Gymnogryllus tumidulus

Ma, Libin & Zhang, Yalin, 2011, The cricket genus Gymnogryllus (Grylloidea: Gryllidae: Gryllinae: Gryllini) from China with description of six new species, Zootaxa 2733, pp. 31-40 : 39

Gymnogryllus tumidulus nov. sp.

(Fig. A. 6; B. 6, 12; C. 6; D. 6)

Type material. Holotype male, China: Guangdong, Shenzhen, Sept. 2009, coll. Zhuqing He ( NWAFU).

Diagnosis. Male. Frons normal. Epistomal suture wide and obviously curved upward. Distal edge of labrum rounded. Lateral ocelli a little large, oval and flat. Occiput obviously wide. Pronotum dilated in front. The lateral lobes almost without pubescence. Oblique veins three, the outermost vein apart from the corner of stridulatory vein. Inner side of mirror bent (slightly bending on covered tegmen). The crossvein between the chord and mirror arrived at the inside corner of mirror. Inner branches of Cu1 at apical field seven (same on covered tegmen). Forewings reaching the tip of abdomen. Stridulatory file, inside apex near the hair, with 61 anvil-like teeth and four angular ones inside. Hindwings long, more or less equal to the length of cercus. Genitalia: Epiphallus naturally split into two parts, median notch also not reaching dorsal edge of epiphallic apex, above it with a lappet.

Coloration. Head and pronotum from rufous to dark brown. Apical half of hind femur brown and FWs taupe. Occiput uniform rufous; vertex dark brown. Cheek with bottom 2/3 brown. Frons uniform colored. Crescent pattern of pronotum distinctly red. Bottom half of lateral lobe with a distinct light stripe. Subapex of hind femur with a large yellowish brown patch dorsally.

Measurements. BL 29.5; HW 8; PL 5.5; PW 9; FWL 21; FWW 9; AFL 10; HWL 8.5; HLL 17; CL 10.5; API 1.11; PI 1.64; NST 65; SFL 5.14; DST 12.

Etymology. The specific epithet “ tumidulus ” refers to the pronotum being dilated in front.