OF WASHINGTON. 145 



joint slender and slightly longer than the fifth. Wings hyaline, cross- 

 veins not darkened, first vein simple and terminating at four-fifths of 

 the length of the wing. Length 2 to 2.75 mm. 



Plattsburg, N. Y. Five males and 4 females bred from 

 August 20 to September i, 1905, by Dr. H. G. Dyar. 

 Type. — No. 11507, U. S. National Museum. 



Chironomus compes, n. sp. 



Brownish black, the scutellum and halteres yellow, basal half of front 

 femora and a broad band before apex of each middle and hind femur 

 yellow, tibiae and first joint of middle and hind tarsi except at each 

 end, also broad bases of other tarsal joints, whitish. Mesonotum largely 

 gray-pruinose, hind margin of each segment of the abdomen except 

 the last one gray-pruinose, hairs of body yellowish, front tarsi not 

 fringed with hairs, first joint of front tarsi about one and one-half 

 times as long as its tibia. Wings hyaline, veins yellow, the small 

 cross-vein pale brown. Length 5 mm. 



Plummers Island, Maryland. Nine males and two females 

 collected by Messrs. E. A. Schwarz, H. S. Barber, and W. V. 

 Warner, May 10 and 20, August 26 and 28, and September 3. 



Type. — No. 11 508, U. S. National Museum. 



Chironomus fascipes, n. sp. 



Head and antennae yellow, mouth parts brown. Mesonotum yellow, 

 gray-pruinose, and with three somewhat polished yiellowish-browh 

 vittae, pleura and metanotum chiefly brown, scutellum yellow. Abdomen 

 light yellow, the last three segments and the genitalia brown, gray- 

 pruinose. Legs yellow, apices of front femora, a band beyond their 

 middle, both ends of front tibiae, and apices of joints of front tarsi, 

 brown; front tarsi of male not fringed with hairs, the first joint 

 only slightly longer than its tibia. Halteres yellow. Wings hyaline, 

 the veins pale. Length 5 mm. 



Riverton, New Jersey. A male specimen collected August 

 II by Mr. C. W. Johnson. 



Type. — No. 11509, U. S. National Museum. 



Misgomyia, n. gen., Leptidae. 



Near Arthroceras, but the hind tibiae two-spurred and the wings 

 with only four posterior cells. Antennae shorter than the head, the 

 basal half broadly subconical, the remainder rather narrow, linear, 

 annulate, the apex bearing a few short bristles. Eyes oval, not 

 notched. Face bare. Proboscis short, fleshy, palpi large. Body and legs 

 devoid of macrochaeta, front tibiae without spurs, the middle and hind 

 tibiae two-spurred, empodium and pulvilli pad-like. Third vein forked, 

 four posterior cells, three veins extend from the discal cell to the wing 

 margin, anal cell narrowly open. Calypteres minute. 



Type. — The following species : 



