," Menza and Harris (1989) describe numerous theories regarding the response of catatonic symptoms to benzodi~zepines. Among these, they state that, "[Llow doses of GABA agonists red...

The mean width (n = 5) of the cephalic capsule instar of Alphitobius diaperinus was determined. The larvae were reared at 27 degrees C (+/- 0.1 degrees C). The result showed that A. diaperinus has eight larval instars. The head capsule of the 1st instar larvae measured x = 0.228 (SD = 0.0192) and the last instar larval measured x = 1.339 (SD = 0.0436). The developmental rate, determined by Dyar...

Stored-product commodities are attacked by numerous insect species. The adulticidal effects of entomopathogenic nematodes (EPNs) on grains remain uninvestigated. Thus, in the current study, seven doses EPNs Heterorhabditis bacteriophora Poinar (Rhabditida: Heterorhabditidae), Steinernema carpocapsae (Weiser) Steinernematidae), and feltiae (Filipjev) Steinernematidae) were inoculated wheat kerne...

Abstract Background The Conopidae are an interesting family of small- to large-sized endoparasitic flies, commonly known as thick-headed flies. These flies have been proposed potential biological control agents invasive social wasps (subfamilies: Polistinae and Vespinae, family: Vespidae). Results All Algerian (family Conopidae) listed in the present study. Four subfamilies, nine genera 23 spec...

Morphological, molecular-genetic and breeding data were collected to investigate the species status of the Asian palm weevils, Rhynchophorus ferrugineus (Olivier) and R. vulneratus (Panzer) (Coleoptera: Curculionidae). These weevils are distinguished by characteristic colouring of the pronota and elytra, but naturally occurring colour intermorphs were observed. Contrary to the literature, quant...