No. 34-] HEMIPTERA OF CONNECTICUT: MEMBRACIDAE. I97 



laid in September, hatching about the middle of May, and the 

 nymphal instars averaging respectively ten, six, five, ten and four- 

 teen days in reaching maturity. Mating begins a few days after 

 the last molt and oviposition begins during the same week. 



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



New Haven, 15, 20 June, 1904; 20 June, 1905; 17 June, 1912 (W. E. B.) ; 

 6 July, 1904 (H. L. V.) : 9, 18 June, 1914 (M. P. Z.) ; Wallingford, 25 

 June, 1912 (D. J. C.) ; Stonington, 16 June, 1914 (I. W. D.) ; Branford, 

 13 June, 1918 (B. H. W.) ; Lyme, 4 July, 1911 (H. B. K., A. B. C) ; 

 Hamden, 11 June,, 1921 (B. H. W.) ; North Branford, 12 June, 1921 

 (B. H. W.) ; Huntington, 9 July, 1920 (B. H. W.). 



C. sculptus (Fairmaire). 



1846. Thelia sculpta Fairmaire. Rev. Memb., 307. 5. 



1867. Cyrtosia sculpta Stal. Ofv. Kongl. Vet-Akad. Forh., 24. 554. 



1894. Cyrtolobus sculptus Coding. Cat. Memb. N. A., 432. 109. 



Common on white oak. A small well-marked species distin- 

 guished by the prominent straight oblique stripe extending from 

 the anterior margin of the dorsal crest where it is more or less 

 dilated, to about the middle of the lateral margin of the pronotum. 

 This stripe is white, bordered before by a narrow band of light 

 brown and behind by a broader band of dark brown. The pos- 

 terior process is heavy, blunt and tectiform and just reaches the 

 apices of the tegmina which are smoky-hyaline. 



The life history is not known. The species has been recorded 

 from Connecticut only by Mr. L. B. Woodruff who reports that 

 he has taken it on black oak, white oak and red oak, but chiefly on 

 black oak. 



Hosts : White oak, black oak, red oak. 



Litchfield, II July, 1912 (L. B. W.). 

 C. intermedius (Emmons). 



1854. Cyrtosia intermedins Emmons. N. Y. Agr. Rept., v. PI. 13, 

 fig. 16. 



1894. Cyrtolobus intermedius Coding. Cat. Memb. N. A., 433. 



Not common and hard to delimit. The color is chestnut-brown 

 and if constant should be a good superficial character. The 

 pronotum is low and gradually arcuate with shallow compressions. 

 The posterior process is short and straight, not reaching the tips 

 of the tegmina which are hyaline with the bases brown and 

 punctate. 



The life history is not known. 



Hosts : White oak, red oak. 



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

 C. cinctus Van Duzee. 



1908. Cyrtolobus cinctus Van Duzee. Stud. N. A, Memb., 86. 



Rare. The females are large and greenish with a prominent 

 curved pronotal stripe of dark brown ; the males are smaller, very 

 dark brown with obsolete markings. The tegmina of both sexes 

 are hyaline with the bases greenish and punctate. 



