20 CHIRONOMIDAE. 



Coretltra. 



Meigen, Illiger's Magaz. II, 260; 180.?. 



*punctipennis Say, Journ. Acad. Phil, III, 16; Compl. Wr. II, 43; 



Wieclemann, Auss. Zw. I, 14, 1. - - Pennsylvania Say). 

 * triviitata Loew, Centur. II, 1. Maine; Yukon River, Alaska. 



FAMILY CHIRONOMIDAE. C 22 )- 



Diamesa. 



Meigen, Syst. Beschr. VII, 72; 1830. 

 i Waltlii Meigen etc. Staeger, Groenl, Antliater. Europe, Greenland. 



Chironomus. 



Meigen, lllig. Mag. II, 260; 1803. 



albistria Walker, List, etc. I, 17. - Huds. Bay, 



anticus Walker, List, etc. I, 21. - Georgia. 



aterrimus Meigen, etc., Stueger, Groenl. Antliater. Europe, Greenland. 



atteimatns Walker, List, etc. I, 20. - - Iluds. Bay. 



l)asalis Staeger, Groenl. Antliater. 351, 6; Holmgren, Ins. Nordgroeul. 



105. - - Greenland. 



bimacula Walker, List, etc. I, 15. - - Huds. Bay. 

 borealis Curtis, Ins. of Ross's Voy. LXXVII. - - Arctic America. 

 brunneus Walker, List, etc. I, 21. Huds Bay.. 

 byssimis Meigen, etc. Staeger, Groenl. Antliater. Europe, Gree: land. 

 coiiflnis Walker, List, etc. I, 15. Huds. Bay. 

 crassicollis Walker, 1. c. 18. - Huds. Bay. 

 cristatus Fabr. Syst. Antl. 39, 4. Wiedeniann, Auss. Zweifl. I, 14, 1. 



Macquart, Hist. Nat. Dipt. I, 50, 10. - - New York (Fab.) 

 devinctus Say, Journ. Acad. Phil. VI, 150; Compl. Wr. II, 349. 



Indiana. 

 festivns Say, Journ. Acad. Phil. Ill, 13, 2; Compl. Wr. II, 41; Wied. 



Anal. Entorn. 10.; Auss. Zw. I, 16, 5. Illinois (,Say). 

 fimbriatus Walker, 1. c. 20. - - Huds. Bay. 

 flayic.ingula Walker, 1. c. I, 20. Huds. Bay. 

 frigidus Zetterstedt, Insecta Lapponica; Dipt. Scand. IX, 3516, 33; 



Staeger, Groenl. Antliater; Holmgren, Ins. Nordgroenl. 105. 



Greenland; also Northern Europe 

 | geminatus Say, J. Acad. Phil. 111. 14, 4; Compl. Wr. II, 42. - 



Pennsylvania. 



glaucurus Wiedemann, Auss. Zweifl. I, 15, 3. - - Atlantic States. 

 Chironomus stiymatcrus Say, Journ. Acad. Phil. Ill, 15, 6; Compl. 



Wr. II, 42. [Change of name by Wied.] 

 hyperboreus Staeger, Groenlands Antliater; Zetterstedt, Dipt. Scand. 



IX, 3487. - - Greenland ; also Northern Europe. 

 *interme<lhis Staeger, Krojer's Tidskr. II, 559. - Europe and N. W. 



of North-America (.brought together with pliunosus, of which it 



may be only a smaller variety). 



