BLATTARI^E. 17 



f Antennae setaceous. Infra-median vein of the 



fore wings dexuous, not angular. 

 X Head mostly covered by the prothorax. - Blatta. 



XX Head not covered by the prothorax. - Pseudophyllodromia. 



ft Antennae black, hirsute. 

 X Middle vein of the fore wings flexuous, not 



angular. Prothorax transverse, truncated 



behind, not covering the scutellum. - Apolyta. 



XX Infra-median vein of the fore wings angular near 



the anal vein. Prothorax oblong, rounded 



behind, extending over the scutellum. - Pseudomops. 



** Subgenital lamina of the male with long styles. 



Infra-median vein of the hind wings sending 



many branches towards the dividing vein. - Isohnoptera. 



b. Fore wings sericeous; anal area with many 



axillary veins. - Nyctibora. 



Genus CERATINOPTERA, C. D. i. 136. 



A. Hind wings fully developed. ... diaphana, picta. 



B. Hind wings rudimentary or none. - castanea, Peruviana. 



C. Wings ? - Poeyi, porcellana. 



Ceratinoptera Olmeca. 

 Olmeca, Sauss. Rev. Zool. xx. 354. 

 Mexico. 



Genus LOBOPTERA, C. D. i. 155. 



A. Fore wings lobiform, lateral. - decipiens, limbata, trivittata. 



B. Fore wings abbreviated, touching each other in the 



sutural margin. - indica. 



LOBOPTERA HlJMBERTIANA. 



Polyzosteria Humbertiana, Sauss. Mil. Orth. 1. 

 Ceylon. 



Genus TEMNOPTERYX, C. D. i. 144. 



A. Fore wings and hind wings of the male abbreviated. 



capensis, inconspicua, fulva, virginica, tarasca. 



B. Fore wings and hind wings of the male fully 



developed. - deropeltiformis. 



Temxopteryx truncata. 

 Blatta truncata, C. B. 87. 



