22"? 



SOME NEW SPECIES OF BLATTID/E 



IN THE BRUSSELS MUSEUM 



by R. She I ford, MA. 



THEGANOPTERYX CONGOENSLS, sp. n. 



o'" ?. Pale testaceous. Pronotum transversely elliptical, lateral 

 margins broadly hyaline. Tegmina exceeding apex of a"bdomen, 

 clear testaceous, marginal field broad, radial vein simple, 11 costals 

 some bifurcate, 5 slender oblique discoidal sectors, posterior ulnar 

 simple. Wings hyaline, mediastinal vein simple, 8 costals, their 

 apices incrassated, ulnar vein bifurcate, apical triangle prominent. 

 Supra-anal lamina, {(^) transversely trigonal, ($) triangular, apex 

 deeply cleft. Sub-genital -lamina ((j^) narrow, produced, exceeding 

 the supra-anal lamina, 2 minute styles. (Gerci mutilated.) Front 

 femora on anterior margin beneath with 3—4 strong spines suc- 

 ceeded by piliform seta3. 



Total length ^9,2 mill.; $ 9 mill.; length of body ^ 8 mill., 

 9 7,5 mill.; length of tegmina ^f 7 mill., 9 6,1 mill.; pronotum, 

 2 X 3,3 mill. 



Congo State, Loango (Waelbroegk), Luki, Mayumbe (Engel- 

 bert), Boma (Tschoffen). Three examples. 



One of the few testaceous species of the genus. 



THEGANOPTERYX BANAN/E sp. n. 



(^f. Testaceous; disc of pronotum castaneous. Pronotum anterior- 

 ly parabolic, posteriorly truncate. Tegmina clear testaceous, scar- 

 cely exceeding apex of abdomen, venation as in preceding species. 

 Wings hyaline, 7 costals, their apices not incrassated, joined at 

 their bases by oblique venulse, ulnar vein bifurcate. Supra-anal 

 lamina trigonal, exceeded by the sub-genital lamina which is pro- 

 duced and strongly cucuUate, styles minute. Cerci long, slender. 

 Front femora as in preceding species. 



9. Similar to cf but pronotum broader, tegmina not exceeding 

 apex of abdomen, with numerous minute quadrate castaneous 

 maculae between the veins. Wings rudimentary. Supra-anal lamina 

 triangular, apex incised; sub -genital lamina semi -orbicular, 

 ample. 



Total length cT 9 mill-, 2 7,9 mill.; length of body, 7,9 nlill.; 



MEMOIKES DE LA SOC. ENTOM. DE BELGIQUE, T. XV, 15 VII 1908. 15 



