Throughout the last century, the multicolored Asian lady beetle, Harmonia axyridis (Pallas)
has been studied quite extensively, with topics ranging from genetics and evolution to …

The dominant and ancestral mode of sex determination in the Hymenoptera is
arrhenotokous parthenogenesis, in which diploid females develop from fertilized eggs and …

Biological control provides an environmentally safe, cost-effective and energyefficient
means of pest control, either alone or as a component of integrated pest management. The …

Feeding on Non-Prey Resources by Natural Enemies Moshe Coll Reports on the
consumption of non-prey food sources, particularly plant materials, by predators and …

Boivin, G., Hance, T. and Brodeur, J. 2012. Aphid parasitoids in biological control. Can. J.
Plant Sci. 92: 1–12. Aphids are important pests of most cultivated crops worldwide. Among …

The host specificity of insect parasitoids and herbivores is thought to be shaped by a suite of
traits that mediate host acceptance and host suitability. We conducted laboratory …

The multicolored Asian lady beetle, Harmonia axyridis (Pallas), native to Asia, has recently
been detected in South America after successfully invading North America and Europe. This …

Use of selective insecticides, such as spinosad and indoxacarb, that are more toxic to
lepidopteran pests than to Harmonia axyridis (Pallas), could facilitate conservation of this …

We studied the tritrophic interaction: wheat, greenbug Schizaphis graminum (Rondani) and
its key natural enemies, Chrysoperla externa (Hagen) and Aphidius colemani Viereck, in …

The nectar provision hypothesis posits that biological control by parasitoids can be
enhanced by providing supplemental nectar in the vicinity of cropland. The rationale for this …