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Upcoming Events

Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week photos of insects and people. Here's how to add your images.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama


Subfamily Pemphredoninae - Aphid Wasps

Wasp ID Request - Pemphredon wasp - Pemphredon aphid wasp? - Psen monticola square-headed black wasp - Pemphredon tiny Colorado wasp with large mandibles Crabronidae Aphid Wasp Genus Pemphredon  - Pemphredon Pseneo punctatus - male Wasp
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 Pemphredoninae (Aphid Wasps)
>160 spp. in 20 genera of 2 tribes in our area(1), >1070 spp. in 40 genera of 4 tribes worldwide(2)
Usually black. Middle tibia with one apical spur.
Larvae feed on paralyzed aphids provided by the mother.
Life Cycle
They nest in hollow tubes, mass provision with paralyzed aphids. Build partitions between cells.
Solitary, predatory wasps.
Internet References