Larva a medium sized (about 13.5 - 15 mm) plumosus-type; ventral tubules well developed, posterior pair longer (ant 1.68 - 1.72 mm; post 2.08 - 2.16 cm). Gular region pale or only slightly darkened, frontoclypeus pale. Mentum (Fig. c) of type I, and c2 teeth moderately seperated from the c1 tooth, i.e. type II, the whole central grouping possibly being lower than the arc of the other teeth; 4th laterals reduced almost to level of 5th latwerals. Ventromentum (Fig. e) with about 41-42 striae. Pecten epipharyngis (Fig. a) with about 15 broad teeth. Antenna (Fig. b) with relatively long and narrow basal segment, about 3.5 - 4 times as long as wide; AR about 1.95 - 2.15; antennal segments 134 : 35 : 10 : 14 : 7 micron. Mandible (Fig. d) of type III, with about 15-17 striae (Fig. e). Anal tubules relatively long, with a slight constriction in the middle (abt 372 x 140 micron).
Cytology: 4 pairs of chromosomes with the pseudothummi arm combination AE, BF, CD, G. All
chromosomes closely paired.
Arm G with an almost terminal nucleolus, with 2 Balbiani
rings approximately equally spaced in the other half of the length of the chromosome. No nucleoli in other chromosomes.
Arm A:
Arm B: Bulb and some distal dark bands about 1/3 from end of arm.
Arm E: approx. 1 - 2e, 9a - 10b, 3a-e, 8 - 3f, 10c - 13 i.e as anonymus
Click here for the polytene chromosomes
Found: Kansas - Mill Creek, near Craig, Johnson Co.