Lithostege usgentaria Christoph
Creators: name: Sh, Hossein Rajaei
name: Stüning, Dieter
name: Viidalepp, Jaan
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Lepidoptera
Geometridae
Lithostege
Lithostege usgentaria

description: L. usgentaria Christoph
(Figs. 9, 40, 62; Map 3)
Lithostege usgentaria Christoph. 1885: 131, pl. 6, fig. 11. Syntypes (not traced). Type locality: “Mergelhügel” near Krasnowodsk [now Turkmenbashi] (Turkmenistan).
Lithostege usgentaria: Prout, 1914: 173, 11b; Prout, 1938: 241, pl. 18k; Viidalepp, 1996: 47; Parsons et al., 1999: 547.
Material examined. 6 3, 11 Ƥ: 1 Ƥ, 1 3: ‘[Turkmenistan], Tura’, ‘Coll. Great Knjaz Nikolaj Mikhajlovich’, ‘455’; in ZISP. 1 3, 1 Ƥ: Turkmenistan, 50 km N of Ashkhabad, 100 m, 17.IV.1993, No. L88, 58 °33'E, 38°22'N, leg. M. Hreblay, Gy. Laszlo, A. Podiussany, preps 3 1017/2010, Ƥ 1016/2010 H. R.; both in ZSM. 2 3, 2 Ƥ: „Turkmeenia” [Turkmenistan] 1977, Repetek 16–17.04, gen. prep. 3 7548, J.V.; 1 Ƥ: „Turkmeenia” [Turkmenistan], Kyzyl-Arvat, 27.04.1984, Martin & Talve leg.; 1 3: Turkestan mer., Iolotanj, 14.04.[19]77, lum., terr. psamm., Kozakevitsh leg., gen. prep. 7548, J.V.; in IZBE. 3: Turkmenistan: Central Karakum desert; Murgab; Badkhyz; Kopet-Dagh: Germob, in IZAT. 1 Ƥ, USSR, Uzbekistan, Buchara, 25.4.[19]82, gen. prep. 1078/2010 H. R.; 3 Ƥ, Afghanistan, Herat, 970 m, 15.4.1956, H. G. Amsel leg., gen. prep. 1079/2010 H. R.; in ZFMK. 1 Ƥ: same data, gen. prep. 1061/2010 H. R., in SMNK. Preparations of genitalia: 3 3, 3 Ƥ.
Description & Diagnosis. Wingspan 21–25 mm. Wings light grey or brownish-grey, dark grey distal half of medial band edged by smoothly curved white lines (gently incurved below CuA2). Antemedial line oblique, a double until lower vein of cell, simple, whitish and sharply angled in cell. Hindwings grey or brown, almost without pattern (Fig. 9). Fore-tibia with epiphysis (inner distal projection) shorter than in L. bosporaria. Male genital armature (Fig. 40) smaller than in L. bosporaria, valves distally evenly rounded, harpe similar, a little longer, dorsal process of harpe parallel to valve costa, distinctly longer and a little narrower than in bosporaria; saccus triangular, in bosporaria rather elongate and distally rounded; uncus longer and narrower than that in L. bosporaria. Female antrum broad and cup-shaped, its posterior margin with a U-shaped notch (Fig. 62); apophyses posteriores 2 times longer than apophyses anteriores; ductus bursae long, broad, strongly sclerotized; corpus bursae globular, interiorly spiculate; anterior diverticulum present.
Bionomics. Specimens studied are collected in April.
Additional data on distribution based on literature sources. Shchetkin (1965a): South Tajikistan; Falkovitsh (1986): Uzbekistan and South Kazakhstan.
Distribution. S and SE of Turkmenistan to southern and eastern parts of Uzbekistan, W Tajikistan, S Kazakhstan and W Afghanistan. May also occur in NE Iran (Map 3).
description: Published as part of Sh, Hossein Rajaei, Stüning, Dieter & Viidalepp, Jaan, 2011, A review of the species of Lithostege Hübner, [1825] 1816 (Lepidoptera: Geometridae, Larentiinae), occurring in Iran and adjacent countries, with description of two new species from Iran and Pakistan, pp. 1-46 in Zootaxa 3105 on pages 10-11, DOI: 10.5281/zenodo.279200