The CANADIAN ENTOMOLOGIST. 15 



Gen. ;^i,. — Lachnus. 

 20. abieticola, Kholodkovsky, 1899, Zool. Anz., XXII, 470. 

 :i. l)ogdano\vi, Mordvilko, 1895, oj). c, X\'1II, 97. 

 22. cenibiTe, Kholodkovsky, 1892, op. c, XV, 74 (as var. of pini). 

 i^. ciirtipilosa, Mordvilko, 1895, o]\ c, XVIII, too (as var. of 

 pineus). 



24. farinosus, Kholodkvosky, 1891, Vistn. Yestyestv., No. 8; p. 5 

 [Sep.]. 



25. tiavus, Mordvilko, 1895, Zool. Anz., XVIII, 102. 



26. fuliginosiis, Buckton, 1891, Ind. Mus. Notes, II, 41. 



27. juniperiniis, Mordvilko, 1895, Zool. Anz., XVIII, 102. 



28. maculosus, Kholodkovsky, 1899, op. c, XXII, 469. 



29. persica^, Kholodkovsky, op. c, 472. 



30. piceicola, Kholodovsky, 1896, op. c, XIX, 148. 



31. pichta^ Mordvilko, 1895, ^P- C-' XVIII, 103. 



32. pineus, Mordvilko, op. c, 100 (var. of hyperophila, Koch). 

 }^2i- pinihabitans, Mordvilko, op. c, 98. 



34. pyri, Buckton, 1899, Ind. Mus. Notes, IV, 275. 



35. rosae, Kholodvosky, 1899, Zool. Anz., XXII, 471. 



36. viridescens, Kholodovsky, 1896, op. c, XIX, 509. 

 Gen. 36 and 37. — Eriosoma and Schizoneura (r). 



37. crattegi, Oestlund, 1887, Bull. 27. 



38. glossularis, tTaschenberg, 1887, Verb, blatt. deutsch. Pomol. 

 Ver., 86. 



39. graminis, tGuercis, 1895, Nat. Sicil, XV, 84. 



40. Karschii, Lichtenstein, 1886, Entom. Nachr., 82. 



41. obliqua, Kholodovsky, 1896, Zool. Anz., XIX; 259. 



Gen. 42. — Colopha. 



42. rossica, Kholodkovsky, 1897, Zool. Anz., XX, 146. 



Gen. 45. — Geoica. 



43. cyperi, Schouteden, 1902, Zool. Anz., XXV, 656. 



44. squamosa, Hart, 1894, Rep. Ins. Illinois, XVIII, 95. 



Gen. 46. — Horjnaphis. 



45. papyraceae, Oestlund, 1887, Bull. 19. 



Gen. 47. — Byrsocrypta. 



45. alni (Pemphigus), Provancher, 1890, fFaune Canad. He'm., 320. 



(r) The following' 5 were all described as Schizoneura, some may be 

 Eriosoma. 



