Apteroloma anglorossicum Semenov 1890

Apteroloma anglorossicum (Semenov, 1890)

(Figs 1, 5, 10, 14, 18–19, 22, 24–30)

Pteroloma anglorossicum Semenov, 1890: 297.

Apteroloma jankovskii Semenov and Znojko in Semenov, 1932: 340 (synonymy by Schawaller (1991)) Pteroloma klapperichi Hlisnikovský, 1964: 27 (synonymy by Schawaller (1991))

Type material examined. Holotype male of P. anglorossicum (ZMAS), labelled “Kandshut 7.700′ [ca. 2350 m] / Baltid [= Pakistan: Hunza valley, ca. 36°19'N, 74°39'E] 1. IX. [18]88 / Grombczewsk[y] [leg.] [in Cyrillic] // [round golden label] // Pteroloma anglorossicum / m. / [male symbol] Typ. un. ASem[enov] II. [18]93 [hw, Semenov’s handwriting] // Coll. Semenov-Tian-Shansky [p] // [large orange label] // Zool. Inst. / St. Petersburg [p]” (left elytron missing).

Holotype female of A. jankovskii (ZMAS), labelled “Verkh. Padsha-Ata / r. Ming-dzhilky’ [= Padsha-Ata stream (in Namangan), ca. 41°00'N, 71°40'E, upper course of Ming-dzhilky river, N Fergana valley, Uzbekistan] / 11.VII. [19] 29 I. Yank[ovskiy] [leg.] [in Cyrillic] // [round golden label] // Apteroloma / jankovskii nov. / Typ. un. [hw] / A. Semenov-Tian-Shansky [p] & Znojko [hw] det. [p] III. [19]32 [hw, Semenov’s handwriting] // [large orange label] // Apteroloma / anglorossicum [hw] / det. Schawaller [p] 1990 [hw] // Zool. Inst. / St. Petersburg [p]”.

Holotype male of P. klapperichi (ZFMK), labelled “J. Klapperich [leg.] / Do-Schak, 2500m / Khinjantal [= Khinjan, Baghlan province, ca. 35°36'N, 68°54'E], 26. 9. [19]52 / Hindukusch / O. Afghanistan [p] // Holotypus [p, red label] // PTEROLOMA Holotyp / KLAPPERICHI m. [male symbol] [hw, Hlisnikovský’s handwriting] / det. Hlisnikovský 19[p] 64 [hw] [pink label]”.

Additional material examined. Afghanistan: Baghlan province, Khinjan district, Hindu Kush, Salang mountain range, NE Salang pass, 2200–2400 m, 35°27.494'N, 68°58.399'E, 28.x.2010, small valley, single trees, small bushes, tall forbs, thistles, grass, Ch. Reuter leg., 1 male (JRUC); Kyrgyzstan: 25 km S Frunze [= Bishkek, ca. 42°38'N, 74°30'E], 800 m, 23.–27.v.1969, Emetz leg., 1 male (ZMAS); Pakistan: [Khyber Pakhtunkhwa province], Chitral [ca. 35°50'N, 71°46'E], Lotkoh, 2350 m, 29.v.1983, Besuchet & Löbl leg., 2 males, 3 females (MHNG); same data, 1 male, 1 female (JRUC); same data, 1 male, 1 female (SMNS); Cachem et Jam. [Gilgit- Baltistan], Skardu [ca. 35°21'N, 75°54'E], 18.ix.–4.x.1953, F. Schmid leg., 4 males, 2 females (MHNG); Northern Areas [= Gilgit-Baltistan], Gilgit district, Kargah Valley, 35°53'51.4''N, 74°14'17.1''E, 1694 m, 26.x.–3.xi.2008, pitfall trap, L. Latella leg., 2 males (MCSV); Northern Areas [= Gilgit-Baltistan], Gilgit district, Bagrot Valley, 36°02'00.53''N, 74°34'01.01''E, 2444 m, 25.x.–2.xi.2008, pitfall trap, L. Latella & R. Ahmed leg., 1 female (SMNS); Not located: Kashmir, Lobzang, without date, [ex] Coll. Hauser, ex coll. Stocklein, 1 male (NHMB).

Diagnosis. Body length 6.0– 6.5 mm. Body pale brown to brown (Fig. 1). Pronotum with regularly and densely distributed, large punctures; surface glossy, without microsculpture (Figs. 5, 29–30); ca. 1.7–1.8 times as wide as long medially; pronotum only slightly elevated and distinctly narrowing posteriad laterally (Fig. 5). Elytra broad, oval and flat, ca. 1.2–1.3 times as long as wide (Fig. 1); surface on intervals glossy, without microsculpture, with several short setae (Fig. 14); punctures in striae large, similar in size to pronotal punctures (row 3 with 48–58 punctures) (Figs. 10, 14); lateral margin of elytra smooth. Aedeagus with pointed, dorsally elevated apex in lateral view (Fig. 18); sides before apex distinctly broadened and heavily sinuate, apex widely, evenly rounded in dorsal view (Fig. 19). Female sternite 8 posteriorly evenly rounded; spiculum ventrale wide, rectangular anteriorly (Fig. 22).

Comments on synonymy. The male holotype of P. anglorossicum shares all diagnostic characters with the female holotype of A. jankovskii, namely lack of microsculpture on pronotum and elytra, dense punctures on pronotum and elytra of equal size, lateral margin of elytra smooth and body with pale brown colouration. Here we confirm the synonymy of the two names, already proposed by Schawaller (1991), and document in detail the habitus of holotypes of both species (Figs. 24–30).

The holotype of P. klapperichi was studied long time ago by both WS and JR. According to Dirk Ahrens, curator in ZFMK (personal communication, October 2013), it cannot now be located in the collection after large rearrangements and transfer of the collection into unit trays. The holotype specimen was also not located during the visit of JR to ZFMK in May, 2014. Here we follow the synonymy proposed by Schawaller (1991).

Distribution. Widely distributed, but generally sparse localities are known from Afghanistan, Pakistan, Kyrgyzstan and Uzbekistan. Nikolaev & Kozminykh (2002) also reported the species for Tajikistan and India, without more precise details. The above mentioned specimen from “Kashmir, Lobzang” has not been georeferenced. Known distribution is mapped on Fig. 38.