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Journal article
Determinants of parasitoid communities of willow-galling sawflies: habitat overrides physiology, host plant and space
Studies on the determinants of plant–herbivore and herbivore–parasitoid associations provide important insights into the origin and maintenance of global and local species richness. If parasitoids are specialists on herbivore niches rather than on herbivore taxa, then alternating escape of herbivores into novel niches and delayed resource tracking by parasitoids could...Nyman, Tommi ; Leppänen, Sanna ; Várkonyi, Gergely ; Shaw, Mark R ; Koivisto, Reijo …
enemy-free space, tritrophic food webs, vertical diversification effects, speciation, and community barcoding
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Journal article
Cotesia acerbiae sp. nov. (Hymenoptera: Braconidae, Microgastrinae), a gregarious parasitoid of Acerbia alpina (Quensel, 1802) (Lepidoptera: Erebidae, Arctiinae in Polar Ural, Russia
Cotesia acerbiae Shaw & Vikberg sp. nov. is described from a single large brood reared from a cocoon of the circumpolar moth Acerbia alpina (Quensel, 1802) collected in Polar Ural (Tjumen oblast). The means to distinguish it from other western Palaearctic Cotesia species are given.Shaw, Mark R ; Vikberg, Veli ; Malinen, Pekka
Phaeogenini, British Isles., Ichneumoninae, hosts, Lepidoptera, parasitoids, Oedicephalini, distribution, phenology, taxonomy, and Ichneumonidae