(BG) Brown Prionid (Orthosoma brunneum) - antennomere (antenna segment) 3 as long as 1 and 2 together, shorter than 4 and 5 together

2013-7-9 Newark Oaks, DE
http://bugguide.net/node/view/1059258
comparison of antennomeres (one segment of an antenna)
Orthosoma: http://bugguide.net/node/view/431702
and
Derobrachus: http://bugguide.net/node/view/20503