Dermestocyphon (Himacyphon) optatus Ruta & Yoshitomi & Klausnitzer 2013, comb. nov.
Creators: name: Ruta, Rafał
name: Yoshitomi, Hiroyuki
name: Klausnitzer, Bernhard
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Scirtidae
Dermestocyphon
Dermestocyphon optatus

description: Dermestocyphon (Himacyphon) optatus (Klausnitzer, 1980), comb. nov.
(Figs 14–15, 21–23, 28, 35–37, 103–110)
Cyphon optatus KLAUSNITZER, 1980: 203.
Cyphon (Oreocyphon) optatus: KLAUSNITZER (2008: 87).
Material examined. NEPAL: 7 ♂♂ (KUMJ, EUM, NMW), “(E. NEPAL) Basantapur (2300m) 27°07’N, 87°24’E May 4, 1972 Malaise Trap (2) Kyushu Univ. Col.”; 4 ♂♂, ditto, but May 8, 1972; 3 ♂♂, ditto, but May 7, 1972; 2 ♂♂, 1 ♀, ditto, but May 9, 1972; 21 ♂♂, ditto, but May 6, 1972, 1 ♂ genitalia on slide no. HY 786; 4 ♂♂, ditto, but May 5, 1972; 1 ♂, ditto, but May 2, 1972; 3 ♂♂, ditto, but May 3, 1972, 1 ♂ genitalia on slide no. HY 748; 1 ♂ (CKD), “ Karnali / Humla, 6 km NW Simikot, Dandaphaya (Dharapuri), 30°00’09’’ N, 81°46’08’’ E, 2300 m, 18.06.2001, leg. A.Weigel ”; 1♂ (CKD), “ Koshi, Mutidhunga-Chitre, 2200–2400 m, 28.05.1985, leg. M. Brancucci ”; 1 ♂ (CKD), “ Koshi, Basantapur, 2300 m, 30.05.– 02.06.1985, leg. M. Brancucci ”; 1 ♂ (CKD), “ Langtang, Rain Forest, 2300–2800 m, 05.–06.1990, leg. S. Bilý ”; 1 ♂ (CKD), “ Gandaki, Kopchepani, 1500–1700 m, 15.05.1984, leg. C. R. Rai ”. 1 ♂ (ZMHB) “ Nepal: Umg. Jalkini (15 km n. Kathmandu), 1700m, 7 IV 1991, Erber”. INDIA: SIKKIM: 3 ♂♂ (BMNH), “ Sikkim: Singhik. / 3,500 ft. 23.iv.1924. / Maj. R.W.G. Hingston ”, “Everest Exp. / Brit. Mus. / 1924-386.” UTTARAKHAND: (CKD), 4 ♂♂, “Ranikhet, leg. Ch. J. Rai ”; 2 ♂♂, “ Almora, leg. Ch. J. Rai ”; 1 ♂, “ Bhatkot, leg. Ch. J. Rai ”; 1 ♂ (BMNH), “ West Bhatkot, Kumaon, 4000’, May ’20, HGC.”, “ H. G. Champion Coll., B.M. 1953-156”; 1 ♂ (BMNH), “W Almora Divu, Kumaon U. P., Apr, 1918, HGC.”, “H. G. Champion Coll., B. M. 1953-156”. WEST BENGAL: (NMB, NME, CKD), 4 ♂♂, “ Suntuk, 900 m, 14.05.1986, leg. Ch. J. Rai ”; 1 ♂, “ Yok Forest, 2000 m, 06.05.1986, leg. Ch. J. Rai ”; 1♂, “ Shukubarry, 1000 m, 11.04.1986, leg. Ch.J. Rai ”; 1♂, “ Kurseong, Thingay, Bari, 800 m, 15.04.1991, leg. N. Dangal ”; 2 ♂♂, “ Kalimpong, Dumra Busty, 1000 m, 29.03.1991, leg. N. Dangal ”; 2 ♀♀ (BMNH, CKD). “ INDIA: Darjeeling D., Shukubarry, 1000 m (KPG), 11.04.1986, leg. Ch. J. Rai. ” ARUNACHAL PRADESH: 1 ♂ (CKD), “ Dirang vicinity, 27°21’23’’ N, 92°13’16’’ E, 1550± 150 m, 01.– 09.06.2004, leg. L. Dembický ”.
Description of female. Elytra with a pair of round depressions (diameter 0.10 mm) near scutellum, with fungiform outgrowth in middle (Fig. 15). Sternite VII triangular (L 0.42–0.43 mm; W 0.87 –0.98 mm), caudal margin straight, with membranous flap (Figs 35, 36). Tergite VII (L 0.47–0.50 mm, W 0.55 –0.57 mm) with concave structure at mesal portion of apical margin (Fig. 37). Tergite VIII with rectangular plate (L 0.30–0.32 mm, W 0.22 –0.27 mm) with fine hairs at margin, and long apodemes (L 0.85–0.93 mm) (Fig. 108). Sternite VIII (L 0.55–0.58 mm, W 0.26 –0.28 mm) with long diverging plate, distal margin rounded on both sides, with a group of fine hairs (Fig. 107). Ovipositor relatively long; proctiger membranous; lateral processes elongate, with two tufts of setae (Fig. 109); coxite (L 0.28–0.30 mm). Distal bursellar sclerites not discernible. Proximal bursellar sclerite (L 0.14–0.16 mm; W 0.20 –0.21 mm) with one tooth at proximal margin (L 0.07 mm), and two teeth at distal margin with (L 0.03 mm) (Fig. 110).
Distribution. Nepal, India.
description: Published as part of Ruta, Rafał, Yoshitomi, Hiroyuki & Klausnitzer, Bernhard, 2013, Review of the genus Dermestocyphon (Coleoptera: Scirtidae: Scirtinae), pp. 253-285 in Acta Entomologica Musei Nationalis Pragae 53 (1) on page 279, DOI: 10.5281/zenodo.5740395