Ectemnius maculosus
(Gmelin, 1790)
square-headed wasp
Ectemnius maculosus is a of square-headed wasp in the Crabronidae. Its native range encompasses much of the eastern United States and southeasternmost Canada. The species has been reported from outside its native range in North America, Europe, and northern Asia, though these may represent introductions. Like other members of the Ectemnius, this species is a solitary that provisions nests with prey for its larvae.
Pronunciation
How to pronounce Ectemnius maculosus: /ɛkˈtɛm.ni.əs ˌmæk.jʊˈloʊ.səs/
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Images
Distribution
Native to eastern United States and southeasternmost Canada. Reported from Europe and northern Asia (excluding China), where it may be . GBIF records confirm presence in Europe & Northern Asia and North America.
Similar Taxa
- Anacrabro ocellatusBoth are small black and yellow in Crabronidae with similar coloration. Ectemnius maculosus can be distinguished by the underside of the , which is not strongly concave as in Anacrabro.
- Ectemnius spp.Other members of the Ectemnius share the square-headed and general body plan; -level identification requires examination of specific morphological characters not detailed in available sources.
- Crabro spp.Members of the related Crabro are also fly-hunting crabronid with similar overall appearance; they belong to the same tribe Crabronini.