. MAY FLIES AND MIDGES OP NEW YORK 261 



3. Camptocladius fumosus n. sp. 

 (P1.30, fig.2) 

 Male. Fuscous. Head and palpi dusky yellowish, occiput gray- 

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

 with three Avide subshining black or dark brown stripes, the an- 

 terior margin, the humeri, the narroAV 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. Hairs pale. Front meta- 

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

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

 tip of R4+5 is rather close to the tip of the wing and distad of the 

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



4. Camptocladius aterrimus Meigen 

 1818 Chironomiis Meigen. Syst. Beschr. 1 : 47, 59 

 1839 Chironomi-is Staeger. Kroj. Tidsskr. 2 : 578, 61 

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

 1864 Chironomus Schiner. Fauna Austr. 2 : 612 

 1874 Camptocladius V. d. Wulp. 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 about 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 

 wing, R^_!.- gradually bent toward the costa and joining it not far 

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

 bent than in C. by s sinus; length 2.25 mm. Fork of the 

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

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



5. Camptocladius pumilio Holmgren 



1869 Chironomus Holmg., K. Svensk. Vet. 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 Kerfesz. Cat'l. Dipt. p.l:215 



Male. Thorax black, lightly cinereous, subshining, posteriorly 

 with two cinereous, strongly approximated stripes, with yellow 

 pile 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 



