26 JOURNAL, OF ENTOMOLOGY AND ZOOLOGY 



Race columha (Linnaeus) Lepeletier de Saint Fargeau 

 (Figs. 3, 9, 11, 36 and 38) 



17(;;{ Slvix ciihiiiilxi Liiina-us. Cent, insee. ; p. -W. (In Anioen. Acad.; 



V. 6.) 

 1773 »Sf«Ve.r pennsylvanicAis DeGeer. Mem. liist. msec. ; v. 3 : p. 593 ; pi. 



30, f. 13. 

 1773 Sirex cinctiis Dniry. 111. nat. hist.; v. 2: p. 72; pi. 38, f. 2. 

 1791 Sirex amerkana Christ. Naturg. d. Insek. ; p. 412. 

 1823 Trenipx obsolrtris Say. Deser. n. sp. Ilyiii. ins. < West, quart. 



reporter; v. 2: p. 73. [lieprint, Lee. ed. ; v. 1 : p. 74.] 

 1874 Trriiifx maunis Westwood. Thes. ent. oxon. ; p. 116; pi. 21, f. 3. 



Distribution : This form is verj' common in Quebec, Ontario, 

 and nortlieastern United States, extending south as far as 

 Georgia. It is less common in the eastern provinces of Canada. 

 It extends into the states of tlie middle west, but in the Rocky 

 Mouutaius is replaced by the race aureus, although a few spec- 

 imens of the typical form have been found in that district. In 

 the south it is probably replaced by the following race, with 

 wliich it mingles, however, in the southeast. 



Race sericeus Say 



1823 Tremex sericeus Say. Deser. n. sp. Hym. ins. < "West quart. 



reporter; v. 2 : p. 73. [Reprint, Lee. ed. ; v. 1 : p. 73.] 

 1846 Tremex servillei BruUe. Hist. nat. ins. Hym.; v. 4; p. 645; f. 2. 



Distribution: Southeastern United States, extending north 

 as far as Pennsylvania, and west as far as Utah. 



Race aureus new race 



9 . :#:# Antennae, head, thorax, coxae, trochanters, and femora 

 yellowish brown, sutures washed with black ; rest of legs, basal 

 plates, and abdomen, except as noted, yellow; wings yellow, 

 brownish at apex; line on apical margin of third to seventh 

 dorsal segments black, broadest mesally, line sometimes inter- 

 rujited mesally on sixth and seventh segments, eighth segment 

 wholly yellow, or black at apex, sides of ninth segment some- 

 times stained black. 



Distribution: Colorado (Clear Creek, Sept. 5, 1898; Berke- 

 ley, Sept. 11, 1898; Denver, Sept. VA, 1898; Oct. 15, 1899; Ft. 



