North American Chironomus: C. species 5x

Species 5x. C. species 5x of Hudson & Namayandeh.

An adult male collected by P.L. Hudson and A. Namayandeh does not easily fit any currently known species, so it is tentatively entered as a new species:

Adult:

Male - A dark species; head and thorax dark brown, abdomen slightly lighter but uniformly colored. Total length 5.3 mm. Wing length 3.56 mm, width 0.77 mm. with about 8 setae in squamal fringe.
Fore LR 1.43.
About 8 setae in individual pale spots on TIX.

Hypopygium of male (from Hudson & Namayandeh)

Superior volsella closest to D(e) type of Strenzke (1959), reaching only about halfway along the length of the Inferior volsella which has simple setae, but restricted to the distal end; gonostylus moderately swollen, reducing over posterior third and with 5 setae at the tip. Anal point about the same length as the IVo and could be narrowed at the base.

Pupa, Larva and Cytology: Not known.

Found: Alaska - Juneau Peterson Creek at Salt Chuck.

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