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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

Genus Ectemnius

Classification · Explanation of Names · Numbers · Identification · Range · Life Cycle · Internet References · Works Cited
Which wasp, please? - Ectemnius - female Ectemnius...maculosus? - Ectemnius maculosus Unknown Bee/Wasp - Ectemnius Wasp with fly - Ectemnius maculosus - female Crabronidae, ventral - Ectemnius rufifemur Small Vespidae - Ectemnius Wasp36 - Ectemnius maculosus Bee or Wasp - Ectemnius
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
Explanation of Names
Ectemnius Dahlbom 1845
Numbers
27 spp. in our area(1), >180 total(2)
Identification
Distinguishing Ectemnius from similar genera (Crabro, Crossecerus, and Lestica)(3):
Recurrent vein ending in distal third of submarginal cell
Ocelli forming a low triangle
Lacking orbital foveae (sharp groove along inner eye margin)
Upper frons evenly punctate
key to spp. in (3)
Range
Widespread in the US.
Life Cycle
most nest in dead/rotten wood (logs, stumps) or hollow stems and stock the nests with adult flies (Grissel 2007)
Internet References
GBIF
Works Cited
1.Ascher J.S., Pickering J. (2017) Discover Life bee species guide and world checklist (Hymenoptera: Apoidea: Anthophila)
2.Pulawski W.J. (2003-) Catalog of Sphecidae sensu lato (Apoidea excluding Apidae)
3.A key to the species of Ectemnius in America north of Mexico with notes and description of a new species (Hymenoptera:Sphecidae)
Bohart R.M., Kimsey L.S. 1979. Proc. Entomol. Soc. Wash. 81: 486-498.
Contributed by Beatriz Moisset on 7 June, 2005 - 7:34pm
Additional contributions by Bbarnd, Aaron Schusteff, Vox Sciurorum, v belov, Nathaniel Green
Last updated 17 May, 2022 - 6:12pm

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