MAY FLIES AND MIDGES OF NEW YORK 261 



3. Camptocladius fumosus ii. sp. 



(PI.SO, fig.2) 

 Male. Fuscous. Head aud ])ali)i duskv vclUnvisli, oc('ii)ut gray- 

 ish ; antennae wholly fuscous, the hairs brown. Dorsum of thorax 

 with three wide suhshining black or dark brown stripes, the an- 

 terior margin, the humeri, the narrow lines separating the dorsal 

 stripes, and the pleura yellow, the scutellum brownish yellow; 

 sternum and metanotum subshining brown or blackish. Abdomen 

 and genitalia uniformly fuscous, with pale hairs. Legs pale fus- 

 cous, the bases of the femora yellow. TTairs pale. Front meta- 

 tarsus a.bout one half as long as its tibia. Wings hyaline with a 

 .yellowish tinge; the fork of the cubitus is beyond the crossvein; 

 tip of R^^.^ is rather close to the tip of the wing and distad of the 

 extremity of CHi. Halteres yellow. Length 2 mm. Ithaca N. Y. 



4. Camptocladius aterrimus Meigen 



1818 Chironomus IMeigen. Syst. Beschr. 1:47,59 



1839 Chironomus Staeger. Kroj. Tidsskr. 2 : 578, 61 



1850 Chironomus Zett. Dipt. Scand. 9 :3573, 99 



1864 Chironomus Schiner. Fauna Austr. 2 : 612 



1874 Camptocladius Y. d. Wnlp. Tijd. v. Ent. 17 : 133 



1877 Camptocladius V. d. Wulp. Dipt. Neerl. p.276 



Velvet black. Antennae, legs and halteres black, plume of the 

 antennae of the male blackish, with a whitish shimmer near 

 the tip. Fore metatarsus a.bout one third shorter than its tibia. 

 Wings whitish, the anterior veins pale brown, the others uncol- 

 ored, without a short 'black longitudinal dash at the root of the 

 Aving, R44.- gradually bent toward the costa and joining it not far 

 froui the end; the posterior branch of the cubitus somewhat less 

 bent than in C. byssinus; length 2.25 mm. Fork of the 

 cubitus noticeably distad of the crossvein. Y. d. Wulp, loc. cit. 

 Greenland; Staeger, loc. cit.; Michigan; New Jersey. 



5. Camptocladius pumilio Holmgren 



1869 Chironomus Holmg., K. Svonsk. Vot. Akad. Handl. 8 : 5, 41 



1878 Chironomus Ost. Sack. Cat'l. Dipt. N. A. p.21 

 1898 Chironomus Lundb. Vidensk. Meddel. p.276, 57 

 1902 Camptocladius Kerfosz. Cat'l. Dipt. p.l:215 



Male. Thorax black, lightly cinereous, subshining, posteriorly 

 with two cinereous, strongly aj)proxinuited stripes, with yellow 

 ]>ile arranged in two rows. Abdomen black or fuscous black, 

 the base sometimes paler, shining, and with yellow pile. The 

 antennae a little longer than the thorax (not shorter as Holm- 

 gren has it). The palpi are black; the legs are more or less 

 brown. The halteres are fuscous black, with the peduncle some- 

 times sordidly white. The wings are whitish hyaline, the anal 



