Biology of the Membracidae of the Cayuga Lake Basin 251 



Head broader than long, ruggedly sculptured, yellowish with large punctures and .splashes 

 of brown, sparingly pubescent; base regularly sinuate; eyes large, very prominent, brown; 

 ocelli small, pearly, not prominent, nearer to each other than to the eyes; inferior margin of 

 vertex deeply sinuate; clypeus subtriangular, coarsely punctate with brown, tip extended 

 below line of face, hirsute. 



Pronotum ferruginous brown mottled with darker, densely and coarsely punctate thruout, 

 not pubescent; humeral angles prominent, triangular, flattened, blunt; dorsal crest as high 

 as its width at base, sloping backward, tip and posterior margin compressed, posterior margin 

 step-shaped; transverse brown fascia extending from posterior margin of crest to lateral 

 margin of pronotum; posterior process long, slender, acuminate, extending beyond tegmina. 



Tegmina smoky hyaline, basal third punctate, veins prominent, apex clouded with brown. 

 Undersurface of thorax fuscous; abdomen brown. Legs ferruginous mottled with brown; 

 tibiae hairy. 



Length 10 mm.; width between humeral angles, 6 mm. 



24. Telamona pyminiddtu Lliler (Plate xxvi, 14) 



1877 Telamona -pyramidata Uhler, Wheeler's Kept. App. J., no. 1333. 

 1890 ' Van Duzee, Psyche 5:391. 



1894 Godg., Cat. Memb. N. A., p. 422. 



1895 Gillette and Baker, Hem. Colo., p. 67. 

 1908 Van Duzee, Stud. N. A. Memb., p. 64. 



1913 Branch, Kans. Univ. Sci. Bui. 8: 104, figs. 30, 31, 84. 



1916 Van Duzee, Check List Hem., p. 59, no. 1629. 



Rare. Occasionally taken on chestnut oak (Quercus Frinus). A 

 medium-sized, mottkid brownish species with a stripe of lighter shade 

 along the median dorsal line. The crest is high and gradually acuminate. 

 The habits and life history ai'e unknown. 



Technical description. — Long, narrow body; crest triangular and pyramidal, as the name 

 would suggest; mottled brown with a dark traiLSverse fascia extending from tip of crest to 

 lateral margin of pronotum, and a second shorter fascia behind it; posterior proce.ss exceeding 

 tips of tegmina; tegmina hyaline, punctate at bases, brown at apices. Differs from preceding 

 species chiefly in shape of dorsal crest. 



Head wider than long, yellowish with large irregular punctures of brown, sparingly pubes- 

 cent; base regularly sinuate; eyes large, prominent, gray; ocelli large, prominent, somewhat 

 protruding, translucent; clypeus subtriangular, sutures distinct, apex slightly produced, hairy. 



Pronotum deeply punctate, not pubescent; metopidium convex, decorated with patches 

 of j'e.llov;ish and dark brown, median carina prominent, heavy, black broken by circular 

 areas of yellowish; humeral angles prominent, tectiform, blunt, brownish; dorsal crest tri- 

 angular, rounded at tip, margin flattened and brown, posterior margin pale; posterior process 

 long, slender, slightly curving downward, extending beyond tips of tegmina; median carina 

 percurrent. 



Tegmina hyaline, bases and costal margins coarsely punctate but not pubescent, tips 

 brown. Undersurface of thorax flavous; abdomen dark brown. Legs yellowish; tibiae 

 mottled with brown, hairy; tarsi flavous; claws ferruginous. 



Length 9-11 mm.; width 5-6 mm. 



25. Telamona barbata Van Duzee (Plate xxvi, 15) 



1908 Telamona barbata Van Duzee, Stud. N. A. Memb., p. 65. 



1912 Matausch, Bui. Amer. Mus. Nat. Hist. 31 : 333, pi. 29, fig. 9. 



1916 Van Duzee, Check List Hem., p. 59, no. 1630. 



