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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
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Species Tachytes distinctus

Square-headed Wasp - Tachytes distinctus - male Orange and brown wasp - Tachytes distinctus - female Oakland raider wasp - Tachytes distinctus - male bee on white sweetclover - Tachytes distinctus - male Family Crabronidae-ID please - Tachytes distinctus - male The Six Wasp Special - #2 of 6 - Tachytes distinctus - female Black wasp - Tachytes distinctus - male Tachytes - Tachytes distinctus - female
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
Species distinctus (Tachytes distinctus)
Explanation of Names
Tachytes distinctus Smith 1856
Size
large-sized species(1)
Identification
Hind femora have no patches of long hairs on ventral side.
Hind femora are mostly red or mostly black, depending on variety/gender. (males have mostly black)
Hind tibiae are mostly red or all-red.
Mandibles are light-colored.
Body all-dark.
Wings are orange colored with darker tips.
Scutum has silvery or golden reflective pubescence along the edges.
♀ three pale abdominal bands and a dark coppery brown pygidial plate(1)
♂ four pale abdominal bands and a bright silvery pygidial plate(1)
Range
transcontinental, Canada to Costa Rica(2)
See Also
In southern Florida, females can only be separated from Tachytes seminole, with a clear view of the pygidial plate. (dorsal surface on the apex of the abdomen) (1)
The males may be separated by the number of pale abdominal bands. The males of T. seminole have three pale bands.
Here is an example image of a female from Florida: ♀ dark coppery brown pygidial plate (vs. bright coppery in T. seminole)