Family Dolichopsyllidae Baker 53 



1928 Ceratophyllus gallinae Jordan, Nov. Zool., 34: 182. 



1929 Ceratophyllus gallinae Jordan, Nov. Zool., 35:171. 

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



1933 Ceratophyllus gallinae Stewart, Jour. New York Ent. Soc, 41: 255. 

 1937 Ceratophyllus gallinae Jordan, Nov. Zool., 40:285 



Male. Chaetotaxy of the head and general structure essen- 

 tially as in the other species of the genus. Pronotal ctenidium 

 consisting of about fourteen spines on a side. Modified seg- 

 ments: Process of the clasper short, less than half as long as 

 the movable finger; armed at the apex with one long bristle and 

 two much shorter ones. Movable finger widest apically, where 

 the anterior margin is concave, the posterior convex; posterior 

 margin armed with three long bristles and several much shorter 

 ones; anterior and dorsal margins armed with a number of 

 small setae. Penis slender, terminating in a long curved proc- 

 ess; spring long and conspicuous, completing one or two turns. 

 For further details concerning the structure of the male geni- 

 talia, see Plate XIII, fig. 62. 



Female. General structure and chaetotaxy essentially as in 

 the male. Head of the receptaculum seminis wider and more 

 prominent than in other species of the genus. Sternite VII 

 without a sinus, the posterior margin convex. For further 

 details concerning the structure of the female genitalia, see 

 Plate XIII, fig. 63. 



Records. CONNECTICUT— Fairfield, August 16, 1916, in 

 "stomach of Sturnus vulgaris," male and female; Pamfret, June, 

 1934, in "bluebird nest," female, three males (Mrs. K. B. 

 Wetherbee) . MAINE— Eliot, August 21, 1923, in "henhouse," 

 two females (M. A. Stewart). MASSACHUSETTS— Boston, 

 January, 1928, on "clothes in laboratory," three males, two 

 females (M. Hertog). MICHIGAN— Sanilac County, Novem- 

 ber. 1925, in "poultry house," male, two females. 



Eastern hosts. "Man," English Sparrow (Passer domesticus 

 domesticus Linnaeus) , "Henhouse," Eastern Bluebird (Sialia 

 sialis sialis (Linnaeus) ) , Tree Swallow (Iridoprocne bicolor 

 (Vieillot) ) , Chipmunk ("Tamias striatus") . 



Eastern localities. Connecticut, Iowa, Maine, Massachu- 

 setts, Michigan, New York. 



Type material. Location of types not ascertained. "Wohnort: 

 an Hiihnen, Mausen, Fledermausen, Maulwiirfen." 



This species is quite capable of becoming a serious pest of 

 chickens and has already caused damage during one or two 

 outbreaks in our northeastern states. It may be immediately 



