Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Aculeata - Ants, Bees and Stinging Wasps » Apoidea sans Anthophila – Apoid Wasps » Square-headed Wasps, Sand Wasps, and Allies (Crabronidae) » Square-headed Wasps (Crabroninae) » Crabronini » Crabronina » Ectemnius » Subgenus Metacrabro (Ectemnius Subgenus Metacrabro) » Ectemnius maculosus

Species Ectemnius maculosus

square-headed wasp - Ectemnius maculosus 9003122 Crabronid - Ectemnius maculosus wasp - Ectemnius maculosus wasp - Ectemnius maculosus - male Crabronidae, lateral - Ectemnius maculosus - female Ectemnius maculosus ? - Ectemnius maculosus - female Wasp - Ectemnius maculosus Crabroninae, dorsal - Ectemnius maculosus - female
Classification
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 (Apoidea sans Anthophila – Apoid Wasps)
Family Crabronidae (Square-headed Wasps, Sand Wasps, and Allies)
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
Ectemnius maculosus (Gmelin, 1790)
Size
10 mm.
Identification
"Male of this species quite distinctive because of the narrowing of the head behind the eyes." -- Matthias Buck
Range
"Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Ontario, Quebec. United States east of 100th meridian (Bohart and Menke 1976)." (naturewatch.ca)
Food
Larvae feed on flies supplied by adults. Adults visit flowers for nectar.
Internet References
GBIF
iNaturalist
Discover Life
Contributed by Hannah Nendick-Mason on 27 September, 2006 - 6:31pm
Additional contributions by Beatriz Moisset, Vox Sciurorum, Nathaniel Green
Last updated 28 March, 2021 - 11:05am

Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2024 Iowa State University, unless otherwise noted.

Bugguide is hosted by:

Plant Pathology, Entomology and Microbiology at Iowa State University logo