ORTHOPTERA 



SUBFAM. PROPHALANGOPSIN£ 



Genus PROPHALANGOPSIS, Walker 



Prophalangopsis. Walker, Cat. Derm. Salt. Brit. Mus. Vol. 5, Suppl. p. 116 (1871); Kirby. Syn. 



Cat. Orth. Vol. 11, p. 290 (1906). 

 Tarraga. Walker, Cat. Derm. Salt. Brit. Mus. Vol. 1. p. 100 (1869); Saussure, Rev. Suisse. Zool. 



Vol. 5. p. 241 (189S). 



Characters. — Head as broad as the anterior margin of the pronotum. Vertex broad, broader 

 than the basal segment of the antennae, strongly declivent. Eyes moderate, oval, prominent: ocelli 

 present, three in number. Antennae moderately slender, the joints short beyond the larger basal one. 

 Mandibles compressed, dentate; maxillary palpi long, the terminal segment the longest. Pronotum 

 smooth, swollen in the posterior three-fourths, the anterior portion parallel, the anterior margin 

 truncate, the posterior margin rounded; lateral lobes small, roundly inserted; anterior transverse sulcus 

 prominent, posterior one absent. Presternum unarmed but provided on each side towards the coxae with a 

 process, which is rounded when viewed from the side. Abdomen moderately large and plump; subgenital 

 plate of the male concave, with long swollen styles. 



Legs slender, anterior and intermediate ones scarcely compressed, the femora unarmed; tibiae 

 quadricarniate, the posterior ones with an apical spine above and below on both sides; anterior tibiae 

 scarcely dilated basally, the foramina open, oblong, mesiallv narrowed; tarsi subcompressed, tetramerous, 

 the first joint shorter than the third, sulcate below, the second joint minute. The tibiae are but little 

 shorter than the femora and are sulcate on each side, spined above and below. 



Organs of flight fully developed, the wings shorter and narrower than the elytra. Elytra broad 

 and long, extending far beyond the abdomen and full}' one-half as broad as long, apically broadly 

 rounded; the discal and marginal fields lateral, the anal field only dorsal; tympanum large, extending 

 over the anal and discal fields, the stridulating veins not very strong. 



Type. — Tarraga ebscwa. Walker. 



Geographical distribution of species. — India. 

 1. P. obscura. Walker, Cat. Derm. Salt. Brit. Mus. Vol. 1, p. 100(1869) (Tarraga). Hindostan. 



