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 iblack stripes. 

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

 Translation. ? Greenland. (Lundbeck.) 



'"".'-.-- ' * 



11. Chironomus brunneipennis n. sp. 



Resembles albimanus Meigen but differs in 'being slightly 

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

 the fore metatarsus nearly twice as long as its tibia. 



Female. 'Shining black; legs partly 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 Wack, 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. 

 (P1.22, flg.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. Dorsum of thorax yellow, gray pollinose with three dull 

 black stripes; 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 with 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 speci- 

 mens. Ithaca, N. Y. 



13. Chironomus niveipennis Fabricius 



1805 Chironomus Fabr. Syst Antl. 42, 21 



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



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



