Bioacoustics of Arnobia

1. Lateral surface of tegmina with sparse ocellus-like spots on R-M area, which have light centre bordered dark rings; dorsal part of fore femora with 4 darkish spots and 4 yellowish spots...................................................... 2 - Spots of tegmina and those on fore femora not as above....................................................... 6 2. Male subgenital plate with two lateral and one median lobules (Plate 1f)......................................... 3 - Male subgenital plate with two lateral lobules and without median one (Plate 1h)................................... 5 3. Dorsal part of male tegmina with a large darkening, nearly covered whole stridulatory area (Fig. 13, in Ingrisch 1994 ); apicodorsal part of female tegmen with a dark spot occupying the center and extending outwards ( Eades et al. 2011 ). Thailand ............................................................................... Arnobia ocellata ( Ingrish, 1994 ) - Not as above......................................................................................... 4 4. Dorsal part of male tegmina darkish with lighter spot before narrow distal half (Fig. 82, in Gorochov 1998 ); apical-dorsal part of female tegmina just darkish with a distinctly light spot in the centre (Fig. 81, in Gorochov 1998 ). Vietnam ........................................................................................ Arnobia vietensis Gorochov, 1998 - Dorsal part of male tegmina with three smaller darkenings distad, which were separated form each other by light spot; apicaldorsal part of female tegmina just darkish with a indistinct small light spot in the centre (Plate 1c). Hainan, China ......................................................................................... Arnobia hainanensis sp. n. 5. Dorsal part of male tegmina with distinct darkening near apex and light spot on basal area (Fig. 84, in Gorochov 1998 ); lateral part of tegmina with several whitish short veinlets, usually situated into transparent spots, and round spots usually with dark rim. Java, Sumatra............................................................ Arnobia trichopus ( Haan, 1842 ) - Dorsal part of male tegmen respectively with a large dark brown spot in basal and apical area, and also with a small dark brown spot in the middle; each cell of tegminal Radial area with a large dark brown and white spot, and each cell of medial area with a large dark brown spot. Guangxi, China ............................................. Arnobia guangxiensis sp. n. 6. Female with basal dark spot somewhat larger and darkening before narrow distal part without light middle spot (Fig. 85, in Gorochov 1998 ); lateral part of tegmina with only sparse simple small darkened spots; fore femora with 2 groups of rather sparse darkish dots on their proximal half. Female subgenital plate with apical margin widely roundly emarginated. Thailand ........................................................................ Arnobia inocellata Gorochov, 1998 - Darkenings of dorsal part of female tegmina large, rounded. Lateral part of tegmina with intensively green oblique bands. Female subgenital plate rather narrow, with almost truncated apex............... Arnobia pilipes tropica Gorochov, 1998