136 MISC. PUBLICATION 5 00, U. S. DEPT. OF AGRICULTURE 



Figure 11. — A, combs of Eptescopsylla chapiril, female; B, genitalia of Myodop- 

 sylla collinsi, male; G, combs of Myodopsylla insignis, female; D, head of 

 Sternopsylla texana, male; E, head of Myodopsylla collinsi, female. 





