MAY FLIES AND MIDGES OF NEW YORK 261 



3. Camptoeladius fumosus n. sp. 



(P1.30, flg.2) 



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

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

 with three wide subshining 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. 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 K 4+5 is rather close to the tip of the wing and distad of the 

 extremity of Civ Halteres j^ellow. Length 2 mm. Ithaca N. Y. 



4. Camptoeladius aterrimus Meigen 

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

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

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

 1864 Chironomus Schiner. Fauna Austr. 2 : 612 



1874 Camptoeladius V. d. Wulp. Tijd. v. Ent 17 : 133 



1877 Camptoeladius 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 bla'ck longitudinal dash at the root of the 

 wing, R 4 _i.- 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 sin us; length 2.25 mm. Fork of the 

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

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



5. Camptoeladius 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 Camptoeladius Kertesz. 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 



