SHELFORD, BLATTODEA. 



Farn. Oxylialoid*. 



Gen. Oxylialoa Bi:. 

 Key to E. African species. 



1. Tegmina smooth (>. jerrcH Reiche and Fairm. 



r. Tegmina with minute recumbent pabescence. 



2. Tegmina attaining end of abdomen . . . . O. deusta Thunb. 

 2' Tegmina not attaining end of abdomen. . . O. variabüis Shelf. 



üxyhaloa variabilis Sheu\ 



Oxyhaloa variabüis Shelford, Ann. Mag. Nat. Hist. (7) vol. 19, p. il, 1907. 



Kilimandjaro: Kibonoto 1,000—1,300 metres (Feb., Apr., Nov.); 3 ?. Previ- 



ously recorded from the interior of Djibouti. The species is very close to O. deusta 



Thunb. {= fulviceps Burm.), which together with 0. ferreti Reiche and Fairm. has 



been recorded from Lake Jipe at Kilimandjaro (von der Decken). 



Farn. PerisphaeriidaB. 



Gen. Oyiiopeltis Gerst. 



Oyiiopeltis eryptospila Wlk. 



Polyphaga cryptospila Walker, Cat. Blatt. Brit. Mus., p. 15 (1868). 



Oynopeltis picta Gerstaecker, Arch. Naturg. XXXV, p. 208 (1869); Von der Decken '.s Reisen 



in Ost-Afrika, III (2), p. 9, pl. 1, ff. 1. 2 (1873). 



Kiliviandjaru »Mischwald»; Kibonoto 1,000 — 1,900 metres; Steppe conntry. 

 ilfertt 3,000 metres. 4 cfc^, 10 ??. Previously recorded from Endara and Mosambique. 



Gen. Derocalyinma Burm. 



The two East African species can be distinguished as follows: 



Males. 



1. Body-length 19 mm., antennae entirely fuscous porcellio Gerst. 



r. Body length 15 mm., antennae with broad pale annulus . . laminjrina Gerst. 



Females. 



1. Length of pronotum : breadth of pronotum : : ööO : 935: antennae 



enterely fuscous porcellio Gerst. 



r. Length of pronotum : breadth of pronotum : : 550 : 1050; anten- 

 nae with broad pale annulus at base and at apex lampyrina Gerst, 



