MAY FLIES AND MIDGES OF NEW YORK 205 



times as long as the tibia, but is twice as long as the second tarsal 

 joint; the remaining joints gradually decreasing in length; legs 

 slender and bare. 



Female, Dorsuim of thorax yellow with three black stripes. 

 Abdomen rather stout, pubescent. In other respects like the male. 

 Translation. ? Greenland. (Lundbeck.) 



11. Chironomus brunneipennis n. sp. 



Resembles a 1 b i m a n u s JMeigen but ditfers in being slightly 

 larger, in having the knob of the halteres fuscous, and in having 

 the fore metatarsus nearlj- twice as long as its tibia. 



Female. Shining black; legs jiartly brown. Length 3.5 mm. 

 Head black, proboscis, palpi and antennae fuscous. Thorax in- 

 cluding scutellum, metanotum, pleura and pectus shining black; 

 humeri fuscous. Abdomen black, subopaque. Legs brownish; 

 coxae yellowish, femora brown, fore pair yellowish on basal half; 

 tibiae yellowish brown ; tarsi brown excepting basal half or two 

 thirds of the metatarsi which are yellowish or brownish yellow. 

 Wings hyaline, very slightly smoky; anterior veins and the cross- 

 vein brown, posterior veins yellow. Halteres fuscous, stem yel- 

 lowish. Ithaca, N. Y. 



12. Chironomus caliginosus n. sp, 

 (Pl,22, fig.5) 



Female. Fuscous; legs partly brown; wings smoky. Length 

 6 mm. 



Head, including palpi and proboscis fuscous. Antennae ferru- 

 ginous, the basal joint and the incisures yellow, apical joint 

 darker, l^orsum of thorax yellow, gray pollinose with three dull 

 black strij)es; pleura, sternum, metanotum, and scutellum fuscous. 

 Abdomen fuscous with yellow hairs; posterior margin of segments 

 very slightly grayish; when viewed obliquely from behind the 

 apical half of each segment appears gray pollinose. Fore coxae 

 pale brown, the others fuscous; femora brown; fore femora with 

 basal two thirds and middle femora Avith basal one half yellow; 

 all tibiae brown; tarsi yellow, tips of the joints brown; fore meta- 

 tarsus 1.5 times as long as its tibia. Wings smoky, especially 

 along the course of the veins; veins reddish brown including 

 crossvein. Halteres white, with end of knob brown. Two 8pe*ci- 

 mens. Ithaca, N. Y. 



13. Chironomus niveipennis Fabricius 



1805 Chironomus Fabr. Syst. Antl. 42, 21 



1818 Chironomus Meigen. Syst. Besohreib. 1 : 51, 73 



1850 Oliironomus Zett. Dipt Scand. 9 : 3566, 92 



