58 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



Euceraphis Walker. 

 betulae Koch. Callipterus. Jour. Econ. Ent., 10, 425. 

 mucida Fitch. Callipterus. Ibid., 425. 



Monellia Oestlund. 

 caryae Monell. Callipterus. U. S. Dept. Agr., Bull. 100, 19. 

 castalis Fitch. Jour. Econ. Ent., 10, 424. 



Myzocallus Passerini. 

 discolor Monell. Callipterus. Aphid. Minn., 41. 

 punctatellus Fitch. Aphis. Jour. Econ. Ent., 10, 420. 

 ulmifolii Monell. Callipterus. Aphid. Minn., 42. 



Therioaphis Walker. 

 tilliae Linnaeus. Aphis. Ann. Ent. Soc. Am., 2, 33. 



Chaitophorus Koch. 

 nigrae Oestlund. cordata Williams. Jour. Econ. Ent., 429. 

 viminalis Monell. stevensis Sanborn. Aphid. JVIinn., 40. 



Neothomasia Baker. 



bruneri Williams. Chaitophorus. Univ. Studies, Lincoln, Neb., 



II, No. 3, reprint 6. 

 populicola Thomas. Me. Agr. Expt. Sta., Bull. 213, 78. 

 Periphyllus Van der Hoven. 



americanus Baker. Jour. Econ. Ent., 10, 428. 

 lyropicta Kessler. Ibid., 10, 428. 



Drepanaphis Del Guercio. 



acerifoliae Thomas. Siphonophora. Drepanosiphum. Kan. 

 Univ. Sci., Bull., 3, 45. 



Drepanosiphum Koch. 

 platanoides Schrank. Aphis. Jour. Econ. Ent., 2, 346. 



, Phyllaphis Koch, 

 fagi Linnaeus. Beech aphid. Aphid. Minn., 32. 



Melanoxantherium Schouteden. 

 media Baker. Jour. Econ. Ent., 10, 431. 

 smithiae Monell. Melanoxanthus. Jour. Econ. Ent., 2, 387. 



Aphis Linnaeus. 

 cardui Linnaeus, pruni. prunifolice. Me. Agr. Expt. Sta., Bull. 

 233, 263. 



