THE CANADIAN ENTOMOLOGIST 15 body hairs; anterior, median, dorsal surface of prothorax bears a pair of prominent ' tubercles, each tubercle bearing two reddish-brown, prominent, posteriorly directed, curved spines (giving an antler-like effect); posterior, median, dorsal surface of prothorax bears a pair of smaller tubercles each with two posteriorly b directed spines, the anterior spines being strongly curved; mesothorax bears a pair of median tubercles each with a large, posteriorly directed spine and a smaller, perpendicular one anterior to it; Inetathorax bears pair of tubercles each with a posteriorly directed spine; bases of thoracic tubercles all bear smaller, reddish-brown tubercles, those on meso-and metathorax being arranged in a circle; median, dorsal portions of abdominal segments one to eight bear eight, large spines with tuberculate bases, arranged in a double row of four each, the anterior four usually being anteriorly directed and the posterior four being posteriorly directed; on last three abdominal segments these spines become closer together and appear to radiate somewhat; last abdominal segment bears a dorsal pair of prominent, anteriorly directed, curlied, chitinous spines; all spines reddish brown; fewer tuberculate, spine-,like hairs on ventral surface:Adult.-Ischyrus quadripunctatus.This moth was first described by Asa Fitch in his ,Third Report on the noxious, beneficial and other insects of the State of Xem-York, but he does not report its occurrence in that State, having prepared his description from a specimen sent him from Savannah, Georgia. Dyar gives its habitat as the Southern States; Holland as the southern portion of the region covered by his Afoth B o o k , from thc Gulf States southward and westward, into Mexico and lands still further south.In July of the present year, I found in this city, feeding upon ailanthus, certain l a r v~ which wore unkn0m.n to me. They pupated while suspended in a loose, irregular net spun among the leaves, and emerged July 25-28. I sent one of these to Dr. Barnes, who kindly confirmed my identification of it, and stated that he had raised the moth a t Decatur, Illinois, on ailanthus, and that Mr. Poling had bred it a t Quincy in the same State. This would indicate a far wider distribution for it than that assigned bv Holland and D v a r
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