ooencyrtus fecundus ferriere & voegele (hymenoptera: encyrtidae) is one of the gregarious egg parasitoids of sunn pest that can superparasitize the host. superparasitism has inverse effects on fitness, reproductive potential, competition ability and adult size of gregarious parasitoids. in this study, the effects of superparasitism and its intensity (four levels including singleton, twin, tripl...

the greenhouse whitefly, trialeurodes vaporariorum westwood (hem.: aleyrodidae) is a polyphagous and key pest that causes damaging to wide range of crops. the parasitoid wasp, eretmocerus delhiensis mani (hym.: aphelinidae) is a syn-ovigenic and thelytokous species that parasitizing greenhouse whitefly nymphs. in order to evaluation parasitoid wasp, eretmocerus delhiensis mani (hym.: aphelinida...

two experiments were conducted to evaluate the nutritional value of purslane powder and its effects on performance, egg quality and reproductive system parameters of laying hens. one hundred and twenty laying hens (leghorn, hy-line w-36) were used in a completely randomized design with four treatments and five replicates. hens received diet supplemented with different levels of purslane powder ...

The red-backed shrike (Lanius collurio L.) is a bird living in human-altered agricultural areas that are managed by extensive farming techniques. This passerine species has declined significantly in Western Europe over the last 30–40 years. The development of efficient species-specific conservation strategies relies on fine-grained information about the ecological resources and environmental co...