1	Head brown with two variables extending testaceous bands (Fig. 2A, B). Pronotum adorned with two large brown bands (Fig. 4A, B)	2
_	Head curved feebly at anterior; wider at posterior (Fig. 1D, E). Pronotum concave with piriform impression on anterior disc (Fig. 4D, E)	3
2	Elytra extending to the apex of abdomen, mirror small, obliquely transverse (Fig. 8C). Wings long. Legs pale yellowish with numerous hairs. Tibia with eleven pointed spines on either side (Fig. 6C). Abdomen yellow, pubescent. Cerci well developed, pointed	Acheta Linnaeus
_	Elytra extending to 1/3 of abdominal tergite, truncated, rounded at apex; mirror quite apical, little wider than long, rounded posteriorly; wings reduced (Fig. 9B). Legs pubescent, yellowish, with few brown spots. Anterior tibia perforated on the external face with a rather long, oval tympanum (Fig. 6H). Abdomen brown with triangular median line on dorsal field	4
3	Legs blackish testaceous with brown spots, pubescent. Posterior femora rather short and thick; posterior tibia armed with six spines on each margin (Fig. 1F). Abdomen brown, ovipositor long, slender with narrow, very acute apical valves (Fig. 1F)	Gryllus Linnaeus
_	Legs brownish, fuscous; posterior femora moderately swollen, striated on external face; posterior tibiae armed with seven spines on each margin (Fig. 6I). Abdomen pale brown, yellowish beneath. Ovipositor long, slender (Fig. 1J)	5
4	Head small, narrow at the anterior, slightly curved at posterior. Face short, yellow with spotted clypeus. Frontal suture feebly arched (Fig. 2I). Pronotum transverse, feebly concave at anterior (Fig. 4I)	Gryllodes Saussure
_	Head short, yellow, adorned with rufous spots, dorsal field of ocelli with pubescent horizontal dark bands (Fig. 3B). Pronotum depressed above with straight yellowish posterior margin on dorsal field (Fig. 5C)	6
5	Colour pale brown (Fig. 1J). Head brown to dark with horizontal band at posterior margin. Ocelli dark brown. Pronotum dark brown, enlarged in front, its surface is rather strongly punctuated with numerous testaceous rufous spots (Fig. 4J)	Teleogryllus Chopard
_	Colour rufous brown, shiny (Fig. 1N). Head little wider than pronotum in front; occiput convex with frontal rostrum narrow, ocelli united by a small oblique keel (Fig. 3C). Pronotum dark brown, slightly broader than long with concave anterior margin, posterior margin feebly convex (Fig. 5D)	7
6	Legs brownish. Pubescence rather thick, compressed. Anterior tibia bearing small, oval, external tympanum. Posterior tibia armed with ten external and one medio-internal spines (Fig. 6L). Abdomen brown. Ovipositor short, straight, slender with very small, lanceolate, acute apical valves (Fig. 1M)	Modicogryllus Chopard
_	Legs dark brown dorsally, whitish ventrally. Tibia armed with nine internal, four medio-internal spines (Fig. 7B). Abdomen black, sternites whitish. Ovipositor long, slender, straight with lanceolate apical valves (Fig. 10)	8
7	Elytra extending to the apex of abdomen, narrow posteriorly. Wing well developed (Fig. 10A). Ovipositor rather long, straight with lanceolate apical valves. Abdomen brown. (Fig. 1N)	Svercus Gorochov
_	Elytra scarcely extending to apex of first abdominal tergite, slightly crossing at median line with internal oblique margin, (Fig. 10E). No wings. Ovipositor very long, straight, apical valves with dark base. Abdomen yellow to dark brown, longitudinal rufous bands on each side. (Fig. 1R)	9
8	Colour brown (Fig. 10). Head black bright and globous; whitish spot posteriorly containing scape and following inner margins of eyes, becoming punctuated with brown with white stripe before reaching occiput (Fig. 3D). Pronotum black with pubescence, dorsal disc wider than long, bristles on anterior and posterior margins; lateral lobes marked with antero-ventral whitish spot which becomes pale brown posteriorly (Fig. 5E)	Miogryllus Saussure
_	Colour dark brown (Fig. 1S). Head shiny brown, short, narrow, ocelli black, horizontal dark band between (Fig. 3H). Pronotum as long as head, 2 × wider than long on dorsal field, anterior and posterior margin pilose, truncated, dorsal surface brownish, mottled; lateral lobe of pronotum a little deeper than pronotal length (Fig. 5I)	Lepidogryllus Otte & Alexander
9	Head brown, short, dome-shaped with four yellowish vertical sutures (Fig. 3G). Pronotum brown, concave anteriorly while pubescent and convex posteriorly with longitudinal rufous bands on dorsal field (Fig. 5H). Legs yellow, brownish at base, strongly pubescent, irregular bands on dorsal field. Posterior tibiae armed with eleven external, three medio-internal spines (Fig. 7D)	Callogryllus Sjöstedt
_	Head pale green, narrow with dark brown ocelli (Fig. 3I). Pronotum flat, concave posteriorly (Fig. 5J). Legs same colour as body. Femora long, thin, slightly wider at anterior and compressed at posterior. Posterior tibia thin, slender, armed with 21 external and three medio-internal spines (Fig. 7F)	Oecanthus