New taxa and notes on some Landrevinae (Orthoptera: Gryllidae) from Malay Peninsula Author Tan, Ming Kai Author Kamaruddin, Khairul Nizam text Zootaxa 2016 4162 3 559 570 journal article 10.11646/zootaxa.4162.3.9 3a8ea227-2bf9-4908-ba2a-7a4efd98670d 1175-5326 272341 5F2DE007-BB8E-4465-A931-A8645AEE0A94 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