Pristaulacus flavicrurus
(Bradley, 1901)
Pristaulacus flavicrurus is a of aulacid in the Aulacidae, a group of wasps that target wood-boring larvae. Like other members of the Pristaulacus, this species is associated with forested where its occur. It is found in North America, with records from Canada including Ontario. The species was described by Bradley in 1901.
Pronunciation
How to pronounce Pristaulacus flavicrurus: //prɪstɔːˈlækəs flævɪˈkruːrəs//
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Identification
Members of the Pristaulacus can be distinguished from superficially similar ichneumon wasps by several key features: the attaches high on the back of the rather than low at the base; there is a short "neck" behind the ; and the ovipositor is downcurved at the tip and somewhat sinuous rather than straight. The specific epithet "flavicrurus" (meaning "yellow-legged") may refer to leg coloration, though this requires verification against . Females are typically larger than males. -level identification within Pristaulacus requires examination of detailed morphological characters and reference to taxonomic keys.
Distribution
North America; recorded from Canada including Ontario.
Ecological Role
As a of wood-boring beetles, this contributes to natural control of in forest .
Similar Taxa
- Pristaulacus fasciatusSimilar size and preferences; P. fasciatus is found from eastern Texas and Nebraska eastward and is associated with logs of Pin Oak and other hardwoods.
- Pristaulacus rufitarsisOccurs in western North America including Colorado; similar and ecological role as of wood-boring beetles.
- Aulacus spp.The other in Aulacidae; are typically smaller than Pristaulacus and may show differences in wing venation and abdominal attachment.