Mesostenus thoracicus Cresson, 1864 |
Synonyms: Mesostenus erythrogaster |
Mesostenus thoracicus is widely distributed in North America mainly east of the Rocky Mountains. Males of this species have a white band on the antennae and white hind tarsi. M. thoracicus is external parasite of pupae of moths from the families Crambidae and Pyralidae.