300 Mr. W. L. Distant 07i Homoptera. 



tliird abdominal segment ; rostrum reaching the posterior 

 cox£e; face globose, obsoletely longitudinally sulcate and 

 more broadly transversely striate; head (including eyes) 

 much narrower than either anterior margin of pronotnm or 

 base of mesonotum ; tegmina with the transverse veins at the 

 bases of the numerous apical areas margined with pale 

 ochraceous. 



Long., excl. ie^m., 41 mm. ; exp. tegm, 128 mm. 



Uab. '' Fronti(ire Chine — Tonkin — Region Lao-Kay " 

 {Dupontf Paris Mus.). 



Genus Polyneura. 

 Pulyneura, Westw. Arcan. Entom. i. p. 92 (1842). 

 Type, P. ducalis, Westw. 



Division T A c u A R i A. 



Lateral margins of the pronotum convex, but not angu- 

 larly produced, sometimes simply moderately convex or 

 anteriorly subampliated and somewhat toothed ; tegmina and 

 wings more or less opaquely coloured. 



Synoj)sis of Genera. 



A. Lateral margins of the pronotum somewhat convex, 



but even. 



a. Head (includin<^ eyes) equal in width to that 



between anterior lateral angles of pronotum .... Tacua. 



h. Head (including eyes) narrower than width be- 

 tween anterior lateral angles of pronotum Qraptopsaltria. 



B. Lateral margins of the pronotum anteriorly sub- 



ampliated and somewhat toothed Tosena. 



Genus Tacua. 



Tacua, Amy. & Serv. Hist. H^m. p. 461 (1843). 

 Type, T. speciosa, Illig. [Tettigonia). 



Genus GRAPTOrS^LTRIA. 

 Graptopsaltria, StSl, Hem. Afr. iv. p. 3 (186G). 

 Type, G. colorata^ Stal. 



Genus Tosena. 



Tosena, Amy. & Serv. Hist. H^m. p. 462 (1843). 

 Type, T.fasciata, Fubr. {Tettigonia). 



