Larva a small to medium plumosus-type, ventral tubules about equal length. Gular region pale, frontoclypeus pale or slightly darkened. Mentum relatively pale with pointed teeth; c1 tooth long, narrow and tapering, c2 teeth very well developed about 1/3 height of centre tooth (type III).
Cytology: 4 pairs of chromosomes with the
pseudothummi arm combination: AE, BF, CD, G.
Arm G at least partly paired, nucleolus about the centre and
generally 2 Balbiani
rings in the paired section. No nucleoli in the long
chromosomes. Polymorphic in arms B and D.
Arm B: Puff proximal in arm.
Found: Ontario – Bear Creek, Carlsbad Springs.
Pools in creek.