716 Pomona College Journal of Entomology 



FULLAWAYA n. sen. 

 Type D. saliciradicis n. sp. 

 F. saliciradicis n. sp. On roots of Salix laevigata Bibb., from four to six 

 inches underground. Santa Paula, C'al. 



THOMASIA Wilson 

 Ty])c Ch. populicola Tho.s. 



1. Article III of the antenna- as long or longer than \'I. 2 

 Article III of the antenna" not as long as VI. l 



2. Article III of the antennae co-equal with V'l. populi foliar 

 Article III of the antennse decidedly longer than VI. 3 



3. Vein.s of wings with clouded borders. populicola 

 Wing veins not clouded. negundinis 



i. Antennse nearly as long as the body. viminalis 



Antenna" little more than half as long as the body. 5 



R. Body of adult female nearly black with longitudinal, light-yellow on 



dorsum. salicicola 



Body of adult female green with light green or yellow cross on the 



dorsum. cnici.i 



T. populifoliac (Fitch). On Popitlus frcmvnii Wats. Collected in the cen- 

 tral part of the State by Davidson. Jr. Ec. Ent. Ill, p. 375, IPIO- 



T. populicola (Thos.) \\'ilson. On Populus trichocarpa T. & G. Collected 

 in various parts of Ventura County by the writer. P. C. Jr. Ec. Ent. I, p. .Q<), 1909. 

 T. negundinis (Thos.). On Negundo aceroides Moench. Collected by Dav- 

 idson in the vicinity of Stanford University, Palo Alto. Jr. Ec. Ent. III. )). 376, 

 1910. 



T. viminalis (Mon.). On Salix sp. In the central part of the State by 

 Clarke. Can. Ent. XXXV, p. 21.8, 1903. 



T. salicicola Essig. In Ventura County on Salix laevigata Bebb. and Popu- 

 lus trichocarpa T. & G. P. C. Jr. Ent. Ill, p .'■)3 K 1911. 



T. crucis Essig. In Ventura County on Salix macrostachi/a Nutt. 



SIPHA Passeriiii 

 Type A. glyceriae Kalt. 

 No species reported in this State. 



MICRELLA n. gen. 



Type M. monelli n. sp. 



Cjeiieral Characters 



liodi/ — Very small, rather flat, covered with long, curved hair-like spines 



which are strongly tuberculate at their bases in the young, but less so in the 



adult forms. The general shape is not unlike the members of the genus Thomasia 



Wilson, but much sin.iller. 



Head — Narrower than the prothorax and noticeably small in the adult .■!))- 

 terous females. Antenna- arising from the sides and not on even slight frontal 

 tubercles. 



