Length: bug in photo 11.2 mm
Genus Members of subfamily Alydinae feed on legumes, and Neomegalotomus parvus is a pest of Soybeans. The species is found from Mexico through southern Brazil. Females have the corium readily visible dorsally, and the membrane narrowly rounded at the apex. Males have the corium concealed and the apex of the membrane broadly rounded.
Another Neomegalotomus species, this one from French Guiana, is also pictured on this site.
Photo location: Novo Airão, Amazonas state, Brazil.
American Insects site