Thanmoia olivacea ( Willemse, 1957 )

Thanmoia olivacea ( Willemse, 1957) View in CoL

Figs 2G–N View Fig , 5 View Fig

Annamacris olivacea Willemse, 1957: 480 View in CoL .

Thanmoia olivacea View in CoL – Hollis 1975: 208. — Otte 1995: 124. — Kim & Pham 2014: 57. — Storozhenko 2022: 6 View Cited Treatment .

Type material

Holotype

VIETNAM • ♂; Annam , Col des Nuages , near Tourane ; 1923; Mme Poilane leg.; MNHN.

Other material examined

VIETNAM • 1 ♀; Bach Ma National Park , Hua Thien Hue Province; 22–23 Sep. 2008; V.G. Bezborodov leg.; ZIN .

Redescription

MEASUREMENTS (mm). BL: ♂ 24.0, ♀ 29.8; PL: ♂ 5.0, ♀ 7.0; TL: ♂ 13.0, ♀ 17.0; HFL: 15.5, ♀ 18.5.

Male

BODY. Medium-sized.

HEAD. Elongated in frontal view, somewhat rugose; frontal ridge narrow, complete, almost reaching clypeus. Face in lateral view reclinate; frontal ridge almost straight. Eyes large, oval; vertical diameter of eye 1.7 × as long as subocular furrow. Antennae filiform, surpassing posterior margin of pronotum.

THORAX. Pronotum long, somewhat rugose, crossed by three transverse furrows; prozona 1.6 × as long as metazona. Mesosternal lobes subsquare, 1.3 × as wide as long; mesosternal interspace narrow, 2.5 × as broad as long.

WINGS. Tegmina touching each other in resting position, reaching 9 th abdominal tergite, with rounded apex. Hind wings in resting position as long as tegmina.

LEGS. Hind femora slender, 4.8 × as long as their maximal width. Hind tibiae with 8 outer and 9 inner dorsal spines including very small outer apical spine. Tympanum large, oval.

GENITALIA. Supra-anal plate triangle, elongate; median longitudinal sulcus shallow. Cerci conical with pointed apex, exceeding apex of supra-anal plate. Subgenital plate triangular in dorsal view with apex bluntly rounded.

COLORATION. Body olivaceous green. Face and genae olivaceous brown, anterior margin of clypeus blackish. Vertex dark olivaceous green. Pronotum with general coloration. Sternum yellowish brown. Antennae black. Tegmen blackish brown; anterior margin at base and at apex more or less hyaline, anal area green, with olivaceous green stripe along upper (posterior) margin and narrow yellow stripe between black and green parts. Hind wing hyaline, apex and posterior margin infumated. Fore and mid legs olivaceous yellow or green. Hind femur yellow with black praegenicular ring; outer surface with blackish spot near middle continuing on upper area and part of inner area, sometimes with small blackish spot near base in male but absent in female; knee black, with ventral genicular lobes yellowish green or reddish brown, spines of knee lobes reddish brown. Hind tibia red, with two small black spots at base, spines red with black tips. Hind tarsus red or yellowish red. Abdomen yellowish brown; tergites yellow with black marks.

Female

Similar to male, but body larger in size. Eyes with vertical diameter 1.2 × as long as subocular furrow. Antennae 26-segmented, prozona 1.8 × as long as metazona. Mesosternal lobes 1.1 × as wide as long; mesosternal interspace 2.7 × as wide as long. Hind femora 4.4 × as long as their maximal width. Subgenital plate elongated with posterior margin triangular. Dorsal valves of ovipositor as long as lower ones. Ovipositor greenish brown.

Distribution

Vietnam (Thien Hue Province).