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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

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington

TaxonomyBrowse
Info
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Genus Tachytes

Square-headed Wasp - Tachytes - male Disappearing Wasp - Tachytes - female Tachytes Wasp? - Tachytes distinctus - female Bee or Wasp? - Tachytes - male wasp - Tachytes Square-headed Wasp - Tachytes - female Wasp? - Tachytes guatemalensis - male Hymenopteran (I believe-could be mimic) - Tachytes - male
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 (Apoid Wasps (Apoidea)- traditional Sphecidae)
Family Crabronidae
Subfamily Crabroninae (Square-headed Wasps)
Tribe Larrini
Subtribe Gastrosericina
Genus Tachytes
Explanation of Names
Tachytes Panzer 1806
'fast one'
Numbers
34 spp. in our area(1), ~300 worldwide(2)
Size
7-19 mm(3)
Identification
Antennae, black. Legs and wings, tawny color. Short, golden hairs on the thorax and head. Determining sex may be critical to identification.
Keying info to be found here:

Some species have very dark eyes:

Some species have males with slightly modified antennae segments:
Basal: ♂ Apical: ♂
Range
worldwide
Food
Grasshoppers, katydids
Life Cycle
Nests in sand
See Also
Some other green-eyed wasps, e.g. Larra, look similar.
Many Tachysphex spp. also look similar, but are generally smaller, with a pointy abdomen, and no pygidial plate.
Internet References
DNA verified specimens (BOLD Systems website)
Hilltoping behavior: Alcock (2007)