, BlOLDGY OF THE MeMBRACIDAE OF THE CaYUGA LaKE BahIN 269 



on the same host. Peculiar ])ecaiise of its uniform dark brown color 

 without markings. 



Technical description. — Near preceding species in appearance, but smaller, darker, and with 

 lower crest; dark sordid brown with faint transverse bands; head projecting slightly forward; 

 posterior process just reaching tips of tegmina; tegmina strongly marked with brown, apices 

 lighter. 



Head somewhat extended forward, yellow, mottled with deep brown, deeply punctate 

 with browii, not pubescent, a black spot at base of head above each ocellus; eyes large, brown, 

 lighter in color than remainder of head; ocelli small, pearh', about equidistant from each other 

 and from the eyes; clypeus convex, sculptured, a brown line on each side, tip continuing 

 rounded inferior outline of face. 



Pronotum dark brown, transverse fascia extending from anterior base of crest to lateral 

 margin of pronotum, this fascia light bro^\'n before and very dark l^rown behind; entire 

 pronotum deeply and densely punctate; humeral angles weak, angular but blunt; dorsal 

 crest regularly arcuate from above humeral angles to base of posterior process; posterior 

 process heavy, short, blunt, just reaching apices of tegmina. 



Tegmina smoky brown, apical cells lighter, apical margins fuscous, bases and costal margins 

 roughly punctate. Legs and undersurface of body flavous. 



Length 6 mm.; width 2.5 mm. 



42. Cyrtolobus inuticiis Fabricius (Plate xxvm, 3) 



1776 Membracis mutica Fabr., Gen. Ins., p. 297, nos. 12, 13. 

 1781 Fabr., Spec. Ins. 2:318, no. In. 



1787 Fabr., Mant. Ins. 2:265, no. 2.3. 



1788 Gmel., Ed. Syst. Nat. 2:209.3. 

 1792 OUv., Enc. M6th., p. 663, no. 11. 

 1794 Fabr., Ent. Syst. 4: 15, no. 29. 

 1803 Centrot%LS mutica Fabr., Syst. Rhyng., p. 21, no. 24. 

 1869 Cyrtosia mutica Stal, item. Fab. 2:25. 



1890 Van Duzee, Psyche 5:390. 



1894 Cyrtolobus inuticiis Godg., Cat. Memb. N. A., p. 431. 



1908 Van Duzee, Stud. N. A. Memb., p. 83, pi. 2, fig. 16. 



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



1915 Metcalf, Horn. No. Car., p. 8. 



1916 I Van Duzee, Check List Hem., p. (il, no. 1695. 



Very rare. One specimen now in Cornell collection taken at Ithaca 

 on June 27, 1885, by an unknown collector, and one specimen collected 

 on June 14, 1914, by H. H. Knight, are the only records for the basin. 

 No data on hosts or life history. 



Technical description. — Yello-s\-ish tinged with red; transverse band of pronotum often 

 absent; pronotum long; head slightly projecting forward; eyes tinged with reddish; posterior 

 process reaching tips of tegmina; tegmina entirely hyaline or faintly clouded with yellow. 



Head sUghtly protruding forward, yellow with red pimctures, sculptured, not pubescent; 

 base irregidarly sinuate; eyes gray marked with red; ocelli small, translucent, somewhat 

 nearer to each other than to the eyes; clypeus swollen, convex, continuing inferior outline 

 of face, tip slightly extended, hairy; antennae prominent. 



Pronotum yellowish with irregular reddish areas, deeply and roughly punctate, not pubes- 

 cent; transverse band when present pale with reddish borders; humeral angles weak, blunt; 



