514 



U. S. NATIONAL MUSEUM BULLETIN 216 



Figure 240. — Localities for 

 Xorides insularis. 



in male about 2.85 as long as wide, in female about 2.2 as long as wide; 

 median longitudinal carinae of first tergite sharp on its basal half, 

 obsolescent distad of this point; second through fourth tergites with fine, 

 irregularly transverse aciculation. 



Black. Front orbit white; upper margin of pronotum with broad 

 white stripe, in occasional males the stripe narrow, or in rare males 

 abbreviated or absent; clypeus bordered with stramineous; labrum 

 stramineous; base of mandible ferruginous; palpi stramineous to 

 brown; thorax often with ferruginous stains and sometimes the 

 propodeum entirely f ulvof erruginous ; front and middle legs fulvous, 

 their coxae externally, second trochanters, and apical margin of 

 femora whitish; front of front and middle tibiae of female very pale; 

 fifth segment of front and middle tarsi brown; hind coxa fulvous, 

 sometimes infuscate apically, its apex white; hind leg beyond coxa 

 black or blackish, its trochanters and base of its tibia usually a little 

 paler; narrow apical margin of third and following tergites whitish 

 with a sublateral interruption that divides the white margin into 

 median and lateral portions. 



Specimens (57 cf, 949): From Alaska (Gulkana River); Alberta 

 (Banff, Lake Louise, and Nordegg) ; Arizona (Bear Wallow on Mount 

 Lemmon); British Columbia (Aspen Grove, Cultus, Cultus Lake, 

 Kaslo, Lake Errock near Deroche, Midday Valley near Merritt, 

 Robson, Seton Lake near Lillooet, Diamond Head Trail near Squam- 

 ish, "God Inlet on Vancouver Island," Vancouver, Vernon, and 

 Wellington); California (Berkeley, Big Tree Grove in Mariposa Co., 

 Echo Lake at 7,400 ft., Fallen Leaf, Fallen Leaf Lake, Fish Camp, 

 Florence Lake in Fresno Co., near Glacier Point in Yosemite Park, 

 Guerneville, Miami in Madera Co., Mount St. Helena in Sonoma 

 Co., North Fork, Placerville, Quincy, Rivertori, Snowline Camp in 

 El Dorado Co., and Yosemite Park); Colorado (Manitou Springs); 

 Idaho (Wallace); New Mexico (Sacramento Mts.); Oregon (Ashland, 



