304 NEW YORK STATE MUSEUM 



7. Metriocnemus incomptus Zetterstedt 

 1838 Chironornus Zett. Ins. Lappon. p.816, 42 

 1850 Chironomus Zett. Dipt. Scand. 9 : 3586, 121 

 1864 Chironomus Schiner. Fauna Austr. 2 : 607 



1898 Chironomus Lundb. Vidensk. Meddel. p.285, 73 



Gray; dorsuni of the thorax with three black longitudinal 

 stripes, which are often indistinct; the metanotum blackish; the 

 abdomen with pale incisures, at the base sometimes lighter. Head 

 dark; the palpi pale yellow, the antennae testaceous. Legs pale 

 yellow, the coxae and all the articulations brown or at least 

 darker; fore metatarsus but little shorter than its tibia. Wings 

 whitish, spotless, thickly haired ; the halteres pale. Length 3 mm. 

 Schiner, loc. cit. (Greenland, Lundbeck.) 



The fly described by Van der Wulp as M . incomptus is a 

 synonym of M. modestus Meigen according to Kertesz 

 (1902). 



8, Metriocnemus atratuhis Zetterstedt 



1850 Chironomus Zett Dipt. Scand. 9 : 3590, 128 



1864 Chironomus Schiner. Fauna Austr. 2 : 608, 56 

 1884 Metriocnemus Mik. Wien. Ent. Zeitg. 3:202 

 1898 Chironomus Lundb. Vidensk. Meddel. p.285, 74 



(P1.31, fig.5, pl.33, fig.8.) 



Resembles Orthocladius stereo rarius Deg., but 

 differs in having hairy wings. Dull black ; abdomen black-haired ; 

 the anal segment wider. Antennae and its hairs black. The legs 

 black, the tarsi brown; the fore metatarsus but little more than 

 one half as long as its tibia. Halteres black ; wings white, with a 

 darker stripe at its base ; delicately haired. Length 1.5 to 2 mm. 

 Schiner, loc. cit. (Greenland, Lundbeck.) 



Several specimens from Ithaca, N. Y., agreeing with the above 

 description have the thoracic hairs, especially of the male, pale 



brown. 



9. Metriocnemus ursinus Holmgren 



1869 Chironomus Holmgr. K. Svensk. Vet. Akad. Handl. 8:5, 39 

 1898 Chironomus Lundb. Vidensk. Meddel. p.284, 71 

 1902 Metriocnemus Kertesz. Cat'l. Dipt. 1 : 232 



1865 Chironomus arcticus Bohem. Ofv. K. Vet. Akad. Fo'rh 



p.574, 19 

 1845 Chironomus aterrimus Staeger (nee Meig.). Krojer. 



Naturh. Tids. 1:353,8 

 1878 Chironomus Ost. Sack. Cat'l. Dipt. N. A. p.20 



Male. Head black ; antennae fuscous black, densely plumose, 

 basal joints of the flagellum stouter. Thorax black, subopaque, 



