440 Illinois State Laboratori/ of Natural History. 



lose. Tegmina with apex and costal half of base brown, else- 

 where clear. Abdomen yellow, tip brown; femora black, tibia? 

 and tarsi yellow. Lengtb 0.2 ram. 



Described from one specimen. Type in author's collection. 

 Hah.— Hi. J. and Penn. (Lieheck), N. Y. [GotHiiy) Fla. 

 and Md. {Vaii Duzee). 



135. 0. NiGRiCEPHALA, Emmons. 



1854. Garyara nigricepltala. Emmons, Agr. N. Y. v, 

 157, pi. 13, fig. 5. 

 Hah.—^. y. {Emmons). 



XXII. VanDUZEA, n. gen. 

 1890. Van Duzee, Psyche, v, 389. 



Closely related to Ophiderma, Fairm., but separated there- 

 from by the transverse apical cell of the tegmina, which in the 

 former genus is triangular and stylated. 



Type of genus Memhracis arquata, Say. 



13(3. V. ARciUATA, Say. 



1831. Meinbracis arquafa. Say, Journ. Acad. Nat. Sci. 



Phila. vi, 302, 12. 

 1851. Carynota arquata. Fitch, Cat. Horn. N. Y. 48, 

 '()51. 

 Carynota arquata. Walk. List Horn. B. M. 1144, 2. 

 1859. Memhracis arquata. Say, Corapl. Writ, ii, 380, 



12. 

 1869. Caranota arauatal Rathvon, in Mombert's Hist. 



Lancaster Co. Pa. 551. 

 1878. Carlucta arquata. Glover, MS. Journ. Tlom. pi. 



2, fig. 24. 

 1890. Ophiderma arquata. Van Duzee, Psyche, v, 389. 

 (Suggests new genus.) 

 OphideriHa arquata. Smitli, Cat. Ins N. J. 442. 

 Hab.—Venvx. (Say), West. States (Riley), Can. (Van 

 Duzee), N. J. (ISmlth), N. C. (Van Du:ee), Mich. 

 (Cook). 



137. V. VESTITA, n. sp. 



Head broad, black, perpendicular, triangular, a narrow 

 dusky brown mark on upper edge just below origin of carina 



