Adults of this species are in the collection of J.E. Sublette at the University of Minnesota.
Pupal spur with one large and perhaps two smaller spines.
Larva a medium sized salinarius type. Gular region darkened. Mentum relatively flat, centre tooth relatively broad with parallel sides, c2 teeth quite well separated (Type II); 4th laterals slightly reduced (essentially Type I). Ventromentum with about 45 striae. Pectin epipharyngis with about 13 teeth, an occasional one reduced in size. Antenna with basal segment about 3.6 times as long as broad; A2/A1 about 0.23, A4/A3 about 1.14.
Cytology: 3 pairs of chromosomes with a modified thummi arm combination AB, CD, GEF.
Arm G region unpaired with nucleolus near end of arm. Possibly a nucleolus also in the CD chromosome.
Click here for the polytene chromosomes
Found: Alaska - Harding Lake.