288 Annals Entomological Society of America [Vol. IX, 



EXPLANATION OF PLATES. 



Pl.\te XI IL 

 Penthalodes niytilaspidis Riley. 



Fig. L A nearly lateral view of palpus. 



Fig. 2. Dorsal view of adult showing distribution of bristles, and right 



foreleg. 

 Fig. 3. Tip of tarsus, showing appendages (lateral view). 

 Fig. 4. Same (ventral view). 



Plate XIV. 

 Tetranychus citri sp. nov. 



Fig. L Right foreleg (dorsal). 

 Fig. 2. Frontal and subfrontal bristles. 

 Fig. 3. Attachment of dorsal bristles to tubercle. 

 Fig. 4. Penis. 



Fig. 5. Profile view of female (only pro.ximal portion of legs shown) . X 166. 

 Fig. 6. Tip of tarsus with appendages. 

 Fig. 7. Section of palpus of male showing tubercled spur. 

 Fig. 8. Dorsal outline of male showing distribution of dorsal bristles. X 436. 

 Pig. 9. Left palpus of female (outer view) showing "thumb," claw, and other 

 appendages. 



