20 CHIRONOMIDAE. 



Corethra. 



Meigen, Illiger's Magaz. II, 260; 1803. 



♦punctipeniiis Say, Journ. Acad. Phil. Ill, 16; Compl. Wr. 11, 43; 



Wiedemann, Auss. Zw. I, 14, 1. — Pennsylvania (Say). 

 ♦trivittata Loew, Centur. II, 1. — Maine; Yukon Kiver, Alaska. 



FAMILY CHIRONOMIDAE. n- 

 Itiamcsa. 



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

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



Cliironomns. 



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

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

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



aterriiiuis Meigen, etc., Staeger, Groenl. Antliater. — Europe, Greenland. 

 atteiniatns Walker, List, etc. I, 20. — Huds. Bay. 

 basalis Staeger, Groenl. Antliater. 351, 6; Holmgren, Ins. Nordgroenl. 



105. — Greenland. 

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

 borealis Curtis, Ins. of Boss's Voy. LXXVII. — Arctic America. 

 bruiineus Walker, List, etc. J, 21. — Huds Bay.. 

 byssiims Meigen, etc. Staeger, Groenl. Antliater. — Europe, Greenland. 

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

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

 cristatiis Fabr. Syst. Antl. 39, 4. Wiedemann, Auss. Zweifl. I, 14, 1. 



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

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



Indiana. 

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



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

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

 flavicingula Walker, 1. c. I, 20. — Huds. Bay. 

 frig-idus Zetterstedt, Insecta Lapponica; Dipt. Scand. IX, 3516, 33; 



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



Greenland; also Northern Europe 

 gemiiiatiis Say, ^. Acad. Phil. III. 14, 4; Compl. Wr. II, 42. — 



Pennsylvania. 

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

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



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

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



IX, 3487. — Greenland; also Northern Europe. 

 *interme(lius Staeger, Kiojer's Tidskr. II, 559. — Europe and N. W. 



of North- America (brought together with plumosus, of which it 



may be only a smaller variety). 



