Achrus albicosta (Kusnezov, 1929)

(Figs 1–18, 21–35)

Symphypyga albicosta Kusnezov, 1929: 343 .

Achrus albicosta: Nast, 1972: 210 .

Achrus albicosta: Mitjaev, 1971: 96, fig. 27: 2–6.

Achrus albicosta: Linnavuori, 1982: 114, fig. 12.

Symphypyga albiguttata Kusnezov, 1929: 343, syn. by Emeljanov, 1975: 390.

Supplementary description. Coloration (Figs 1–18). Head, pro- and mesonotum from pale yellow to yellow light brown or dark brown (in dark specimens). Legs from yellow to brown. Thorax below from light yellow to black (in dark specimens). Forewings from light green yellowish, with white costal stripe to light green yellowish, with white costal stripe and white dots on corium and clavus and to dark brown, with white costal stripe and white dots. Abdominal sternites from light yellow to black, with yellow margins (in dark specimens). Genital segments in males and sternite VII and ovipositor in females from light yellow to yellow light brown.

Male genitalia (Figs 21–35). First sternal apodemes nearly oval (Fig. 30). Second sternal apodemes long, reaching hind margin of second sternite, wide, widely rounded apically (Figs 27, 30, 31). Anal tube rather long, with narrowing apically appendages (Figs 21, 32). Anal column (paraproct) long. Each pygofer lobe sharply excavated, narrowing apically (in lateral view) (Figs 21, 32, 35). Genital valve widely triangular (Fig. 24). Subgenital plates long, narrowing apically, without teeth, covered by small setae ventrally. Connective long and narrow (Figs 28, 29). Aedeagus with narrow basal part and slightly curved shaft (in lateral view) (Figs 23, 34). Aedeagal shaft narrowing apically (in ventral view), with dentate lateral margins and apical gonopore (Figs 22, 33). Apex of adeagal shaft curved—hook-shaped (in lateral view). Style with two lobes narrowing apically—one straight apically, with subapical tooth and another one curved (hook-shaped) apically (Figs 25, 26).

Female genitalia (Fig. 4). Sternite VII with sharply notched medially hind margin. Ovipositor short—valves slightly protruding beyond apices of pygofer.

Type material examined. Kazakhstan: female, “ Perovsky u. [Kyzylorda Region]/ Yany Darja / 5 V 1910 ”//“ Symphypyga / albicosta 1927 / typus. V. Kusnez.” [hand-written in ink, in Russian] . Turkmenistan: female, “ Turkestan / Repetek / 13 VI 1918 ”//“ Symphypyga / albiguttata 1927 / typus. V. Kusnez.” [hand-written in ink, in Russian] .

Other material examined. China, Inner Mongolia Autonomous Region: 1 male, 1 female, Shartszan-sume— Etszin-gol, Alashan’, 14–15. V.1909, P. K. Kozlov leg. ; 1 female, Etszin-gol—Khara-Khoto, Central Gobi, 15. V. –10. VI.1909, P. K. Kozlov leg. Mongolia: 2 males, 1 female, Ömnögovi aimag, 30 km NNE Bulgan, Bain-Dzag, 26–28.VII.1967, I. M. Kerzhner leg. ; 1 male, 11 females, Ömnögovi aimag, Bordzon-Gobi, 30 km SSE Nomgon, 5-8.VII.1967 , A. F. Emeljanov, I. M. Kerzhner & M. A. Kozlov legs; 2 females, Khovd aimag, 30 km North of Ikh-Khavtgiyn-Nuru Range, 10.VIII.1968, A. F. Emeljanov leg. ; 1 female, Govi-Altai aimag, Shargyn-Gobi, 10 km NE and East of Bayan, 23.VIII.1967, A. F. Emeljanov leg. Kazakhstan: 1 male, Aksu, Kopal’sky county [Almaty Region], Semirechye, 6–10. V.1909, Shnitnikov leg. ; 1 male, Kara-Tuz Lake, Balkhash, 15–16. V.1909, Shnitnikov leg. ; 1 male, Kendyrlyk, Betpak-Dala, 23. V.1936 , exp. Sagu; 16 males, 43 females, Ak-Kol, Bakanas, Ili River, 16. V. –23. VI.1953, Parfent’ev leg. ; 14 males, 10 females, Central Betpak-Dala, 10 km S of Birtesken well, 12. VI.1961 , on Haloxylon persicum Bunge, A. F. Emeljanov leg.; 2 males, 1 female, Central Betpak-Dala, Chekmen’ -Kazgan saline, 14. VI.1961, A. F. Emeljanov leg. ; 1 male, 2 females, Betpak-Dala, 13.VII.1960, R. Asanova leg. ; 4 females, Betpak-Dala, environs Jambyl, on saxaul, 28.VII.1960, R. Asanova leg. ; 7 males, 4 females, Karaganda Province, SW coast of Kutansor Lake, 9. VI.1961, A. F. Emeljanov leg. ; 6 males, 4 females, Jambyl Province, Kara Saj railway siding, North of Chu station, 16.VII.1960 , on white saxaul [ Haloxylon persicum Bunge], I. M. Kerzhner & A. F. Emeljanov legs. Turkmenistan: 1 male, 3 female, Repetek, 14.III.1958, G. S. Medvedev leg. ; 1 male, Repetek, 31. V.1962, V. A. Tryapitsyn leg. Tadzhikistan: 1 female, Kashka-kum sands, Molotovab. District [Vakhsh Valley], 26.IV.1952, Shchetkin leg. Uzbekistan: 2 females, kl. Kongir, Kyzylkum, Dzhizak county [Samarqand Region], 14. V.1914, Pel’ts leg. ; 8 males, 6 females, 105 km N Shafrikan, on black saxaul [ Haloxylon ammodendron (C.A. Mey) Bunge], 20.IV.1964, M. M. Loginova leg. ; 1 male, Ajakguzhumdy, 6.VII.1969, A. F. Emeljanov leg. Iran: 2 males, 12 females, Kerman Province, 25 km East of Rafsanjan, 1679 m, N 30º18.098´E 56º19.167´, 23. VI.2019, V. M. Gnezdilov leg. ; 1 male, 4 females, Yazd Province, 10 km SE Mehriz, 1449 m, N 31º31.481´E 54º35.184´, 23. VI.2019, V. M. Gnezdilov leg. Turkey: 1 male, Elaziğ Province, Harput District, Gäkçebağlar, N 38º45.239′ E 39º14.654′, 1097–1200 m, 12.IX.2020, V. M. Gnezdilov leg.

Note. The shrubs of the genus Haloxylon are known as host plants for this species (Emeljanov 1975, 1977; Mitjaev 2002). In Uzbekistan the species was recorded also on Kochia sp. and Krascheninnikovia sp. ( Amaranthaceae) (Dubovsky & Sulaymanov 1983). In Iran VMG collected the species on Haloxylon sp. ( Amaranthaceae).