No. 34-] HEMIPTERA OF CONNECTICUT! MEMBRACIDAE. 195 



C. arcuatus (Emmons). 



1854. Cyrtosia arcuata Emmons. Agr. N. Y., v, 154, pi. 13, fig. 14. 

 1894. Cyrtolobus arquatus Goding. Cat. Memb. N. A., 433. 115. 

 1908. Cyrtolobus muticus (in part) Van Duzee. Stud. N. A. Memb., 83. 



Rare. The species, was described from New York but is more 

 commonly found further south. 



Yellowish, tinged with red ; crest high and arising before the 

 humeral angles ; transverse band of pronotum often absent ; pro- 

 notum long; head slightly projecting forward; eyes tinged with 

 reddish; posterior process reaching tips of tegmina ; tegmina 

 entirely hyaline or faintly clouded with yellow. 



Hosts and life history unknown. 



No record from Connecticut. 



C. tuberosus (Fairmaire). 



1846. Thelia tuberosus Fairmaire. Rev. Memb., 307, No. 6. 

 1894. Cyrtolobus tuberosus Goding. Cat. Memb. N. A., 433. 



Very common. The largest species of the genus and recogniz- 

 able by the fact that it is twice as large as any of the other forms 

 of Cyrtolobus in the State. 



The crest is high and the translucent spot which characterizes 

 the genus is very large. The insect is dark brown, mottled with 

 darker brown, the dorsal crest is situated well back on the prono- 

 tum, the posterior process is very short, not reaching the tips of 

 the tegmina, and the tegmina are smoky hyaline tipped with brown. 



The entire life history is apparently spent on one host and the 

 nymphal instars are recognizable but the place and method of 

 oviposition has not been reported. 



Hosts : White oak, red oak, hickory. 



Litchfield,, July (L. B. W.). 

 C. fuscipennis Van Duzee. 



1908. Cyrtolobus fuscipennis Van Duzee. Stud. N. A. Memb., 91. 



Fairly common. This species, also, was described from New 

 York and although it has been very seldom reported since its 

 original description, it is not uncommon. 



It is large, with the pronotum low and the posterior process 

 short. The tegmina are strongly colored with reddish brown and 

 marked with darker. 



The life history is not known. 



Hosts : White oak, red oak, scarlet oak, beech. 



Litchfield, July and Aug. (L. B. W.). 

 C. cinereus (Emmons). 



1854. Gargara cinereus Emmons. N. Y. Agr. Rept., v, 156. 



1893. Cyrtolobus cinereum Goding. Can. Ent., xxv, 172. 



1894. Atymna cinereum Goding. Cat. Memb. N. A., 436. 

 1908. Cyrtolobus cinereus Van Duzee. Stud. N. A. Memb., 91. 



Abundant on white oak. Near the preceding but smaller and 

 with the tegmina almost entirely hyaline. The color is greenish 



