Lambaesia pistrinariella ( Ragonot, 1887 )

Yepishin, Viktor, Bidzilya, Oleksiy, Budashkin, Yuriy, Zhakov, Oleksandr, Mushynskyi, Vadym & Novytskyi, Sergiy, 2020, New records of little known pyraloid moths (Lepidoptera: Pyraloidea) from Ukraine, Zootaxa 4808 (1), pp. 101-120 : 110-112

Lambaesia pistrinariella ( Ragonot, 1887)

( Figs 27–31 )

Megasis pistrinariella Ragonot, 1887: 240 . TL: Narün [Naryn, Kazakhstan].

= Megasis acomptella Ragonot, 1888: 26 . TL: Kouldja [Yining, China].

Material examined: 1♀, Zaporizhzhia reg., Yakymivka distr., Kyrylivka, Fedotova spit, 10.vii.2018 (V. Mushynskyi), genitalia slide: O. Bidzilya prep. no. 156 / 19♀ ( VM) . 1♂, Zaporizhzhia reg., Pryazovsk distr., Stepanivka-1, Stepanivska spit, 16.vii.2018 (V. Mushynskyi), genitalia slide: O. Bidzilya prep. no. 244 / 18♂ ( VM) .

Re-description (female of L. pistrinariella is described here for the first time).

Adult ( Figs 27–29 ). Wingspan 27–34 mm. Length of forewing approximately 3.5× as its width, in female slightly narrower in apical 1/3 than in male. Head, labial palpus, patagium, thorax and tegulae from light grey to beige. Frons with tringular tuft of scales. Labial palpus twice as long as head, directed forward ( Figs 28b, 29b ), segment 2 densely covered with long scales on upper and lower surface, segment 3 about 1/3 length and 1/3 width of segment 2. Antennae light grey, scape twice as long as broad, flagellum filiform, underside brown (without scales), cilia in male equal in length to diameter of antenna, cilia in female approximately 1/2–1/3 of diameter of antenna and not as densely as in male ( Figs 28a, 29a ). Forewings from light grey to beige, in male uniformly coloured, in female medial area shaded with light brown from base to 1/2 length, cubital vein brown to mid length and costal area lighter than background. Fringes lighter than background of forewing. Hindwing light grey, cubital stalk brown, marginal line light brown, fringes white.

Female genitalia ( Fig. 31 ). Papillae anales sub-triangular, elongated, densely covered with long hairs; apophyses posteriores straight, twice as long as the length of papilla analis; apophyses anteriores slightly broadened and curved at base, asymmetrical, the right one as long as apophyses posteriores, the left one 3/4 length of apophyses posteriores; segment VIII nearly as long as broad, tergum evenly sclerotized, sternum covered with short setae, anterior margin with reverse V-shaped medial emargination, posterior margin straight; antrum short, slightly broader than ductus in its distal portion, membranous, ductus bursae short; corpus bursae rounded, its diameter subequal length with segment VIII, with numerous short hook-shaped signae in anterior portion; ductus seminalis narrow, ribbon-shaped, arises from sub-triangular posterior expantion on the right side of corpus bursae, appendix 3× as broad as ductus seminalis, arises from the anterior portion on the left side of corpus bursae.

Remarks. Megasis pistrinariella was described based on an unspecified number of specimens from “Narün”. One male (with broken distal portion of abdomen) from this locality collected by Henke and labelled as “type” is kept in MfN. According to ICZN (Articles 73.1.2, 74, recommendation 73F) this specimen with its original labels: “Narün, Henke” | “Sydella ??” | “pl. VII. Fig. 7 ” | “47” | “ Megasis , pistrinariella, Rag. type.” | “OTTO”, and additional labels: “Zool. Mus., Berlin ” | “ Holotypus, Nr.” | “[QR code], http://coll.mfn-berlin.de/u/, dbca89” ( Figs 27, 27a ) should be considered as a syntype. Here we designate it as lectotype in order to stabilize nomenclature.

Roesler (1993) interpreted Narün as a city of Naryn in Kyrgyzstan (Naryn region, Naryn district). However, Staudinger (1879: 315) indicated precisely that the material collected by Henke originated was from the desert area northeast from Astrakhan, between the Volga and Ural rivers. This area is also called as Ryn-sands, Ryn, Narynsands (from the Kazakh “Нарын ҚҰМы”). Now, name Naryn (another name is Raz`ezd No. 13) is attributed to vil- lage in the Isatay district of Atyrau region of Kazakhstan.

As a result of confusion with type locality, L. pistrinariella has not been mentioned for Europe ( Speidel 1996) despite the fact that Naryn is located about 100km westwards from Ural River,the formal border between Europe andAsia.

Although the lectotype of L. pistrinariella looks darker, light brown rather than pale-creamish, we have no doubt that male from Ukraine is conspecific with a lectotype as it matches in all details of the wing pattern to the latter. The male genitalia of Ukrainian specimen correspond well with drawing by Roesler (1993 pl. 14, fig. 6). As far as we can judge from the study of one specimen, the female genitalia of L. pistrinariella can be distinguished from Lambaesia fumosella ( Ragonot, 1887) and L. straminella ( Zerny, 1914) by short, rounded, rather than distinctly prolonged corpus bursae, asymmetrical apophyses posteriores and well developed appendix of the corpus bursae. Bradyrrhoa confiniella ( Zeller, 1848) has very similar female genitalia, but apophyses anteriores are symmetrical and ductus bursae with adjacend posterior portion of ductus bursae are densely covered with microspines ( Roesler 1993, pl. 52, fig. 20). Bradyrrhoa marianella Ragonot, 1887 has somewhat similar to L. pistrinariella external ap- pearance and the male genitalia, though the forewing are broader with more distinct light brown markings, uncus is narrower, cornutus in the vesica of the aedeagus is shorter and sternum VIII of female genitalia of another shape.

Biology. Host plant is unknown. Adults were collected in mid July on a sandy see spit. The vegetation is represented mainly by Poaceae and Artemisia spp., with scattered plants of Limonium spp., bushes of Eleagnus angustifolia L. and others.

Distribution. W Kazakhstan, W China, Turkey, Iran ( Roesler 1993); first record for Ukraine: Zaporizhzhia region; first record for Russia: Astrakhan and Orenburg regions (Tsvetkov, unpublished data, pers. comm.).

Figures

FIGURES 27–29. Adults of Lambaesia pistrinariella. 27, 27a. Holotype of L. pistrinariella with labels (courtesy Théo Léger, MfN, Berlin, Germany). 28. Male. 29. Female. 28a, 29a. Antennae. 28b, 29b. Head, lateral view. The arrow indicates the absence of scales of frons due to the stale specimen. 27. ♂, Kazakhstan, holotype. 28. ♂, Zaporizhzhia reg., 244/18. 29. ♀, Zaporizhzhia reg., 156/19.

FIGURES 30–31. Genitalia of Lambaesia pistrinariella. 30. Male genitalia, aedeagus is separated, and culcita. 31. Female genitalia. 30. ♂, Zaporizhzhia reg., 244/18. 31. ♀, Zaporizhzhia reg., 156/19.

FIGURES 1–9. Adults of Hyperlais spp. 1–6. Hyperlais claralis. 7–9. Hyperlais dulcinalis. 1. Holotype of Cybalomia lutosalis var. claralis Caradja, 1916 (from website of the National Institute of Heritage database). 2. ♀, Kazakhstan, Zharkent, prep. no. 136.19. 3. ♀, Kherson reg., prep. no. 163.19. 4. ♂, Kherson reg. 5. ♂, Kherson reg. 6. ♂, Kherson reg., prep. no. 164.19. 7. ♂, Crimea, prep. no. 160.19. 8. ♂, Odesa reg., prep. no. 169.19. 9. ♂, Odesa reg., prep. no. 170.19.