Diplazon
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Diplazon pectoratorius
Diplazon pectoratorius is a species of ichneumon wasp in the family Ichneumonidae. It belongs to the genus Diplazon, a group of parasitoid wasps that target hoverfly (Syrphidae) larvae. The species has been recorded in northern Europe and northeastern North America. As with other Diplazon species, it likely functions as a specialist parasitoid of aphidophagous hoverfly larvae.