Formosatettix larvatus Bey-Bienko 1951



Original description:
Formosatettix larvatus Bey-Bienko 1951

  The antennae not less than twice the length of the anterior femora, the middle segments 4-5 times longer than they are wide. The vertex anteriorly is very slightly elevated between the eyes; the frontal ridge with a weak notch in front of the lateral ocelli in profile. The pronotum dorsally sharply roof-shaped with a distinctly elevated median carina; the lateral carinae sharp, extending forward over the humeral angle which is easily distinguished. Oblique angle on the lateral aspects of the process of the pronotum absent. The total length ♂ 10.5, ♀ 11.0-12.5 ㎜; the hind femora ♂ 7.1, ♀ 8.1-8.3 ㎜. -Japan: mountains near to Tokyo (Tsuruga and Takao-san, ♀ type).