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Species Ectemnius maculosus

Square-headed Wasp - Ectemnius maculosus - male Lestica - Ectemnius maculosus - male Wasp - Ectemnius maculosus 9003122 Crabronid - Ectemnius maculosus wasp with syrphid fly prey - Ectemnius maculosus - female Crabronidae, head - Ectemnius maculosus - female Square-headed Wasps (Crabroninae) » Crabronini » Crabronina - Ectemnius maculosus - male Ectemnius cephalotes ? - Ectemnius maculosus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Ants, Bees and Stinging Wasps)
No Taxon (Apoid Wasps (Apoidea)- traditional Sphecidae)
Family Crabronidae
Subfamily Crabroninae (Square-headed Wasps)
Tribe Crabronini
Subtribe Crabronina
Genus Ectemnius
No Taxon (Subgenus Metacrabro)
Species maculosus (Ectemnius maculosus)
Synonyms and other taxonomic changes
Crabro maculatus
Explanation of Names
Author: Gmelin, 1790
10 mm.
"Male of this species quite distinctive because of the narrowing of the head behind the eyes." -- Matthias Buck
"Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Ontario, Quebec. United States east of 100th meridian (Bohart and Menke 1976)." (
Larvae feed on flies supplied by adults. Adults visit flowers for nectar.
Internet References