134 SYRPHIDAE. 



*borealis Staeger, Grocnl. Antl. 359, 25; Loew, Stett. Eut. Zeitschr. VII, 



123. — Greenland. 

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

 *glacialis Loew, Stett. Ent. Zeitsctr. VII, r2L — Labrador. 

 *groeiilau(Iicus 0. Fabricius, Fauna Groenl. 208, 170 (Taimws) ; 

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

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

 Hdopliilus arcticus Zetterstedt, Ins. Lapp. 695, 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]. 

 Helophihis biUneatus Curtis, Ins. of Ross's Exp. LXXVIII [Schioedte, 



fieri. Ent. Zeitschr. 1859, 153|. 

 (?) Helophihis latro Walker, List, etc. Ill, 607. — Huds. B. Terr.; 

 Nova Scotia. 

 *liainatus Loew, Centur. IV, 79. — Fort Resolution, Iluds. B. Terr. 

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

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



Illinois. 

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



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

 *liiieatus Fabricius, Meigeu, Curtis (Brit. Eut.) etc., Loew, Stett. Ent. 

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

 Illinois; Quebec, Canada.). 

 (?) Hdopliilas stipatus Walker, List, etc. Ill, 602. — Trenton 



Falls. ("3). 

 Hehxjhilus Anausis Walker, List, etc. Ill, 603. — Huds. B. Terr. 

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

 Scotia. 

 ♦obscnrus Loew, Centur. IV, 74. — Fort Resolution, Huds. B. Terr.; 



South Park, Colorado {"^*). 

 ♦obsoletus Loew, Centur. IV, 75. — Fort Resolution, Huds. B. Terr. 



porcus Walker, List, etc. HI, 551 (Eunierus). — Huds. B. Terr. ('^^^). 

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

 ted States; Canada. 

 HeJopliilus fasciatus Walker, List, etc. HI, 605. — Trenton Falls. 

 JEristalis decisus Walker, List, etc. III. 604. — Trenton Falls. 

 Helophilus susurrans Jaennicke, Neue Exot. Dipt. 94. — Illinois. (-'"). 



♦polygrammns 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). 

 femoralis Walker, List, etc. HI, 603. — Mexico. 

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



Observation. Eristalis Androclns and f rater (Walker, List, etc.) and 

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

 of Eristalis, and the Note (-iS"). 



About th" occurrence in North America of Heloph. penduhis, versicolor, fioreus, 

 see the Note ('9''}. 

 For HdopUilus albiceps Mac(i. see Pohjdonta curvipes. 



I 



