Synonyms and other taxonomic changes
Orthosoma brunneum (
Forster 1771)
Numbers
A single species in our area
(1)Identification
Light brown, sides of elytra parallel. 11-segmented antennae, rounded, never flattened. Since this is the only North American species in its genus, this key is repeated from genus guide page:
Similar to Derobrachus, but can be differentiated as follows;
Antennomere 3 distinctly longer than 1 and 2 combined, about as long as 4 and 5 together (left) .........
Derobrachus
Antennomere 3 equal in length to 1 and 2, shorter than 4 and 5 (right) ............ Orthosoma
Note: Antennomere 2 is greatly reduced in both genera:
Note also that antennomeres are
not fimbriate in
Orthosoma, but are so in
Derobrachus.
Food
Adults come to bait, so presumably take some rotting fruit, sap?
Life Cycle
Breeds in poles, roots(?) in contact with wet ground.
Contributed by
Cotinis on 19 July, 2004 - 4:14pm
Additional contributions by
Mike Boone,
v belovLast updated 7 December, 2011 - 8:22am
