Distribution
''P. perturbator'' is widespread, from Great Britain and Ireland into central and northern Europe and Asia eastwards to Japan.Behavior
Little is known about the nests of ''P. perturbator'' but other ''Priocnemis'' species generally use preexisting cavities in which they may excavate several cells. ''P. perturbator'' is univoltine and the flight period is from May to September. As stated in the introduction, many of the observations of ''P. perturbator'' collecting prey refer to the invalid taxon ''P. fuscus,'' but this species is thought to take larger spiders of the families Lycosidae and Gnaphosidae. Females have been seen on the ground, apparently searching for prey. The spider ''Trochosa terricola'' is a known prey item. This species is one of a handful of relatively large spider wasps, including ''Priocnemis susterai'' and ''Anoplius viaticus'' which overwinter as adults in Britain, emerging in the following spring. ''Priocnemis perturbator,'' which is reasonably common and has long antennae, can often be seen nectaring on wood spurge, dandelion, blackthorn, hawthorn and willow.Habitat
This species can be found in open woodland, but and various other habitats, so long as they are not waterlogged.References:
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