SYRPHIDAE. 121 



Chrysogaster. 



Meigen, Illiger's Magaz. II, 1803. ( 1M ). 



*latus Loew, Centar. IV, 59. - - British North America (English River). 

 *uigripes Loew, Centur. IV, 60. - New York. 



Observation. Chrysoynster Apisaon Walker, List III, 572. New York. 



Antitlieus 1. c. 572. Nrw York. 



rectflfns Walker, Dipt. Saund., 228. United 



States. Mr. Walker's types in the Brit. Mus. are single specimens, in very poor con- 

 dition. Upon comparison , they will probably prove identical with Mr. Loew's spe- 

 cies of Chrysoyaster and Orthoneura. 



Orthonenra. 



Macquart, Hist. Nat. Dipt. I, 563; 1834. 



*nitida Wiedemann, Auss. Zw. II, 116, 1 (Chrysogaster). North America. 



Cn/ptincwa hiirof/lypltica Bigot, Rev. et Magaz. de Zool. 1859. 

 *pictipennis Loew, Centur. IV, 58. - New York. 

 *ustulata Loew, Centur. IX, 80. -- Orange, N. J. 



*nigTOYittata Loew, Zeitschr. fur Ges. Naturw. December 1876, p. 323. 

 San Francisco. 



Observation. Parar/us aencus Walker, List, etc. Ill, 545, Ohio, is an 

 Oi-tlioneura. ( 19S ). 



Cliilosia. 



Clieilosia Meigen, System. Beschr. Ill, p. 296; 1822. ( 20 ). 



*capillata Loew, Ceutur. IV, 65. Distr. Columbia. 



*comosa Loew, Centur. IV, 66. - - British America. 



*cyanescens Loew, Centur. IV, 67. - - Illinois. 



* leucoparea Loew, Centur. IV, 69. - - Carolina. 



*pallipes Loew, Centur. IV, 70. - - Distr. Columbia, White Mts., N. H. 5 



California. 



*pluinata Loew, Centur. IV, 68. .Virginia. 

 *tristis Loew, Centur. IV, 71. - - Red River of the North. 



Observation. Si/rplnis Aesyctis Walker, List, etc. Ill, 591 , Huds. B. Terr. 

 Syrphus latrans 1. c. 575, Huds. I>. Terr, are both Cliilosiae. 



Helanostoma. 



Schiner, Wiener Ent. Monatschr. IV, 213; 18GO. 



junbigua (Fallen?* Zetterstedt, Ins. Lapp. 608, 38(?) (!-'>/r}ilnts) ; Dipt. 



Scand. II, 757, 60 (id.); variety in Staeger, Groenl. Antl. p. o' ; l, 



29 (?). [The quotations and queries are Schioedte's, in the Berl. 



Ent. Zeitschr. 1859, p. 153.] - - Greenland. 

 *scalaris Fabricius, Panzer, etc. (tyi-phus). Europe and North 



America tconimon). 

 Syri>lut nii'Uiiiii-s (,Linne) , Fabricius, ^leigen, etc. See description 



in Schiner, Fauna Austr. Dipt. I, 291. 

 *obscura Say, Amer. Ent. I; Tab. XI (Syrplms), C'ompl. Wr. I, 23; 



Wiedemann, Auss. Zw. II, 131 (/(/.). - - Atlantic Siatas. 



