142 THE CANADIAN ENTOMOLOGIST. 



Sphex, sp. — Las Cruces, N. Mex. One. A large black wasp, with 

 orange-yellow legs and abdomen. Det.. Riley. 



Sphex ichneuftionea, Linn. — La Vega de San Jose, N. Mex., Aug. 4. 

 One. El Rito, N. Mex., August 5. One. Det, Riley. 



Tachytes fulviventris. Cress. — Chaves, N. Mex., August 6. One. 

 Sabinal, N. Mex., August 7. One. First three abdominal segments of 

 this specimen clear, light orange, and other two segments black. Det., Fox. 



Tenthredo flavomarginis, Norton. — San Francisco Mt., Arizona, 

 July 15. One specimen. Blackish sawfly. Very nearly the same as 

 T. xanthus and occidentalis, but without bands across the abdomen, 

 which is wholly black. Det., Fox. 



Tenthredo occidentalis, Cress. — Hart Little Spring, Arizona, July 14. 

 Eight specimens. Like T. xanthus, only the abdominal bands are red 

 instead of yellow. Det., Fox. 



Tenthredo xanthus, Norton. — Hart Little Spring, Arizona, July 14. 

 Two specimens. This is a black species with two pure yellow bands 

 across the abdomen. Det., Fox. 



Thyredon arnatipennis. — Grand Canyon, Arizona. Hance trail, up 

 near rim, July 12. One specimen. A very large ichneumonid, with 

 laterally compressed and petiolate abdomen. Mostly flavous. Thorax 

 stout. Antennge long, yellow. Wings flavous-hyaline, with entremities 

 and posterior border black. Det, Fox. 



Trypoxylon Texense, Sans. — La Vega de San Jose', N. Mex., Aug. 4. 

 Three specimens. Det., Fox. 



Urocerus abdo?ninalis, Harris. — Summit of San Francisco Mountain, 

 Arizona. Nearly 13,000 feet. Many specimens seen, three captured 

 July 15. The abdominal segments 2 to 5 of this species are bright yellow, 

 rest of body wholly soft black. Eyes and legs partly yellowish. Det., Fox. 



Vespa occidentalis, Cress., var. — Hart Little Spring, Arizona, July 14. 

 One collected. Many seen. A large yellow and black hornet Det., Fox. 



Xylocopa Arizonefisis, Cress. — Las Cruces, N. Mex., August 19. 

 One. Det., Fox. 



Note. — Mention was inadvertently omitted, in the introductory 

 remarks, of a paper on ants from Las Cruces, N. M., sent to E?itom. 

 News (1894) for publication, and which records twelve species. 



Mailed May ist. 



