Sept.-Dec, 1920.] WoODRUFF : FURTHER NoTES. 213 



In the paper cited a new species, O. grisca, was described, based 

 upon a considerable series of females only. The absence of males 

 was there commented on, and the hypothesis suggested that the males 

 might occur early in the season and die soon after mating, the females 

 persisting much later. Such proves to be the case. The past season's 

 collecting in the type locality was begun much earlier than usual, and 

 not only were many additional females of this new species taken, but 

 the male was also found in considerable numbers, sixteen specimens 

 having been secured in association with the opposite sex, three of 

 them paired and in copulation. The dates of capture of the males 

 ranged from June 22 to July 8, the latter date being the date of cap- 

 ture of the first female the season previous; and the host plant was 

 usually Oucrcus coccinca as it had proved to be in the case of the 

 female specimens taken the year before. The description of the 

 male is therefore now available and is here presented: 



Ophiderma grisea Woodr. 



Male. — Allotype: Slender; hairy pubescent on face and pronotum, a little 

 more sparsely posteriorly. Rather coarsely punctate, more or less glabrous. 

 Pronotum in form as in female, though proportionally somewhat shorter. 

 Color brown to black, vittoe creamy to white. Face and clypeus creamy to 

 white, sutures and callosities black. Pattern as in male of O. pubesccns, 

 which it resembles, though much smaller, very much more slender, and gener- 

 ally darker. Elytra as in female, but black band crossing mid-elytra, so con- 

 spicuous in that sex, obsolescent, commonly not reaching margin. Body be- 

 neath black, abdominal segments edged posteriorly with pale. Legs pale, fe- 

 mora above and tibiae anteriorly black. Length 5-5 H mm. 



Allotype in my collection. Taken by me at Litchfield, Conn., June 

 29, 1920, on Qucrcus coccinca. Paratypes will be placed in the Na- 

 tional Museum at Washington and in the American Museum of 

 Natural History at New York. 



In the key to the species of the genus, presented with the paper 

 above referred to, this male should perhaps best be placed in the 

 group without dark mid-elytral band, as that character in this sex 

 seems to be subject to a tendency to disappear, and so might find its 

 place under G. (page 260) after J* pubesccns Emmons (the length 

 of which should read 5V2-6 mm.), with indicia as follows: 



Dark brown to black; slender, 5-5^ mm. in length; strongly arcuate humoral 

 and transverse apical vitt.x creamy to white ; mid-elytral band indicated. 



(^ grisea Woodr. 



