CATALOGUE OF NORTH AMERICAN DIPTERA. II5 



ScHiNER, Fauna Austr., n, 609 (id.). 



LuNDBECK, Dipt. Groenl., i, 283, oc. in Greenland (id.). 

 barbicornis Linne, Syst. Nat., 12th ed., 11, 974 (Tipula). — Europe. 



ScHiNER, Fauna Austr., 11, 612 (Chironomns). 



Identified from U. S. — Johannsen in litt. 

 claripennis Lundbeck, Dipt. Groenl., i, 281 (Chiconomus). — Greenland, 

 clepsydra Coquillett, Proc. U. S. N. M., xxv, 92. — Las Vegas Hot Springs, 



N. M. 

 debilis Williston, Trans. Ent. Soc. Lond., 1896, pi. ix, f. 34. — St. Vincent, W. I. 

 difficilis Lundbeck, Dipt. Groenl., i, 282 (Chironomus). — Greenland. 

 frigidus Zetterstedt, of Staeger, see piihitarsis. 

 minutus Zetterstedt, Dipt. Scand., ix, 3522 {Chironomus). — N. Europe. 



Lundbeck, Dipt .Groenl., i, 281, oc. in Greenland (id.). 

 nivoriundus Fitch, see Diamesa zvaltlii. 

 par Coquillett, Proc. U. S. N. M., xxiii, 608. — Riverton, N. J. 



Axton, N. Y.— M. & H. 

 platj'-pus Coquillett, Proc. U. S. N. M., xxv, 95. — Flagstaff, Ariz, 

 politus Coquillett, Proc. U. S. N. M., xxv, 93. — D. C. 



pubitarsis Zetterstedt, Ins. Lapp., 811; Dipt. Scand., ix, 3514 (Chironomus). — 

 N. Europe. 



Staeger, Groenl. AntL, 351 (Chironomus frigidus Zett.). — Greenland. 



Lundbeck, Dipt. Groenl., i, 280, oc. in Greenland ; correction of Staeger, 

 etc. (Chironomus). 

 Note. — Holmgren also recognized a Ch. frigidus from Greenland, which 



I presume belongs here, 

 stercorarius DeGeer, Mem. pour Serv. Hist. Nat. Ins., vi, 388, pi. xxii and xxiii 

 (Tipula). — N. Europe; larva and pupa also included. 



Meigen, Syst. Besch., i, 46 (Chironomus). 



Staeger, Dipt. Dan., 578 Tid.). 



Zetterstedt, Ins. Lapp., 815; Dipt. Scand., ix. 3571 (id.). 



ScHiNER, Fauna Austr., 11, 612 (id.). 



Holmgren, Ins. Nordgroenl., 105, oc. in Greenland (id.). 



Lundbeck, Dipt. Groenl., i, 277, oc. in Greenland (id.). 

 variabilis St.\eger, Dipt. Dan., 571 (Chironomus) ; Groenl. Antl., 351, oc. in 

 Greenland (id.). — Denmark. 



Zetterstedt, Dipt. Scand., ix, 3519 (id.). 



White Mts., N. H.— Slosson. 



CAMPTOCLADIUS. 



Van der Wulp, Tijdschr. v. Ent., xvii, 133, 1874. 

 byssinus Schrank, Fauna Boica, iii, 2330 (Tipula). — Europe. 



Meigen, Syst. Beschr., i, 46 (Chironomus). 



Staeger, Dipt. Dan., 578; Groenl. Antl., 352 (id.). — Europe and Green- 

 land. 



Zetterstedt, Ins. Lapp., 815; Dipt. Scand., ix. 3572 (id.). 



ScHiNER, Fauna Austr.. 11, 612 (id.). 



Lundbeck, Dipt. Groenl, i, 273, oc. in Greenland (id.). 



Howard, Canad. Ent., xxxiii, 43, reared from cowdimg. — Va. N. J.^ 

 Smith Cat. 

 extremus Holmgren, Kongl. Vet. Akad., 1869, 40 (Chironomus). — Europe. 



Lundbeck, Dipt. Groenl., i, 176, oc. in Greenland (id.). 

 graminicola Lundbeck, Dipt. Groenl., i, 278 (Chironomus). — Greenland. 



