564 LIST OF HOMOPTEEOUS INSECTS. 



chest ; hind border convex in the middle, concave on each side, 

 fore-sides nearly straight, slightly retuse ; middle suture distinct, 

 extending to the face, whose hind border is almost obconical and 

 occupies less than half the length of the head : fore-chest roughly 

 punctured, vertical like the head, inclined backward, but not an- 

 gular between the shoulders, which are produced into long acute 

 horns with black tips and with a pitchy stripe on each side of 

 the triangular compartments between their tips and the base of 

 the wings ; keel rather deep, black along the ridge towards the 

 tip, with a semicircular furrow on each side, concave beneath 

 towards the tip, which is attenuated and very acute and extends to 

 the tip of the abdomen : breast yellow : hind borders of the abdo- 

 minal segments pitchy : oviduct black ; hips yellow : wings colour- 

 less ; veins yellow: fore-wings punctured at the base ; four discoidal 

 areolets. Length of the body 4 lines ; of the wings 10 lines. 



a. United States. Presented by the Entomological Club. 



Group 3. Fairm. Ann. Soc. Ent. Fr. 2me Serie, iv. 309. 



28. Thelia monticola. 



Thelia monticola, Fairm. Ann. Soc. Ent. Fr. 2me Serie, iv. 309, 14, 



pi. 5, f. 16. 

 Membracis monticola, Fabr. Syst. Rhyn. 7, 4. 

 M. Cissi, Harris. 

 a. United Slates. Presented by the Entomological Club. 



29. Thelia excelsa. 



Thelia excelsa, Fairm. Ann. Soc. Ent. Fr. 2me Serie, iv. 310, 15. 

 Mexico. 



30. Thelia acuminata. 



Thelia acuminata, Fairm. Ann. Soc. Ent. Fr. 2nie Serie, iv. 310, 16, 



pi. 5, f. 15, Gmel. Ed. Syst. Nat. 2094, 67. 

 Cicada acuminata, Linn. 

 Membracis acuminata, Fabr. Ent. Si/st. iv. 11, 13. Oliv. Enc. 



Meth. 665, 21. 

 Centrotus acuminatus, Fabr. Syst. Rhyn. 18, 9. 



North America. 



