Family Dolichopsyllidae Baker 47 



Odontopsyllus multispinosus Baker 



(Plate VII, figs. 29, 30, 31) 



1898 Pulex multispinosus Baker, Jour. New York Ent. Soc, 6:54. 



1904 Ceratophyllus multispinosus Baker, Proc. United States Nat. Mus., 

 27:389, PI. XII, figs. 1-5. 



1905 Odontopsyllus multispinosus Baker, Proc. United States Nat. Mus., 

 29: 131. 



1928 Odontopsyllus multispinosus Jordan, Nov. Zool., 34: 185. 



1929 Odontopsyllus multispinosus Jordan, Nov. Zool., 35:175. 



1934 Odontopsyllus multispinosus Shaftesbury, Jour. Elisha Mitchell Sci. 

 Soc, 49:254. 



Male. Bristles of the preantennal region arranged in two 

 rows. Upper row consisting of four to six bristles, lower row 

 consisting of three much longer and more robust ones. Genal 

 process prominent, acuminate. First antennal segment with 

 numerous small setae, second antennal segment with five or six 

 bristles which are not longer than the third joint. Numerous 

 small setae located along the posterior margin of the antennal 

 groove. Postantennal region armed with three bristles located 

 in the region of the second antennal segment and a marginal 

 row of about eight bristles of which two located at the lower 

 angle are very stout and prominent. Pronotum with a pos- 

 terior row of alternating weak setae and stout bristles, anterior 

 to which there is a row of about three bristles. Middle region of 

 the lower pronotum further armed with a long stout bristle. 

 Meso- and metanotum each armed with three or four rows of 

 bristles. Each abdominal tergite armed with two rows of 

 bristles anterior to which there may be another row consisting 

 of about three short bristles. The abdominal tergites further 

 armed with one or two short, stout black teeth on a side. 

 Modified segments: Clasper more or less rectangular in shape, 

 the process not distinctly set off from the remainder. Movable 

 finger more or less quadrangular, armed with a number of 

 bristles of various sizes along the margins. Most conspicuous 

 among these are four, long, stout ones located ventrally. Manu- 

 brium tapering to a sharp point. Penis broad and heavy; spring 

 short, not completing a single turn. Posterior arm of sternite IX 

 expanded apically where it is armed with seven or eight short 

 bristles. For further details concerning the structure of the 

 male genitalia, see Plate VII, fig. 30. 



Female. Bristles of the upper preantennal row weaker than 

 in the male (Plate VII, fig. 29) . Sternite VII not divided by a 

 deep sinus. Receptaculum seminis large and conspicuous, the 



