FOOD PIvANTS OP THE APHIDS. 211 



ZYGADENUS. 

 Z. Nuttallii Coult. 



Nectar ophora martini Cockerell. Cocker ell, 1903a, p. 170. 



LILIACEAE. 

 L, sp. 



Aphis sinensis Del Guercio. "Sopra un Giglio della China non ancora 

 classificato." Del Guercio, 1900, p. 137. 



DIOSCOREACEAE. YAM FAMILY. 



DIOSCOREA. Yam. 



D. bulbifera L. Air (Aero) Potato. 

 Aphis minuta Wilson. Wilson, 191 1, p. 60. 



AIMIARYLLIDACEAE. AMARYLLIS FAMILY. 



AGAVE. American Aloe. 

 A. sp. 



Aphis sanibuci Auct. Kalt. Ferrari, 1872, p. 71. 



NARCISSUS. 

 N. sp. 



Aphis dianthi Schrank. Walker, 1850a, p. 394. 

 Rhopalosiphum persicae Sulzer. Lichtenstein, La Flore. 



POLIANTHES. 



P. tuberosa L,. Tuberose. 

 Aphis polyanthis Sulzer. (A. tuberosae Boyer). Passerini, '1863, p. 41. 

 Rhopalosiphum dianthi (Schrank). Williams, 1891, p. 25. 



IRIDACEAE. IRIS FAMILY. 



CROCUS. 

 C. sp. 



Rhopalosiphum dianthi (Schrank) Koch (persicae, Puceron du 



pecher, Morren) (rapae Curtis) (A. 

 floris rapae Curtis) (dubia? Curtis)- 

 (vastator Smee) (persicaecola Boisdu- 

 val). Buckton, 2, p. 17. 



Rhopalosiphum persicae Sulzer. Lichtenstein, Flore Supplement. 



GLADIOLUS. 

 G. dubius Eckl. 

 Rhopalosiphum persicae (Sulzer) Pass. (A. dianthi Schrank) (A. 



vulgaris Kyber) (A. rapae Curtis) (A. 

 dubia Curt.) (A. vastator Smee). Pas- 

 serini, 1863, p. 21. 



