Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Fall Fund Drive


Genus Tachytes

black and white wasp; prey of spider - Tachytes silver and black bee or wasp - Tachytes - male Handsome! - Tachytes distinctus - female Wasp - Tachytes guatemalensis - female The Six Wasp Special - #2 of 6 - Tachytes distinctus - female Square-headed Wasp - Tachytes guatemalensis - male Tachytes but species uncertain. - Tachytes guatemalensis - female unknown wasp? - Tachytes
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'
34 spp. in our area(1), ~300 worldwide(2)
7-19 mm(3)
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: ♂
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 (BOLDSYSTEMS website)
~ Hilltoping behavior: Alcock (2007)