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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 » Subgenus Clytochrysus (Ectemnius Subgenus Clytochrysus) » Ectemnius lapidarius
Photo#128282
Square-headed Wasp ID Request - Ectemnius lapidarius - male
Copyright © 2007 Thomas Wilson of Armistead Gardens in Baltimore City

Square-headed Wasp ID Request - Ectemnius lapidarius - Male
My back garden, Baltimore City County, Maryland, USA
June 27, 2007
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Contributed by Thomas Wilson of Armistead Gardens in Baltimore City on 18 July, 2007 - 12:19pm
Last updated 19 July, 2007 - 2:05pm

Ectemnius lapidarius, male (MD)
Note the two small ventral projections on the basal flagellomere of the male.
… Matthias Buck, 19 July, 2007 - 8:03am login or register to post comments

Ectemnius sp.
Most likely this is a species of Ectemnius.
… Eric R. Eaton, 18 July, 2007 - 12:31pm login or register to post comments

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