6 Lazvrence Bruner 



cc. Claws entirely without, or with a minute arolium. 



d. Wings provided with a folded fan-like anal field. Pronotum 



smooth Blaberidae, 



dd. Anal field of the wings with a single fold. Pronotum more 



or less pilose Corydiidae. 



bb. Supra-anal lamina of both sexes short, transverse, its posterior 



margin straight or rounded. 



c. Subgenital lamina of the male somewhat produced, furnished 



with a single style. Claws with a distinct arolium (except 



in the genus Paranauphoefa). 



d. Anterior part of the wings pointed, or the wings with a much 



produced apical field, or with the wings twice as long as 



the elytra, folded in repose Oxyhaloidae, 



dd. Anterior part of the wings rounded, with no apical field. 



Perisphaeridae. 



cc. Subgenital lamina of the male very small, with no styles. Claws 



with no arolia Panesthidae. 



Synopsis of the Families of Mantaria 



A. Front tibiae unarmed with spines below on the outer margin, or at 



most provided with very small tubercles Perlamantidae. 



AA. Front tibiae armed below on both margins with distinct spines. 



b. Anterior femora armed below on the inner margin with equal spines 

 sometimes alternating with smaller ones. Antennae of the male 

 simple, or rarely unipectinate. 

 c. Tibiae and likewise the intermediate and posterior femora 

 rounded above. 

 d. Legs nor body appendiculate. (Antennae in both sexes 

 simple). 

 e. Pronotum above the insertion of the anterior coxae not 

 dilated at the sides, the margins straight or little sin- 

 uate. Front margin straight. 

 /. Anterior femora without or with very minute discoidal 

 spines. Anal membrane of the elytra very short, not 



longer than wide Chaeteesidae. 



//. Anterior femora armed with discoidal spines. Anal 

 membrane of the elytra three times as long as wide. 

 g. Pronotum linear (everywhere of equal width). 



Eremiaphilidae. 

 gg. Pronotum in front wider than behind, strongly di- 

 lated, the sides rounded or subangulate. 



Chaeradodidae. 

 ee. Pronotum above the insertion of the anterior coxae di- 



200 



