130 MISC. PUBLICATION 500, U. S. DEPT. OF AGRICULTURE 



Figuee 5. — A, head of Dactylopsylla bluei, male; B, head of Mioctenopsylla 

 arctica, female; C, head of Catallagia charlottensis, female; D, fifth tarsal 

 segment of leg II of Dasypsyllus gallinulae perpinnatus ; E, antepygidial 

 bristles of Dolichopsylla stylosa, male ; F, antepygidial bristles of Dolichopsylla 

 stylosa, female. 



