Orthoptcroid Insects of Philippine Islands 17 



hh. First joint of the posterior tarsus without a 

 free plantula, or with a verj' short one. 



Phasganuridae. 



dd. Antennae inserted helow the eyes or between their lower 



margin, nearer the clypeal suture than to the top of the 



occiput. 



e. Posterior tarsi with the third joint shorter than the second ; 



anterior and posterior tibiae with an apical spine above 



on both sides Bradyporidae. 



ec. Posterior tarsi with the third joint longer than the second; 

 anterior tibiae with an apical spine above on the inner 

 side, the posterior tibiae without an apical spine above 

 on the outer side. 

 /. Antennae inserted between the lower margins of the 

 eyes. Pronotum unarmed. Both sexes winged. An- 

 terior tibiae with an apical spine above on the outer 

 side. Posterior tibiae with four apical spurs below. 



Ephippigeridae. 



//. Antennae inserted distinctly below the eyes. Pronotum 



spined. Female apterous. Anterior tibiae without 



apical spines above. Posterior tibiae without apical 



spurs below or with but two Hetrodidae. 



cc. Anterior tibiae without foramina or auditory apparatus. 



d. Head horizontal. Body long and slender, in general appear- 

 ance very phasmid-like. Wingless, at least in the female. 



Phasmodidae. 

 dd. Head vertical. Body not very long and slender, in nowise 

 phasmid-like. Winged, only occasionally apterous. 



Gryllacridae. 

 bh. Tarsi distinctly compressed. (Forms usually apterous.) 



c. Tarsi provided beneath with pulvilli, that on the metatarsus 

 double ; inserting angle of the posterior femora situated on 



the front side Stenopelmatidae. 



cc. Tarsi without pulvilli beneath ; inserting angle of the posterior 



femora situated on the inner side Rhaphidophoridae, 



A A. Tarsi three-jointed. Wings fully developed. Anterior tibiae provided 

 with an auditory apparatus which is elongate narrowed at middle. 



Phalangopsidae. 



The Superfamilies, Families and Subfamilies of Dermaptera* 



A. Metapygidium and telson present as distinct chitinous plates, or else 

 lost in the pygidium when that is fused with the tenth tergite to 



* This table is taken from Burr, Genera Ins.. fasc. no. 122. 



21 I 



