BlOLOCiY OF THE ^IeMBRACIDAE OF THE CaYUGA LaKE BasIN 273 



1<S9() Alymna carinala Fowler, B. C. A., p. 141. 



1896 Cyrkilohus discoidalis Fowler, B. C. A., p. 141. 



1903 Buckt., Mon. Memb., p. 192, pi. 41, fig. 8. 



1908 Van Duzee, Stud. N. A. Memb., p. 86. 



1909 Smith, Ins. N. J., p. 92. 

 1909 Gargara discmdalis Van Duzee, Flor. Hem., p. 209. 



1915 Cyrtolobus discoidalis jMetcalf, Horn. No. Car., p. s. 



1916 Van Duzee, Check List Hem., p. 60, no. 1676. 



Very rare. One specimen in Cornell collection, taken at Ithaca on 

 June 30, 1891, collector's name not indicated. No other record for the 

 basin. 



Technical description. — Yellowish marked with light brown; distinguished by a brown 

 line on each side of metopidiuni beginning just back of humeral angles and continuing 

 domi over face; posterior process very short, not reaching tips of tegmina; tegmina 

 yellow-hyaline, tips clouded ^\^th light brown. 



Head shghtly broader than long, yellow with brown fascia on each side, this fascia an 

 extension of pronotal band, finiily punctate, not pubescent; base weakly sinuate; inferior 

 margin sharply angular, clypeus continuing outline of face to form apex of triangle; eyes 

 very prominent, gray; ocelli small, yellowish, not prominent, about equidistant from each 

 other and from the eyes; clypeus convex, faint brown line on each side, tip acute, hairy. 



Pronotum yellow marked with light brown, trans\-erse band pale bordered with light 

 browTi; entire pronotum regularly and deeply punctate; humeral angles not prominent; 

 dorsal crest rather low, not strongly compressed; posterior process very short, blunt, apex 

 extending just beyond internal angles of tegmina. 



Tegmina yellow-hyaline, tips faintly clouded with brown, bases light brown and punctate. 

 Unddrsurface of thorax ferruginous; abdomen fiavous. Legs yellowish, femora marked 

 witn brown. 



Length 6 mm.; width 2.8 mm. 



45. Cyrtolobus cinctus Van Duzee (Plate xxviii, 6) 



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



1916 Van Duzee, Check List Hem., p. 60, no. 1677. 



Fairly common on young white oaks in the \dcinity of Rogues Harbor. 

 Seldom taken in any other part of the basin. Recognized by the almost 

 hyaline tegmina and the fine, obscure markings. Life liistor}' not known. 



Technical desaiption. — Female large, greenish with prominent cur^'ed pronotal stripe 

 of dark brown; male small, very dark brown, markings obsolete. 



Femalf. Head broader than long, pale green without markings, sculptured, roughly 

 punctate, smooth depression above each ocellus; eyes large, red; ocelli small, pearly; inferior 

 margin of face sinuate; clypeus extending below line of face. 



Pronotum green fading to yellow, roughly punctate, transverse Une narrow, curved, dark 

 brown, prominent; dorsal crest not hig!i, elliptical, compressed at upper margin; posterior 

 process not reaching tips of tegmina. 



Tegmina hyaline, bases greenish and punctate. Legs and undersurface of body yellow; 

 tarsi ferruginous. 



Length 6.8 min.; width 2.5 mm. 



Male: Head uniform dark brown, almost black; eyes gray; ocelli yellow and prominent; 

 inferior margin of face regularly rounded. 



