28o NEW YORK STATE MUSEUM 



Chironomus nephoterus Mitchell, '08 



The foretarsi of the male without long hairs. From Old Forge, 

 N. Y. 



ChironornuSi brachialis Coquillett 



This species varies greatly in the extent of coloring of wings and 

 legs. From Old Forge, N. Y. 



Chironomus frequens Johannsen 



The foretarsi of the male sparsely bearded. From Old Forge, 

 N.Y. 



Chironomus lineatus Say 



In this species the radius, particularly the basal section, and the 

 cross vein are more deeply yellow tinted than the other veins, though 

 the latter can not be called clouded. The foremetatarsus is over 

 one third longer than the tibia. The black longitudinal line on the 

 center of the median thoracic stripe is conspicuous. From Old 

 Forge, N. Y. 



Chironomus hirtipes Mitchell (1908) 



Female. Head yellowish, vertex yellowish to brownish, eye 

 margin and occiput paler, the latter with yellowish brown hairs pro- 

 jecting forward overhanging the vertex; antennae, including the 

 hairs and the basal joint yellow; proboscis and palpi brown. 

 Thorax pale yellow, in certain lights with a whitish sheen, especially 

 conspicuous on the humeri ; dorsum with three pale brownish longi- 

 tudinal stripes, the middle one divided ; some tiny black specks and 

 streaks upon the lateral margin of the dorsal stripe in one specimen ; 

 pleura with a black spot over each coxa, the anterior one largest ; 

 sternum brown; scutellum yellow, brownish along the anterior 

 margin, metanotum yellow with a brown anterior margin which is 

 divided by a yellow median line. Abdomen brown, the segments 

 with broad whitish posterior fasciae ; abdominal hairs dense and 

 long, those on basal half of the segment are brown tipped with yel- 

 low, those on the apical half are wholly yellow. Coxae, trochanters, 

 femora and tibiae brown, tarsi conspicuously white, knees of middle 

 and hind legs yellow. Hairs on legs dense, brown in color, except 

 on the tarsi where they are short, sparse and white. Femora and 

 tibiae unusually stout ; pulvilli and empodium well developed ; fore- 

 metatarsus nearly twice as long as the tibia. Wings somewhat 

 smoky, veins brown, base of the wing and also base of the veins 



