Family Dolichopsyllidae Baker 55 



descriptions and the accompanying figures were made from a 

 male and a female taken from a chicken nest at Astoria, 

 Oregon, (H. H. Stage) . 



Ceratophyllus riparius Jordan and Rothschild 



(Plate XIII, figs. 66, 67) 



1920 Ceratophyllus riparius Jordan and Rothschild, Ectoparasites, 1:71, 

 figs. 67, 68, 69. 



1928 Ceratophyllus riparius Stewart, Cornell Univ. Agric. Exp. Sta., Mem. 

 101, p. 869. 



1929 Ceratophyllus riparius Jordan, Nov. Zool., 35: 177. 



1933 Ceratophyllus riparius Stewart, Jour. New York Ent. Soc, 41:256. 

 1933 Ceratophyllus riparius Jordan Nov. Zool., 39: 75. 



Male. Upper of the preantennal rows armed with four to six 

 bristles. Pronotum armed with about sixteen spines on a side. 

 Other details of general structure essentially as in the other 

 species of the genus. Modified segments: Process of the clasper 

 more than three-fifths as long as the movable finger, blunt 

 distally where it is armed with two or three short bristles. 

 Posterior process of sternite IX armed distally with numerous 

 heavily-pigmented bristles. Apex of sternite VIII armed with 

 about eight stout bristles on a side. Penis slender, ending in a 

 curved process; spring long but not completing a turn in the 

 specimen described. For further details concerning the struc- 

 ture of the male genitalia, see Plate XIII, fig. 67. 



Female. General structure essentially as in the male. Re- 

 ceptaculum seminis similar to that of other species of the genus. 

 Sternite VII divided by a deep sinus into two lobes, of which 

 the lower is acutely pointed and projects further distad than the 

 upper lobe (Plate XIII, fig. 66) . 



Records. MINNESOTA— No specific locality, May 29, 1930, 

 on "bank swallow," female, two males. NEW YORK— West 

 Albany, July 12 to 19, 1933, in "barn swallow burrow," three 

 males (D. Stoner) ; Freeville, May 22, 1933, same host, two 

 males, two females (W. J. Hamilton) ; Oneida Lake, May, June, 

 and July, 1931, in "nests of bank swallows," numerous speci- 

 mens (D. Stoner) . 



Eastern hosts. Bank Swallow (Riparia riparia riparia Lin- 

 naeus) , Belted Kingfisher ("Ceryle alcyon") , "Barn Swallow." 



Eastern localities. New York, Wisconsin, Virginia. 



Type material. A series from nest of "Riparia riparia" at 

 Bay View, Milwaukee, Wisconsin, in the N. C. Rothschild Col- 

 lection (British Museum) . 



