Vol. VI] FERRIS— AN OPLURA 153 



Genus Hoplopleura Enderlein 



Hoplopleura Enderlein, Zool. Anz., Vol. 28, pp. 221-223 

 (1904) ; Dalla Torre, Gen. Ins., Anopl., p. 14 (1908) ; Fahren- 

 holz, 2-3-4th Jahresb. Niedersach. Zool. Ver., pp. 44-46 

 (1912) ; Kellogg & Ferris, Anopl. & Mall, of N. Am. Mam., 

 pp. 15-16 (1915). 



Hcematopinus (Polyplax) Neumann, Arch, de Par., Vol. 

 13, p. 531 (1909). 



Antennae similar in the sexes. Anterior legs small with 

 slender claw; middle legs larger with stouter claw; posterior 

 legs very stout with stout, heavy claw and usually with a small, 

 pointed protuberance on the anterior margin of the tibia. Fe- 

 male with most of the abdominal tergites divided into three 

 transverse plates, each bearing a row of spines. Males with 

 most of the abdominal tergites and sternites divided into two 

 plates or undivided, but with some divided into three. Ante- 

 rior division of the third sternite in both sexes with two pairs, 

 or with two groups of three very stout and conspicuous spines. 

 Pleural plates present. 



From Muridce and Sciuridce (Rodentia). 



Type of the genus Hoplopleura acanthopus (Burm.). 



1 — Hoplopleura acanthopus (Burm.). Type from Microtus 

 arvalis (Europe). Also from Microtus agrestis, Mus mus- 

 culus and (?) Sorex araneus (Europe) and Dicro stony x 

 torquatus ( Pitlekaj ) . 



1839. Pediculus acanthopus Burmeister, Gen. Rhyn., 



No. 5, pi. 1, f. 2. 

 1842. Hcematopinus acanthopus Denny, Mon. Anopl., 



p. 25 ; pi. 24, f. 3. 

 1864. Pediculus acanthopus Nitzsch, Zeits. f. ges. 



Naturw., Vol. 23, p. 27. 

 1874. Hcematopinus acanthopus Giebel, Ins. Ep., pp. 



36-37; pi. 2, f. 3. 

 1880. Hcematopinus acanthopus Piaget, Les Ped., pp. 



638-640; pi. 52, f. 4. 

 1904. Polyplax acanthopus Enderlein, Zool. Anz., Vol. 



28, p. 142. 

 1904. Hoplopleura acanthopus Enderlein, Ibid., Vol. 

 28, pp. 220-223, f. 1-2. 



