THE FLEAS OF NORTH AMERICA 43 



Dactylopsylla (Foxella) mexicana I. Fox, new combination 



FoxeUa mexicana I. Fox, 1939, Iowa State Col. Jour. Sci. 13 : 337, pi. 1, figs. 1 and 4. 



Type host. — "Pocket gopher." 



Type locality. — Cerro Potosi. Xuevo Leon. Mexico. 



Range. — Known only from the type locality. 



The original description of this species was based on two females 

 and is accompanied by a drawing of the head and terminalia. Ac- 

 cording to the original description of mexicama it is "readily separated 

 from FoxeUa ignota (Baker) by the distinctive chaetotaxy of the 

 head and by the genitalia." 



The Subgenus SPICATA I. Fox 



-<i I. Fox. 1040. Wash. Acad. Sci. Jour. 30: 275. Monotypic. Type, Dac- 

 tylopsylla {Spicata) vara I. Fox. 



With the characters of Dactylopsylla and in addition : In male sternal plate 

 VIII produced posteriorly into a strong, upwardly curved process which bears 

 a ventral fringe of setae, the 6 posterior of which are heavily pigmented and 

 enlarged into stout bristles : sternal plate IX with a pair of long, inner, vertical 

 processes, a conspicuous median apophysis, and a pair of large, posterior pro- 

 cesses, each being divided into a proximal and a distal lobe ; movable finger of 

 clasper long, slightly curved, not hooked backward at apex; manubrium narrow 

 and tapering digitally. 



As stated by I. Fox in the original description : 



* * * In the type subgenus [Dactylopsylla] sternitc VIII is large but not 

 armed with heavy pigmented bristles. In Foxella this sternite is small and 

 bears but a single long bristle near the apex. The manubrium of the new 

 subgenus [Spicata], being narrow and tapering distally, is markedly different 

 from both Foxella and Dactylopsylla {Dactylopsylla) where this structure is 

 short, broad, and triangular. 



Dactylopsylla (Spicata) rara I. Fox 



Dactylopsylla {Spicata) rara I. Fox. 1940, Wash. Acad. Sci. Jour. 30: 275, figs. 



5 and 6. 



Type host — Thomomys fossor Allen (pocket gopher). 

 Type locality. — Jackson County. Colo. 

 Range. — Known only from the type locality. 



The original description of this species was based on a single male 

 and is accompanied by drawings of part of the male terminalia. 



The Genus Mioctexopsylla Rothschild 



(Fig. 5, B) 



MioctenopsyUa Rothschild. 1922, Rpt. Norwegian Exped. Xovaya Zemlya 1921, 

 No. 4. p. 3. Monotypic. Type. MioctenopsyUa arctica Rothschild. 



Boreopsyllus Ewing, 102. . A Manual of External Parasites, pp. 168 and 201. 

 Monotypic. Type, Amphipsylla hadweni Ewing. 



Frontal tubercle sm most hyaline, angolate apically. Forehead with 



2 rows of lateral setae, none of which is spiniform. Eyes large, black. Labial 

 palpus 5-segmented. not reaching to apex of coxa I. Postantennal region of 

 head with 1 incomplete row of setae in addition to a complete marginal row. 

 Pronotal comb with very short, sharply pointed spines which are not heavier 

 in pigmentation than the pronotum itself. Femur I with several lateral setae; 

 coxa III without a row or patch of spinelets on inner surface; segment I of 

 posterior tarsus shorter than II, III, and IV taken together; last segment of 



