254 Journal New York Entomological Society. [Vol. xxvii. 



Godg. This series, with representatives from Texas and Florida to 

 New England and Canada, comprises both sexes ; and, if properly as- 

 signed to that species, furnishes us with examples of the male, hitherto 

 undescribed and unrecognized. That sex is slightly smaller than the 

 female, and has the mid-lateral pale band broader and notably arcuate 

 over the humeri after the usual male pattern in the genus. The 

 presence throughout the series of the mid-elytral dark band is a con- 

 stant character, though subject to some variability in definition. In 

 this locality Quercus rubra is the favored host plant of this form. 

 Type female, July 19, 1914, and allotype male, June 14, 1914, taken by 

 me at Bronxville, N. Y., in author's collection. Paratypes in collec- 

 tions of U. S. Nat. Mus., Win. T. Davis, E. P. VanDuzee and Mrs. 

 Slosson. 



There remains what seems to be another undescribed species, 

 closely related to the above, represented in my collection by a series 

 of twenty-seven specimens, all females, taken by me during the past 

 two years. While loth on general principles to found a species on 

 material presenting but one sex, the general facies of these specimens 

 is so distinct from any heretofore described, in both color tone and 

 structural outline, that I feel justified in offering the following spe- 

 cific designation based upon them. None of the several collections 

 to which I have had access has revealed a specimen which can be 

 allocated with them. It is hoped that further and earlier collecting 

 in the type locality may discover the male sex, which I suspect appears 

 early in the season and after mating survives but a short time. 



Ophiderma grisea new species. 



Female. — Type: Rather slender, slightly larger, broader across humeri and 

 more hairy than flaviguttula Godg. or its varietal form definita (supra). Pro- 

 notum long, attaining apex of terminal areole, apex in lateral aspect sharply 

 acute. Dorsal line in lateral aspect slightly elevated just back of humeri, 

 succeeded posteriorly by a distinct sinus at mid-dorsal white spot ; posteriorly 

 gently arcuate to tip. (In series dorsal line tends to be straight.) 



Face dull yellowish drab, clypeal sutures, dots on vertex above ocelli and 

 pronotal callosities, black : ocelli red. Pronotum gray, with buffy admixture on 

 anterior half, obsoletely banded arcuately over humeri with broad whitish 

 vittse. At mid-lateral pronotal margins broad white vittae ascend to a junction 

 with white spot at mid-dorsal line, bordered anteriorly (obscurely) and pos- 

 teriorly (sharply and broadly) with blackish brown, which is continued across 

 elytra, and becomes grayish toward pronotal apex ; sub-apical transverse vitta 



