26 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. XXVIII. 



claws. The most abundant species on orange is a yellowish form, 

 T. i<e,i')ii((ctihitif.-i Rile}'. At times it is a very serious pest to orange 

 culture, and an artit'lo upon it is found in the Report of the Ento- 



FiG. 33. Bryobia PRATENSis— a, Female from above; 6, female from below; r and d, tarsal 



CXAWS; €, BEAK FROM BELOW;/, BEAK FROM ABOVE; (I, PALPI'S; h, i.j, k, I, Vl, SCALES AND .SPINES 

 of varying SHAPE (BUREAT OF ENTOMOLOGY). 



mologist for 1889. They occur on the under surface of the leaves: the 

 eg-o's are colorless or pale greenish-yellow. 



In T, h/color Banks, a species connnon on the leaves of oak and 

 chestnut, the tarsus has but one claw. The form occurring on cotton 

 is known as T. gloverl Banks; it is bright red, and greatly resembles 



