Larva a salinarius type. Very dark gular region, dark frontoclypeus.
Cytology
: 4 pairs of chromosomes with the thummi arm combination: AB, CD, EF,
G. Centromeres
heterochromatinized. Nucleolus terminal on arm G and proximal on arm
D. No polymorphism
known.
Arm A: 1 - 2c, 10 - 12, 3 - 2d, 9 - 4, 13 - 19
i.e. as holomelas, cucini,
major,
etc.
Arm D: 1 - 3, 11 - 18d, 7 - 4, 10 - 8, 18e - 24
ie. as in longistylus, tardus, cucini,
etc.
Arm E: 1 - 3e, 5 - 10b, 4 - 3f, 10 - 13
i.e. as
cingulatus
& cucini.
Arm F: 1 - 10, 17 - 11, 18 - 23
i.e. as in cucini, major
& tenuistylus.
Found: Alaska - Pond S, Barrow; Loon Pond, Prudhoe Bay.
Tundra ponds.
Description of larva by Butler (1982) and cytology given by Wülker & Butler (1983).