New Nearctic species of the Psectrocladius limbatellus group (Diptera: Chironomidae)

Abstract

Psectrocladius (P.) sensilipes sp. n., P. (P.) subsensilis sp. n. and P. (P.) dubius keoweensis subsp. n. are described in all stages and both sexes; P. (P.) dubius dubius sp. n. described as male, pupa and larva; and the male of Nearctic P. (P.) limbatellus (Holmgren) described. Preliminary keys to males, females, pupae and larvae of the Psectrocladius limbatellus group are given.

Keywords:

• Chironomidae
• Psectrocladius limbatellus group
• new species
• keys

Acknowledgements

I thank Andrey Przhiboro for translating the key in Zelentsov (1985). I am grateful to Margareth P. McLean, Freshwater Institute, Winnipeg, for making most of the slide preparations and to Carolyn A. Galloway, Freshwater Institute, Winnipeg, for doing the drawings.