横板原栖螽

Eoxizicus transversus   Tinkham
   

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形态描述

Size fairly large and form typical of the genus. Head slightly broader than deep; eyes subcircular and subglobular. Fastigial cone prominent, with slight upward tilt. Pronotum with foremargin very slightly convex; posterior margin somewhat circularly rounded; lateral lobes much broader than deep. Leg spination as follows: Foreleg with forefemur unarmed; foretibiae with five external and five internal infumate spines, of which the proximal is small and dorsad of tympanum, the remainder much larger than the external ones. Middle legs missing. Caudal femur unarmed; caudal tibiae with 31 external and internal short black dorsal teeth and 9 external and 3 internal apical small spines. Tegmina and wings far surpassing apex of caudal femur. Ovipositor long and slender, very slightly recurved, with apex considerably passing knee of caudal femur. Subgenital plate very broad and transverse, lateral margins strongly convex, posterior margin gently concave and slightly deflexed. Anterior margin fused to a short base making somewhat of flexed. Anterior margin fused to a Short Base Making somewhat of a T joint. Eighth abdominal sternite larger than remaining abdominal sternites, triangular, with truncate posterior margin and apex directed cephalad.