274 



AMERICAN HYMENOPTERA. 



Bonibus (Bombus) terricola Kirby. 

 Bombus terricola W. Kirby, Fauna. Bor.-Amer., IV, 1837, p. 273, n. 



379, 9 ; T. 6, F. 4. 

 Cresson, Proc. Ent. Soc. Phila , II, 1863, p. 99, n. 



23, 9 a . 

 Packard, Proc. Essex Instit., IV, 1864, p. 112, 9^0^. 

 Bethune (Reprint, W. Kirby's Fauna Bor.-Amer.), 



Can. Ent., X, 1878, p. 117. 

 Cresson, Trans. Amer. Ent. Soc, VII, 1879, p. 231 



(Catal.). 

 Bowles, Ann. Rep't Ent. Soc. Ont., 1880, p. 33. 

 Provancher, Natural. Canad., XIII, 1882, p. 267, n. 



3, 9 e cf. 

 Provancher, Faun. Entom. Canada. Hymen., 1883, 



p. 735, n. 3, 9 S c?. 

 Cresson, Syn. Hym. No. Amer., 1887, p. 308. 

 Ant. Handlirsch, Ann. Naturh. Hofmus. Wien., Ill, 



1888, p. 234 (pars.). 

 Dalla Torre, Cat. Hym., X, 1896, p. 558. 

 Harvey and Knight, Psyche, VIII, 1897, p. 79. 

 Howard, Insect Book, 1904, Plate II, fig. 1, S ; fig. 



5, 9. 

 Kellogg, American Insects, 1905, p. 519. 

 Fletcher and Gibson, Can. Ent. Rec. (Ann. Rep't 



Ent. Soc. Ont.), 1907, p. 17. 

 Lowell, Ent. News, XVIII, May, 1907, pp. 196-197, 



9 a cf. 

 Titus, Biol. Surv. Mich., Ecology of Isle Royale, Lake 



Superior, 1908, p. 317. 

 Cockerell, Can. Ent., XLII, 1910, p. 25. 

 terrestris var. terricola Friese and Wagner, Zool. Jahrb., 



XXIX, 1909, p. 28. 



Type. — Probably in the collection of the British Museum, 

 but its identity may be lost as Col. Bingham was unable to 

 locate it definitely for me. 



Pile of medium length and rather fine. Head mostly dark. Thorax 

 with dorsutn yellow in front and mostly dark behind ; pleura dark. 

 Dorsum of abdom.en with segments one and four black; two and three 

 yellow ; five black , except light apical fringe ; six black with light 

 hairs on the sides. Legs dark ; wings brown. 



Queen. Head. — Face sometimes with a weak admixture of yellow 

 hairs above and below the bases of the antennae, otherwise entirely 

 black. Labrum with tubercle-like areas having their margins rather 

 sharply elevated and summits deeply concaved and for the most part 



