114 THE CANADIAN ENTOMOLOGIST. 



t — Fore TAibital areolet moderately broad 21 Zygomyia 



ft — Fore cubital areolet very narrow 22 Sceptonia 



X — Hind vein not forked. 



X — Hind vein forked 23 Epicypta 



* — Base of the 4th hind areolet in a transverse line with that 



of the 2nd hind areolet 12 Dacosia 



^* — Base of the 4th hind areolet more distant from the base 



of the wing than is the base of the 2nd hind areolet, 18 Anatella 



b — Costal vein extending a little beyond the cubital vein 19 Phronia 



c — Costal vein not extending beyond the tip of the cubital. 

 * — Base of the 4th hind areolet a little nearer to the base 



of the wing than is the base of the 2nd hind 



areolet. 



t — Petiole of the 2nd hind areolet very short 14 Rymosia 



ft — Petiole of the 2nd hind areolet moderately long 15 Allodia 



** — Base of the 4th hind areolet much nearer to the base of 



the wing than is the base of the 2nd hind areolet. 

 + — Costal vein ending much before the tip of the wing. . 13 Brachypeza 

 t+ — Costal vein ending a little before the tip of the 



wins: 16 Brachycampta 



^f** — Base of the 4th hind areolet and that of the 2nd about 



equally distant from the base of the wing 17 Trichonia 



^'^*'^ — Base of the 4th hind areolet much more distant from 



the base of the wing than is the base of the 2nd. 



NOTES ON COLLECTING LEPIDOPTERA. 



BY G. M. DODGE, GLENCOE, DODGE CO., NEBRASKA. 



In collecting Catocalas at Ohio, 111., I have found them, during July, 

 invariably abundant upon Black Locust (Robinia psendacacia ) , which, at 

 • that time, exudes considerable sap from the holes made by borers. Last 

 season I pinned rags, dipped in molasses, to three or four of these trees, 

 and from the middle to the last of July obtained from them over thirty 

 Catocalas of ten species. On suitable evenings I would visit the trees 

 with a lantern and cyanide bottle ; several times between sunset and ten 



