526 PROCEEDINGS OF THE NATIONAL MUSEUiM vol.94 



XIPHIDIOPSIS EMARGINATA, new species 



Figure IHT, e 



A medium-sized species, known only in the female sex and distin- 

 guished from all other species of the genus by its large and emarginated 

 subgenital plate and the long straight ovipositor, with the tip of the 

 ventral valvulae bearing about five distinct teeth. This character 

 separates it immediately from all females of the Chinese species ex- 

 cept X. phi/Uocerca, which is very large, with the head and pronotum 

 dark reddish brown. 



Iloloti/pe. — Female, Tseo Jia Geo, south of Suif u, Szechwan. western 

 China, August 1929 (D. C. Graham). ISIeasurements in millimeters: 

 Body length 9.0; length to ovipositor tip 19.0; length to apex of teg- 

 men 21.0; pronotum 3.5 by 1.9; tegmen 18.0 by 2.0; hindfemur 10.0; 

 ovipositor 10.0. U.S.N.M. No. 56302. 



Desa^iption. — Size medium and form typical of the genus. Head 

 slightly broader than deep; eyes subcircular and subglobuhir. Fas- 

 tigial cone slightly below the upper margins of the eyes. Pronotum 

 with the anterior margin very slightly convex; posterior margin an- 

 gularly rounded; lateral lobes nuich broader than deep. Tegmina 

 and wings considerably surpassing apices of caudal femora but ex- 

 tending very slightly beyond the apex of the ovipositor. Leg spina- 

 tion as follows: Forelegs M'ith forefemora unarmed; foretibiae with 

 five external and four internal spines, IMiddle legs with mesofemora 

 unarmed; mesotibiae with six external and four internal spines. 

 Caudal femora unarmed; caudal tibiae with 27 external -and 31 in- 

 ternal small black dorsal teeth and nine external and one internal very 

 pale small apical spines. Ovipositor very long and straight, with 

 very slight reflexion in the distal fourth ; ventral valvulae with five 

 small distinct teeth at the extreme apex. Subgenital plate very large, 

 semicircularly rounded, with a distinct triangular apical incision and 

 a slight emargination near each lateral base. 



Coloration. — Uniformly foliage green in life, uniformly testaceous 

 in the preserved specimen. The species is known from only the 

 unique type. 



