Chironomus mongolefeus Sasa & Suzuki 1997AdultGround color of scutum yellow, vittae largely dark brown, margins black; scultellum yellow; postnotum black. Femora largely yellow with diistal portion brown; tibiae brown over basal 1/3 anddistal portion but yellow in middle; tarsi I yellow for basal half, then brown; other tarsal segments brown. Abdominal tergites largely brown, II-VIII with a yellow band along caudal margin. Head: Frontal tubercles prominent (below). AR 3.61-3.94. Clypeal setae 20-40. Thoracic setae: Acrostichal 14-18; Dorsolateral 22-34; Prealar 6-9; Scutellar 25-34. LR1 1.37-1.48; LR2 0.53-0.55; LR3 0.70-0.71. BR1 1.4-2.1; BR2 1.8-5.3; BR3 1.8-4.0. Frontal tubercles and hypopygium of C. mongolefeus from Sasa and Suzuki (1997) TIX shown with 8 setae. Anal point stout; Superior volsella closest to S type(f) of Strenzke (1959); Inferior volsella, with recurved setae over distal half, reaching just to end of anal point; gonostylus moderately swollen and narrowing markedly at tip; with 7+1 setae at end. Pupa, Larva and Cytology: Not described Found: Mongolia - (Type locality) Karakorum. |