GENERIC CLASSIFICATION OF APHIDIDAE. 37 



Genus FULLAWAYA Essig. 



1012. Fullawaya Essig, Pomona Coll. Journ. Ent., v. 4, p. 716. 



The genus Fullawaya seems to bear somewhat the same relation to 

 Chaitophorus that Monaphis does to Myzocallis. Were it not for the 

 hairy condition of the antennae and the character pf the cauda and 

 anal plate, Fullawaya might he placed as a synonym of Monaphis, 

 but it is evidently unrelated. 



Characters. — Cornicles absent; antennae of six segments, armed with rather long 

 bristle-like hairs, sensoria small and circular, cauda rounded and armed with long 

 curved hairs. Fore wings with the media twice branched, hind wings with both 

 media and cubitus present. 



Forms Irving upon the roots of plants. 



Type (mono typical), Fullawaya saliciradicis Essig. 



Tribe GREENIDEINI. 



The tribe Greenideini was first separated by Wilson under the 

 name Trichosiphina. The insects falling here show a most remarkable 

 development of the cornicles. These are sometimes as long as the 

 entire body in the alate forms. In the apterous individuals they are 

 usually swollen. In both they are very thickly covered with long 

 hairs, a condition not met with in any of the other Aphidinae with 

 long cornicles. It is true that some species of Macrosiphum and occa- 

 sionally species of the other genera show here and there minute hairs 

 on the cornicles, but they do not approach in any way members of 

 this tribe in cornicle armature. The development of the cauda in 

 this group is also remarkable. 



Characters. — Cornicles present and remarkably developed into cylindrical or slightly 

 swollen tubes often as long as the body and thickly covered with long hairs. Antennae 

 of five or six segments armed with oval or subcircular sensoria. Males winged. Forma 

 living free upon the foliage. 



Key to Genera of Greenideini. 



1 . Antennas of five segments Eutrichosiphum. 



Antennae of six segments 2. 



2. Fore wings with the media twice branched, hind wings with both 



media and cubitus present Greenidea. 



Fore wings with media once branched, hind wings with neither media 

 nor cubitus present Greenideoida. 



Genus GREENIDEA Schouteden. 



Plate V, F-K. 



1905. Greenidea Schouteden, Spol. Zeylan, v. 2, p. 181. 



1906. Trichosiphum Pergande, Ent. News, v. 17, p. 206. 



In 1905, Schouteden erected a genus for the SipTionopliora artocarpi 

 of Westwood and redescribed the species, giving details lacking in 

 Westwood's paper. Pergande erected his genus Trichosiphum, 

 making his anonae the type. The characters Pergande used to sep- 

 arate his genus were in reality those of Greenidea. 



