Chrotogonus trachypterus (Blanchard, 1836)

Usmani, Mohd. Kamil & Nayeem, Md. Rashid, 2012, Studies on taxonomy and distribution of Acridoidea (Orthoptera) of Bihar, India, Journal of Threatened Taxa 4 (13), pp. 3190-3204 : 3193-3194

4. Chrotogonus trachypterus (Blanchard, 1836)

Diagnostic characters: Body brown, rugose and tuberculate; head short and broad; antennae 11-segmented; pronotum short, broad with small tubercles; sternum yellowish; tegmina reaching near to the tip of abdomen, covered with numerous prominent nodules, wings nearly as long as the tegmen; hind femur as long as the abdomen; hind tibia with seven external and nine internal spines; abdomen brown above, pale beneath, without darkish spots, but with darkish tinge.

Material examined: 1 female, 23.vi.2009, on grasses, Khagaria; 1 female, 16.vi.2009, on paddy, Gaya; 2 females, 26.vi.2009, on arhar, Katihar; 1 female, 26.x.2010, on grasses, Samastipur; 1 female, 4.vi.2010, on grasses, Bettiah, Paschim Champaran.

Morphometry: (length in mm). Female: Body 15.0, Tegmina 5.2, Hind femur 6.8, Pronotum 3.25

Remarks: Body colour matches with the soil and can be commonly spotted in ploughed fields and roadside grasses.

Natural enemies: The hymenopterans Scelio aegyptiacus Priesner and S. hieroglyphi Timb. were recorded to parasitize the eggs by Ahmed et al. (1973).

Distribution: Andhra Pradesh, Assam, Bihar, Delhi, Gujarat, Haryana, Himachal Pradesh, Jammu and Kashmir, Madhya Pradesh, Maharashtra, Meghalaya, Orissa, Punjab, Rajasthan, Uttar Pradesh, West Bengal.

B. Family: Catantopidae Brunner, 1893 Subfamily: Oxyinae Brunner, 1893