Species 5t Chironomus species 5t

In BOLD Bin: BOLD:AAJ3011

Adult:  Adult:

Male:  (Specimen from Greenland).  Wing lenght about 4.3 mm, anterior veins only slightly darkened.
Thorax largely black but probably a pale haltere.  Abdomen dark brown with narrow yellow band at posterior margin of tergites IV-VIII, terminalia dark; legs black or dark brown.

Female: (From photograph in BOLD) Wing length about 3.7 mm, anterior veins only slightly darkened.
Basic color a brownish yellow, with black thoracic vittae postnotum and sternopleuron, scutellum brown; abdomen brown with narrow yellowish band at posterior margin of tergites IV-VIII; legs with femurs yellow brown with dark knees, hind tibia also yellow brown, other segments missing.

Pupa, fourth instar larva and cytology: not known.

Found: Manitoba - 12 Km ESE Churchill (58.7541°N, 93.9974°W) (BOLD).
            Newfoundland and Labrador - Torngat Mountains National Park (58.45°N, 62.8°W) (BOLD).
          Also Greenland - Narsarsuaq (61.1511°N, 45.3977°W), Kujalleq (BOLD).

See also C. longistylus.

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Created: 25 July 2023
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Copyright © 2023, Jon Martin.