MAY FLIES AND MIDGES OF NEW YORK 127 



ee Thorax and pleura with three wide dull dark brown or black 

 stripes ; abdomen brown, each segment with a yellowish pos- 

 terior margin ; length 2.5 mm. ; female 



11. a d u m b r a t u s n. sp. 

 CO Fore femur black, excepting the immediate base 



d Middle femora yellow ; abdomen shining black ; female, length 



3.3 mm 12. p i n g u i s 



dci All femora black with white bases ; thorax black ; pleura ^with 

 upper half white ; female abdomen black ; male abdomen white 

 and black 13. scapularis 



1. Tanypus (Procladius?) tiirpis Zetterstedt 



1888 Chironomus Zett Ins. Lappon, 811 

 1850 Tanypus Zett. Dipt. Scand. IX. 3596 



Dusky cinereous, opaque, dorsum of thorax with three black 

 stripes; antennae brown; wings and halteres white, the crossvein 

 fuscous; legs brown; the fore tarsus of the male short pubescent, 

 its metatarsus about one sixth shorter than the tibia. Length of 

 male 5 mm; female 4 mm. 



Male and female. Head dark. Antennae of the male brown, 

 paler at the tip; that of the female yellow with a brown apex. 

 Thorax cinereous, with three rather wide blackish stripes, the 

 median one aibbreviated posteriorly and continued by a fine dark 

 line to the cinereous scutellum; metathorax blackish. 



Abdomen black, that of the male slender, pilose, the last three 

 segments with little wider pale margins, the caudal append- 

 ages small, slender, and incurved; in the female the abdomen 

 is a little stouter and pubescent. Wings white, bare, the anterior 

 veins subtestaceous, the remaining veins slender and white, the 

 oblique K-M crossvein subfuscous ; the perpendicular M-Cu cross- 

 vein is slender and spotless. Legs rather slender, wholly brown or 

 pale, slightly pubescent. Fore tarsus a little shorter than the tibia, 

 the second tarsal joint one half as long as the metatarsus, the 

 remaining joints gradually decreasing in length. (This species 

 may possibly belong to the genus Anatopynia.) Greenland, 

 New Jersey (Johnson, 1904). 



2. Procladius occidentalis Coquillett 

 1902 Tanypus Coq. Proc. Nat. Museum. 25:92 



Brown, the prothorax, a spot near each humerus, and the scutel- 

 lum dark yellow, legs light yellow, balteres whitish; hairs of 

 antennae brown and yellow, wings hyaline, bare, first vein not 

 connected with the second by a crossvein (i. e. Ro and R, coales- 

 cent) ; fifth vein (cubitus) forks a short distance beyond the 

 crossvein, the latter situated nearly its length before the small 

 crossvein; length 4.5 mini. A male specimen. Colorado, New Jer- 

 sey (Johnson, 1904). 



