Thanmoia maculata ( Willemse, 1957 )

Thanmoia maculata ( Willemse, 1957) View in CoL

Figs 2A–F View Fig , 5 View Fig

Oxyacris maculata Willemse, 1957: 481 View in CoL .

Thanmoia maculata View in CoL – Hollis 1975: 208. — Otte 1995:124. — Kim & Pham 2014: 57. — Storozhenko 2022: 4 View Cited Treatment .

Type material

Holotype

VIETNAM • ♂; Nha Trang , Song Man ; 1913; A. Krempf leg.; NBC.

Redescription

MEASUREMENTS (mm). BL: ♂ 20.0; PL: ♂ 4.0; TL: ♂ 5.0; HFL: ♂ 13.5.

Male

BODY. Medium-sized, slender, finely rugosely punctate.

HEAD. Frons reclinate and straight in profile view; frontal ridge distinct, percurrent to clypeal margin, with lateral margins parallel; lateral facial keels distinct and straight; vertex almost horizontal in profile view, dorsum smooth in the middle; fastigium of vertex inclined forwards, reaching little beyond eyes, separated from vertex by shallow impression, with anterior margin rounded, surface somewhat depress and finely rugose. Interocular distance about as broad as basal antennomeres. Antennae filiform, reaching base of hind femur, with antennomeres elongate. Eyes long oval, somewhat globose.

THORAX. Pronotum cylindrical, somewhat longer than head, with anterior margin rounded and posterior margin more triangularly rounded; disc finely rugosely punctured; median keel very low, somewhat indistinct, interrupted by transverse sulci; lateral keel absent; submarginal sulcus present only on lateral lobe, first transverse sulcus present only on disc, second and third transverse sulci present both on disc and lateral lobes, third transverse sulcus located far behind the middle; lateral lobe longer than high, coarsely punctured except for metazonal part, with some irregular smooth areas in upper part, lower margin from middle ascendant anteriorly and somewhat concave, anterior angle obtusely rounded, posterior angle rectangularly rounded, anterior margin straight, posterior margin almost straight. Prosternal spine conical with apex pointed; mesosternal lobes about as long as broad with inner margin rounded and interspace narrower than lobe; metasternal lobes contiguous near middle.

WINGS. Tegmina short, only reaching little beyond base of hind femur, touching each other in middle, with margins gradually narrowing apically, apex rounded; hind wings very small, vestigial.

LEGS. Fore and mid legs normal. Hind femur only slightly attenuated, not compressed, with upper median keel smooth, terminating into sharp tooth; lower knee lobes sharply pointed. Hind tibia slightly expanded apically, margins sharp, with 10 inner and 7 outer spines, outer apical spine absent. Hind tarsus short, with second joint much shorter than first one. Posterior margin of penultimate abdominal tergite interrupted in the middle, with small furcula on both sides.

GENITALIA. Supra-anal plate triangular, with apex subacute, small median sulcus at base and depression on both sides of this sulcus. Cercus conical, broad at base and pointed at apex, reaching beyond supra-anal plate. Subgenital plate short, apical margin triangularly pointed.

COLORATION. General coloration yellow with green. Antennae with basal joints light olivaceous green, darker and brownish black from middle to apex. Face and mouthparts yellow; vertex greenish; postocular band black, continued along sides of pronotum to tegmen; genae with distinct clear yellow spot below postocular band, and short blackish streak below eye; lower part of genae greenish yellow. Pronotum with greenish disc, narrow yellow stripe on both sides bordering from above black postocular band; lateral lobe black, with two irregular large yellow spots below postocular band, and first of these spots occupying anterior angle of lateral lobe, remaining part of lower margin black. Epimerum of pro-, meso- and metathorax black with small yellow spot. Sternum yellowish. Tegmina black, with anal area greenish. Fore and mid legs with yellow femora, tibiae light olivaceous green, tarsi from below somewhat reddish. Hind femur yellow, outer area somewhat greenish, knee blackish brown, knee lobes bluish. Hind tibia bluish, spines with black tips. Hind tarsus light bluish. Abdomen yellowish brown, with dark stripe on both sides.

Female

Unknown.

Distribution

Vietnam ( Khanh Hoa Province).

Remarks

This species is known only from a single male.