FOOD PLANTS OF THF APHIDS.' 183 



Aphis laricis Walker. Kaltenbach, 1874, p. 703. 

 Aphis tcnuior Walker. Walker, 1849c, p. 49. 



Chcrmcs ahictis L. Dreyfus, (geniculatus Ratz. 1843) (lapponicus 

 Chldk. 1889) (laricis Hartig 1S37) (pini, piceae 

 Gleditsch 1774) (strobilobius Blochmann 1887) 

 (viridis Chldk. 1895). Borner, 1908a, p. 207. 

 Chenncs laricis Hartig. Buckton 4, p. 34. 



Cholodkovskya I'iridana (Choi.) CB. (Chermes viridanus Chldk. 1896) 

 (? Pineus viridanus CB. 1907-08). Borner, 

 - i9C9a, p. 499- 

 ? Cnaphalodcs affinis Borner. Borner, 1908a, p. 2ji. 

 Cnaphalqdes lapponicus (Choi.) (Chermes). Borner, 1909a, p. 555. 

 Cnaphalodcs strobilobius (Kalt) CB. (laricis Vallot 1836) (hamadryas 

 Koch 1857) (abietis L. 1761) (atratus 

 Buckton 1883) (coccineus Ratz 1843) 

 (geniculatus Ratz 1843) (lapponicus Chldk 

 1889 var. praecox Chldk. 1894 var. tardus 

 Chldk. 1895) (lariceti Altum 1889) (pini, 

 piceae et abietis Gleditsch 1774) Borner, 

 1908a, p. 208. 

 Lachnus niaatlosits Cholodkovsky. Schouteden, 1906a, p. 204. 

 Lachmis pinicolus Kalt. Buckton, 3, p. 53. 



Pineus (?) viridanus (Chldk.) CB. (? orientalis Chldk 1904). Borner 

 1908a, p. 208. 

 L. laricina Koch, (americana). American Larch. Tamarack, Hackma- 

 tack. 

 Chenncs consolidaltis Patch. Patch, I909d, p. 307. 

 Chenncs lariciafus Patch. Patch, I909d, p. 307. 

 Chermes laricifoliae Fitch. Patch, I909d, p. 296. 

 Lachnus laricifex Fitch. Oestlund, 1887, p. 32. Patch, 1912c. 

 L. sibirica Ledeb. 

 Chenncs ziridulus Cholodkovsky. Cholodkovsky, 191 1, p. 175. 

 Larhmis niactdosjis Cholodkovsky. Cholodkovsky, 1899, p. 469. 

 L. sp. 

 Anisophleba hatna-dryas Koch. Koch, p. 320. 

 Chenncs strobilobius Kalt. Cholodkovsky, 1907, p. 13. (var. tardoides 



Chd.) Cholodkovsky, 191 1, pp. 174, 175. 

 Chenncs z'iridanus Choi. Cholodkovsky, 1907, p. 19. 

 Chermes viridis Ratz (laricis Hartig). Cholodkovsky, 1907, p. 7. 

 Lachnus laricis Koch. Koch, p. 242. 

 Periphyllus laricae Haliday. Zoological Record, 1868, p. 416. 



PICEA. Spruce. 

 P. Abies (L.) Karst, (excelsa Link) (Pinus abies) (Abies excelsa) 

 (Abies picea) Norway Spruce. ■ 

 Aphis abictaria Walker. Walker, 1852, p. 1035. (Host not recorded. 



Name indicates same host as abietis Walker.) 

 Aphis abictina V.'alker. Buckton, 2, p. 44. Walker. 1849a, p. 301. 

 Theobald, 1911-12. 



