212 NEW YORK STATE MUSEUM 



According to V. d. ^Vlll]^, loc cit., and Weyenbergli (1874) the 

 larvae are trausj)arent and pale green; some larvae from which 

 I bred this species resemble C . d e c o r n s n. sp/ in the form of 

 the labinm as well as in other details. Ithaca, N. Y. ; Idaho; 

 Washington State; Pennsylvania; South Dakota; Minnesota; 

 Isew Jersey ; Douglas, Alaska. 



21. Chironomus barbipes Staeger 



1839 C li i r o n o iii ii s Staeger. Krojer ; Naturh. Tidsskr. 2 :561, 5 

 1850 Chironomus Zett. Dipt. Scand. 9 : 3486, 5 

 18G4 Chironomus Scliiner. Fauna Austr, 2 : 601 

 1877 Cli i r o a o ui u s ^^ d. Wulp. Dipt Neerl. p.252, 6 



(P1.28, fig.lO) 



Male. Hairy, blackish species with hyaline wings having the 

 anterior veins somewhat reddish; halteres sordidh- yellow, the 

 extreme tips a little darker; the second joint of the fore tarsus 

 shorter than the third. Length 8 mm. 



Head and basal joint of antenna dull black, the flagellum of the 

 latter and the palpi fuscous. Antennal hairs dark reddish brown. 

 Thorax cinereous, with three faintly marked wide cinereous black 

 stripes; scutellum, jjcctus, ])leura and metanotiini cinereous. 

 Abdomen black, the j)osterior margins of the seginents cinereous, 

 covered with h)ng brown eicct hairs. Genitalia brown, the 

 claspers rather short and stout, the dorsal keel of moderate size. 

 The coxae cinereous; the legs testaceous, the bases of the femora, 

 the knees, the tij)S of the tibiae, and the middle and hind tai-si 

 a little darker, the fore tarsi except basal half of metatarsus 

 brown and densely bearded with long brown hairs. The fore 

 femora and tibiae and ibasal half of metatarsi nearly bare; the 

 ■whole of tiie middle and liind legs quite hairy. Fore metatarsus 

 about one sixth longer than its tibia; the second tarsal joint 

 shorter than the third. The wings narrow and long, hyaline with 

 very slight yellow tinge; the costa, radius, TJ-^f crossvein and the 

 basal half of the media testaceous, the other veins hyaline; vena- 

 tion as figured. Halteres yellowish. 



Female. Basal half of antennae yellowish, fore tarsi bare. 

 K<'adily distinguished from related species by its short second 

 tarsal joint. 



Van der "Wulp (1S77, p.252), suggests that this may possibly be 

 a synonym of C. p a 11 e n s Meigen. 



Two male s])ecimens, Chicago, 111., May, 1809. 



22. Chironomus annularis I )egeer 



1776 IM ]Mi 1 M DcgtHT. Mom. pour s(m-v. a I'liist. d. Ins. 6:379, 18 

 1809 Chironomus Latr. Gen. Crust, et Ins. 4: 2oO 

 1818 Chironomus Meigen. Syst. Besclu-. 1:21, 3 



