The Fauna of British India, including Ceylon and Burma / edited by A.E. Shipley. Dermaptera (Earwigs) / by Malcolm Burr.

Date:
1910
Catalogue details

Licence: In copyright

Credit: The Fauna of British India, including Ceylon and Burma / edited by A.E. Shipley. Dermaptera (Earwigs) / by Malcolm Burr. Source: Wellcome Collection.

Provider: This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.

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    DIOEANA.—ORANOPYGIA. depressed, smooth, sutures not very distinct. Pronotum black, narrowly edged with yellowish, square, the angles rounded. Scutellum black, nearly equilateral. Elytra black, granulose, weak at the axillary angle, short, truncated apically. Wings abortive. Legs orange-red. Abdomen black, widened gradually towards the apex in the S, nearly parallel in the $. Last dorsal segment in 6 very broad, smooth, but riigulose in the middle, the sides produced into strong crested folds; in $ square, the exterior angles produced into rectangular folds but less strongly than in the 6. Penultimate ventral segment of c? broad and rounded ; in $ triangular and rounded at the apex. Porceps with the branches in c? very strong and broad, depressed, trigonal, subcon- tiguoiis, the upper and outer edge near the base is somewhat crested irregularly and asj'rametrically sinuous, the right branch more strongly bowed than the left, both curved upwards at the tip; in the $ depressed, stout, trigonal and conical, contiguous, depressed, gently hooked at the apex. 6 ? Length of body 20 mm. 18-20 mm. „ forceps 5 „ 4 „ SiKKiM: Darjiling (Brit. Mus.); Madras : Kodaikanal {coll. Bolivar), Guynol, Nilgiri Hills [Pasa CoZZ.], TJtakamand (Brit. Mus., coll. Burr). Ti/2oe in the Vienna Museum. The strongly dilated and crested last dorsal segment and. the upcurved, stout, dilated forceps readily distinguish this species. Genus CRANOPYGIA, Burr. Cranopygia, Burr, (08^) p. 389. Pygidicrana, Authors. Type, Pygidicrana cumingi, Dohrn. Pronotum subrecrangular, the angles themselves rounded. Penultimate ventral segment in c? narrow, lanceolate, the apex itself rounded; last dorsal segment in $ with the external angles on each side furnished with a compressed crested tubercle. Porceps of d depressed and contiguous. Otherwise agrees with the preceding genera. ^ Range. Ceylon. This genus contains two Singhalese species characterized by the nearly square pronotum and narrow penultimate ventral segment of the male.
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