96 Maine Agricultural Experiment Station. 1918. 



C. sp. 



Siphocoryne capreae Fab. (aegopodii Scopoli) (umbellatorum 

 Koch) (cicutae Koch), van der Goot, 1915, p. 163. 



CAUCALIS. (Turgenia). 



C. latifolia L. (Turgenia latifolia L.). 



Aphis papaveris Fab. (A. fabae Scop.) (A. aparines Schrank). 

 Passerini, 1863, p. 46. 



CHAEROPHYLLUM. 



C. temulum L. 



Aphis capreae Fab. (aegopodii Scopoli). Kaltenbach, 1843, p. 110. 



Aphis chaerophilli Koch. Koch, p. 80. 



Aphis pisi Kalt. Kaltenbach, 1874, p. 118. 

 C. tuberosum. 



Aphis chaerophylii Koch. Theobald, 1915b. 

 C. sp. 



Siphocoryne capreae Fab. Lichtenstein, La Flore. 



Siphonophora ulmariae (Schrank, Walker) (onobrychis Boyer) 

 (pisi Kalt.) (pisi Koch) (gei Koch). Passerini, 1863, p. 13. 



CICUTA. Water Hemlock. 



C. maculata L. Spotted Cowbane. Musquash Root. Beaver Poison. 



Nectarophora sp. Osborn-Sirrine. Hunter, 1901, p. 123. 

 C. virosa L. 



Rhopalosiphum cicutae Koch. Koch, p. 24. 



Rhopalosiphum nymphaeae (Linn.) Koch (A. butomi Schrank) 

 (R. najadum Koch). Passerini, 1863, p. 21. 



CONITJM. Poison Hemlock. 



C. maculatum L. 



Aphis capreae Fab. (cicutae Koch). Kaltenbach, 1874, pp. 291, 

 266. 



Aphis capreae Fab. (A. aegopodii Scopoli). Kaltenbach, 1843, p. 

 110. 



Aphis xylostei Schrank (lonicerae Boyer). Kaltenbach, 1874, p. 

 307. 



Hyadaphis xylostei Schrank. (Siphocorjoie conii Davidson). Dav- 

 idson, 1914, Jour. Ec. Ent., Vol. 7, p. 134. 

 C. sp. 



Siphocoryne foeniculi Pass. Lichtenstein, La Flore. 



CRITHMUM. 

 C. maritimum L. 



Aphis crithmi Buckton. Buckton, 1886, p. 324. 



CRYPTOTAENIA. Honewort. 

 C. Canadensis DC. (Chaerophyllum canadense). 



