62 



R. NEWSTEAD— THE PAPATACI FLIES (PHLEBOTOMUS) 



The hairy character is well shown in the ilhistrations (PL II., fig. 2, and 

 PI. III., figs. 1, 2), and when denuded (figs. 4-7), the venation can be seen 

 with little difficnlty in properly prepared specimens. The costa is the thickest 



Fig. 4. — Wiiig-ven.atioii of Plilrhrilinmis jvipaiiini! ; upper, ? ; lower, i . 



Fig. 5. — Wing-venation of Phhhoionws vtgerrimus. 



Fig. 6. — Wing- venation of Phlehotomus pcniiciosiis. 



Fig. 7. — Wins-venation of Phlehotrmvis mhmtus. 



of the veins. The sub-costa, in comparison with that of the Culicidae, is very 

 short, curves downward distally, and joins the first longitudinal vein at or about 

 one-fourth of the distance between the base and tip of the wing. The first 



