ENTOMOLOGICAL NEWS. 175 
ends ofthe lateral stripes of the thorax curved out. 
nteric aid of leteted atripes not carved cut Tree of 
for the most part black or fuscous.... ....... 15. 
nn yellowish, darker toward the tip. . . . . consularis O. S. 
veura and metanotum spotted... . ............-- 16. 
and metanotum without spots. ......... noblis L.w. 
spot on the lateral thoracic stripes . . Bigrolutea Bell. 
spot on the lateral thoracic stripes... ....... 17 
shining black above, yellow below... .. . . usta O. S. 
0 SS Pore eee mexicana Macq 
EEE 19. 
ET, sn dg wini®, & s «cc eos oe 22. 
DPA 6 @ © «© @ @€ 6 @ © © « © @ © 0 © ee 20. 
ie) is Chl ieee « @¢ 6.2 2 .¢ «= 21. 
margins of the lateral thoracic stripes with three velvety- 
EE Se elegantula Wil!. 
eral thoracic stripes without black spots unimaculata L.w. 
Jlongerthanusual............. macrocera Say 
TS. <0 aM eis ¢ ¢ 0 ¢ ¢« tenuis Lw. 
rc ack pot a th nei el ie tr hora 
panctum Iw. 
ST ee Steer Oo of te Hteral horace 
DET: « ¢ @igi6 es ec ces eeces 23. 
ts of the flagellum, except the basal ones, blackish pS ae 24. 
the fagellumintwocolors .............. 30. 
i. ¢« cunt « «6 «0 0 aime «-« 25. 
_ with a shining triangular spot in the middle. 
TTS . . « wia.e «e+ csc unifasciata Lw. 
DU « . os alc a co te os 2's 26. 
= and occiput unicolorous. ... .. . . 5, ween sodalis lw. 
_e occiput with a black stripe. ....... occipitalis Lw. 
suture colored with black at bothends ........ = 
hie suture not colored blacks... .....-.-+-- 
an. : i OP nk Wiedith cheraite of the anate with & rather dexp 
+ ~ gounded incision, the edges of which bear long yellow hairs. 
x a occidentalis n. sp. 
es Posterior margin of the eighth sternite of the male straight or nearly 
$0, yellow hairs much shorter and sparser . . ferruginea Fabr. 
ee pereeh-yelow Re (Ms 6 ko 6 oceipitalis Lw 
TS 5. gap es + + +e gracilicornis Lw. 
3. Joints of the flagellum black at the base oe Faas 6 4 33 
_ Joints of the flagellum yellow at the base... . 2... .--.- 
31. Occiput without distinctly defined shining triangle. po lt 
_  Occiput opaque, with a distinct shining triangle. .......-- 32. 
32. Costal cell colorless, stigma dark brown... . . . abbreviata Lw. 
