Adult not known.
Larva: A medium sized melanotus-type larva (length (2) 12.7-13.5 mm), ventral tubules well developed and about equal in length (ant. 1.24-1.56; post 1.28-1.52.); lateral tubules about 156-160 Μ. Anal tubules 2-4 times as long as wide. Gular regiondark, frontoclypeus pale. Mentum with 4th laterals reduced to about level of 5th lateral (type II); c1 tooth narrow and tall, c2 teeth separated (type III). Ventromentum with about 31 - 34 striae. Pectin epipharyngis with about 14 - 16 mostly even sized, sharp teeth, but distal teeth smaller. Mandible with 3rd inner tooth pale and almost completely fused (type I). Antenna with basal segment relatively long and narrow, about 3.6 times as long as wide; AR about 2.1; A2/A1 about 0.19 - 0.21; A4/A3 about 1.5 - 1.7.
Cytology: 4 pairs of chromosomes with
thummi-cytocomplex arm combination, AB, CD, EF, G.
Arm G often largely unpaired and with a virtually terminal nucleolus
and a BR separated by a further 7-10 bands.
Found: Kansas -
Mill Creek, nr. Craig, Kansas.
Louisiana - Bar ditch, Many, Sabine Parish.