134 SYRPHIDAE. 



"borealis Staeger, Groenl. Antl. 359, 25; Loew, Stett. Ent. Zeitschr. VII, 



123. - - Greenland. 



*divisns Loew, Centur. IV, 78. Distr. Columbia. 

 *glacialis Loew, Stett. Ent. Zeitschr. VII, 121. Labrador. 

 *groenlandieus 0. Fabricius, Fauna Groenl. 208, 170 (Tabanus); 

 Loew, Stett. Ent. Zeitschr. VII, 119. -- Arctic America; Green- 

 land; Twin Lakes (Colorado); Labrador; also in Europe, Sweden. 

 Hflopltilus arcticus Zetterstedt, Ins. Lapp. 595, 2; Dipt. Scand. II, 

 678, 2 (ex parte); VIII, 3117, 2; Staeger, Kroejer's Tidskr. N. R. 

 I, 359; Holmgren, Nordgroenl. Ins. 100. [Loew and Schioedte], 

 Hdopliilus bilineatus Curtis, Ins. of Ross's Exp. LXXVIII [Schioedte, 



Berl. Ent. Zeitschr. 1859, 153). 

 (?) Helophilus latro Walker, List, etc. Ill, 607. - - Huds. B. Terr. ; 



Nova Scotia. 



*hamatus Loew, Centur. IV, 79. - - Fort Resolution, Huds. B. Terr. 

 * integer Loew, Centur. IV, 76. - - New York. 

 *laetus Loew, Centur. IV, 77. - New York; Northern Wisconsin; 



Illinois. 

 *latifrons Loew, Centur. IV, 73. Northern States; Nebraska; Red 



of the North; California (0. Sacken, Western Dipt., 333). 

 *lineatus Fabricius, Meigen, Curtis (Brit. Ent.) etc., Loew, Stett. Ent. 

 Zeitschr. 1846, 167. - - Europe; North America (Massachusetts; 

 Illinois; Quebec, Canada.). 

 (?) Heloplnlns stipatns Walker, List, etc. Ill, 602. Trenton 



Falls. ( 23S ). 



Hduphilus Anausis Walker, List, etc. Ill, 603. -- Huds. B. Terr. 

 Novae Scotiae Macquart, Dipt. Exot., 2e Suppl. 60, 10. Nova 



Scotia. 

 *obscurus Loew, Centur. IV, 74. Fort Resolution, Huds. B. Terr.; 



South Park, Colorado ( 234 ). 



*obsoletus Loew, Centur. IV, 75. - - Fort Resolution, Huds. B. Terr. 

 porcus Walker, List, etc. Ill, 551 (Eumerus). - - Huds. B. Terr. (-" r ). 

 *similis Macquart, Dipt. Exot. II, 2, 64, 7. -- Georgia (Macq.); Uni- 

 ted States ; Canada. 



Heh>j>liilits fnscitits Walker, List, etc. Ill, 605. - - Trenton Falls. 

 Eristalis decisus Walker, List, etc. Ill, 604. - Trenton Falls. 

 Hdopldlus suswrans Jaennicke, NeueExot. Dipt. 94. Illinois. ('-"'). 



*polygranimns Loew, Centur. X, 55. -- California (Sierra Nevada); 

 Oregon (0. Sacken, Western Dipt, 338; Mexico (? I saw in 

 the Berlin Mus. a specimen very like this species). 

 feinoralis Walker, List, etc. Ill, 603. - - Mexico. 

 mexicaims Macquart, Dipt. Exot. II, 2, 64, 6 ; Tab. IX, f. 2. Mexico. 



Observation. Eristalis Androdus and frater (Walker, List, etc.) ami 

 E. chalepus (Walker, Dipt. Saund.) are Helophili; see the observation at the er.d 

 of Eristalis, and the Note (230). 



About th"> occurrence in North America of Hclopli. patdiihts, ixrsicolor, forcus, 

 see the Note (197). 

 For Helophilus albiceps Mac<i. see PolydQuta ntrvipes. 



