Odontogryllodes

Tan, Ming Kai & Kamaruddin, Khairul Nizam, 2016, New taxa and notes on some Landrevinae (Orthoptera: Gryllidae) from Malay Peninsula, Zootaxa 4162 (3), pp. 559-570 : 564

Key to known species of Odontogryllodes

1. Male cercus with short basal internal projection. [Peninsular Malaysia]............................. O. gratus sp. nov.

- Male cercus without basal internal projection................................................................ 2

2. Male tegmen with dorsal field angular distally. Posteromedial epiphallic lobule directed more or less upwards [Malay Peninsula]................................................................................................ 3

- Male tegmen with dorsal field rounded or truncated distally. Posteromedial epiphallic lobule directed posteriorly [Greater Sunda Islands]........................................................................................ 4

3. Male tegmen with dorsal field almost acutely angular distally. Posterolateral epiphallic lobe more elongated (see Figs. 444–4 50 in Gorochov (2016)); dorso-apical process almost spine-like and with hooked apex; ventro-apical process stout hooked. [Peninsular Malaysia............................................................................. O. angulatus

- Male tegmen with dorsal field obtusely angular distally. Posterolateral epiphallic lobe more roundly truncated; dorso-apical process sabre-shaped, almost triangular in profile, and with acute apex; ventro-apical process lobe-like, broadly truncated. ( Figs. 5 E–G). [Singapore].......................................................................... O. latus

4. Male tegmen rounded. Posteromedial epiphallic lobules with small dorsal hooks (see Fig. 439 in Gorochov (2016)) [Sumatra].......................................................................................... O. rotundatus

- Male tegmen truncated. Posteromedial epiphallic lobules without small dorsal hooks................................. 5

5. Darker colouration. Male tegmen shorter (1.1 mm). Posteromedial epiphallic lobule narrowing strongly in profile (see Fig. 436 in Gorochov (2016)) [Java]....................................................................... O. stenus

- Lighter colouration. Male tegmen longer (2.1 mm). Posteromedial epiphallic lobule not narrowing strongly in profile [Sumatra]...................................................................................... O. brevicauda

Figures

FIGURE 5. Odontogryllodes latus Chopard, 1969: male habitus in dorsal view (A), right male tegmen in dorsal view (B), male metanotal gland in dorsal view (C), male abdominal apex in dorsal view (D), male genitalia in dorsal (E), lateral (F) and ventral (G) views and female ovipositor in dorsal view (H). Scale bars: 10 mm (A), 1 mm (B – D), 0.5 mm (E – H).