No. 34-] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 



107 



D. sandersi Osborn. 



Proc. Dav. Acad. Sci., x, 164, 1907. 



Vertex strongly produced, tip rounded, one- fourth longer than 

 basal width between eyes, more than one-half longer than prono- 

 tum. A pair of heavy black paranthesis spots enclosing tip and an 

 interrupted band before eyes, brownish. Pronotum with longi- 

 tudinal bands. Elytra buff, nervures whitish, heavily bordered 

 with fuscous. Face variable in color from entirely black to pale 

 on lower portion. Female segment with a central rounded lobe, 

 black margined. Male valve triangular, rather short and broad, 

 plates twice longer, tips pointed and divergent. Length 3-3.5 mm. 



DM&Fn Del 



Fig. 11. (1) Deltocephalus areolatus Ball, — head, dorsal view. (2) 

 Deltocephalus obtectus Osborn and Ball, — head, dorsal view. (3a) Delto- 

 cephalus weedi Van Duzee, — head, dorsal view; (3b) same, elytron. (4a) 

 Deltocephalus sylvestris Osborn and Ball, — head, dorsal view; (4b) same, 

 female genitalia; (4c) same, male genitalia; (4d) same, elytron. (5) 

 Deltocephalus pictus Osborn, — elytron. (6a) Deltocephalus pascuellus 

 Fallen, — head, dorsal view; (6b) same, female genitalia; (6c) same, male 

 genitalia. All greatly enlarged. Drawing by D. Ml. and F. M. DeLong. 



