''Stenamma expolitum'' is a species of ant native to the wet forests of
Costa Rica
Costa Rica (, ; ; literally "Rich Coast"), officially the Republic of Costa Rica ( es, República de Costa Rica), is a country in the Central American region of North America, bordered by Nicaragua to the north, the Caribbean Sea to the no ...
at elevations of .
Description
The species have black legs and a dorsal face which have a transverse
rugae
In anatomy, rugae are a series of ridges produced by folding of the wall of an organ. Most commonly rugae refers to the gastric rugae of the internal surface of the stomach.
Function
A purpose of the gastric rugae is to allow for expansion of ...
. It
propodeum
The propodeum or propodium is the first abdominal segment in Apocrita Hymenoptera (wasps, bees and ants). It is fused with the thorax to form the mesosoma. It is a single large sclerite, not subdivided, and bears a pair of spiracles. It is strongl ...
is identical in brightness to
promesonotum.
[
]
Habitat
The species is found on clay banks, along the streams, and on hillsides.[
]
References
External links
*
Myrmicinae
Insects described in 1962
Hymenoptera of North America
{{myrmicinae-stub