No. 31.] INSECTS OF CONNECTICUT: HEMIPTERA. 57 



Pachypsylla Riley, 

 celtidis-gemma Riley. Proc. Wash. Biol. Soc, ii, 74. 

 celtidis-mamma Riley. Ibid., ii, 73. 

 celtidis-vesiculum Riley. Am. Mus. Jour., iv, 35. 

 venusta Osten Sacken. Proc. \\ T ash. Biol. Soc, ii, 72. 



Spanioneura Fcerster. 

 fonscolombii Fcerster. 1 Verh. Zool-Bot. Ges. Wien., 1879, pi. 

 ix, 26. 



Psylla Geoffroy. 



annulata Fitch. U. S. Nat. Mus., Bull. 85, 152. (W. C. W.) 

 buxi Linnaeus. Verh. Zool-Bot. Ges. Wien., 1881, 169. 

 floccosa Patch. Can. Ent., xli, 301. 

 galeaformis Patch. Me. Agr. Expt. Sta., Bull. 187, 12. 

 pyricola Fcerster. pyri. Pear psylla. Rept. Conn. Agr. 



Expt. Sta., 1903, 262. 

 striata Patch. Me. Agr. Expt. Sta., Bull. 187, 14. 



Psyllopsis Fr. Loew. 

 fraxinicola Fcerster. U. S. Nat. Mus., Bull. 85, 132: Rept. 

 N. Y. State Ent., xxvi, 39. 



•This species on Buxus sempervirens has not been identified with certainty. 



Family APHIDID/E. 

 Longistigma Wilson. 

 caryae Harris. Lac Jin us carycc, L. longistigma Monell, L. 

 platanicola Riley. Can. Ent., 41, 385. 



Ancecia Koch, 

 corni Fabricius. ApJiis. ScJiizoncura panicola Thomas. U. S. 

 Dept. Agr., Div. Ent., Bull. 22, 32. 



Todolachnus Matsumura. 

 pinicola Kaltenbach. abictis. Fitch. 5th Rept. U. S. Ent. Com., 



853- 

 strobi Fitch. Me. Agr. Expt. Sta. Bull. 202, 167. 



Calaphis Walsh. 



betulaecolens Fitch. Callipterus. Aphid. Minn., 43. 



castaneae Fitch. Ibid., 44. 



Callipterinella van der Goot. 



annulata Koch. CJiaitopJwrus. Jour. Econ. Ent., 10, 427. 



