Synonyms and other taxonomic changes
Tachytes distinctus Smith, 1856
Tachytes distinctus bimini Krombein, 1953
♂ around 15mm (BG images)
♀ around 18mm (BG images)
Caution, many species might look similar to this one and key features need to be checked out, before placement.
Hind femora have no patches of long hairs on ventral side.
Hind femora are mostly red or mostly black, depending on the variety and also the gender. (males have mostly black)
Hind tibiae are mostly red or all-red.
Mandibles are light-colored.
Body is all-dark in both genders.
Wings are orange colored with darker tips.
Scutum has silvery or golden reflective pubescence along the edges.
♀ Females have three pale abdominal bands and a dark coppery brown pygidial plate. (1)
♂ Males have four pale abdominal bands and a bright silvery pygidial plate. (1)
This is one of the most widespread species in the genus. They may be sighted coast to coast in the U.S. and in some parts of Canada and Mexico, as well. (1)
In southern Florida, females can only be separated from the closest look-alike species, 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
BOLD Systems website - species page for DNA verified specimens of Tachytes distinctus