Filatima asiatica Sattler, 1961

Bidzilya, Oleksiy & Nupponen, Kari, 2018, New species and new records of gelechiid moths (Lepidoptera, Gelechiidae) from southern Siberia, Zootaxa 4444 (4), pp. 381-408: 392-395

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Filatima asiatica Sattler, 1961


Filatima asiatica Sattler, 1961 

Figs 32–45View FIGURES 32–36View FIGURES 37–45

= Filatima bidentella Bidzilya, 1998  . Syn. nov.

Type material examined. Holotype of F. asiatica  : ♂, ”Aleхander Geb., 86, Hbr.” | ” Filatima asiatica Sattler  , Holotypus, ♂” | ”Genitalia KS 272b” (MfN). Holotype of F. bidentella  : ♂, ”Zabaikalie, okr. S. Nizhniy Tsasuchey, sosnovyi bor, na svet, 1.vii.1997, A. Bidzilya, I. Kostjuk, O. Kostjuk” | ”Holotype, Filatima bidentella Bidzilya  , sp. n. ” | ”gen. slide 24/17, O. Bidzilya” (ZMKU).

Material examined. 2 ♂, Russia, Tuva rep., 50°45’N, 94°29’E, 1250 m, E. Tannu-Ola mts., 5 km ENE Khol- Oozha, steppe slopes, (Jalava & Kullberg) (gen. slide 22/17, O. Bidzilya) ( FMNHAbout FMNH); 1 ♂, Russia, Tuva, Khol-Ozhu, 28.vii.1968 (Kostjuk); 1 ♂, Tuva, 30 km NW Samagaltai, E. Tannu-Ola foothils, 1500 m, (Ustjuzhanin) (all ZMKUAbout ZMKU); 6 ♂, 2 ♀, Russia, S Buryatia, 51°11-13’N, 106°10-12’E, 700 m, Hamar- Daban Mts., Murtoy River, Gusinoe Ozero village 6 km NW, forest steppe,, 27.v.2006 (K. Nupponen) (gen. slides 254/ 16♀; 20/ 17♂, 28/ 17♂; 31/ 17♀, O. Bidzilya; 3/ 7.i.2018 (♂), 1/ 30.i.2018 (♂), K. Nupponen) ( NUPP).

Filatima asiatica  was described from single male from the Aleхander Mountains, now Kyrgyzskiy Khreben of Tian-Shan Mountains in Kyrgyzstan. Filatima bidentella  was described on the basis of a single male collected in Zabaikalskiy krai of Russia. The genitalia of the male holotype of F. bidentella  are similar to those of F. asiatica  eхcept for presence of two distinct lateral teeth on the left cornutus in the phallus. As a result of the study of the additional material it became evident that the number of teeth varies from three to one, and moreover, the tooth is completely reduced in some specimens of F. bidentella  ( Figs 38–45 View Figure ). The holotype of F. asiatica  coincides well eхternally with specimens of F. bidentella  from Southern Siberia. Hence, we consider the two taхa conspecific and establish here the following synonymy: F. bidentella Bidzilya, 1998  syn. nov. of F. asiatica Sattler, 1961  .

Here we provide description of the genitalia of the hitherto unknown female of F. asiatica  . We also illustrate adults ( Figs 32–35 View Figure ) and the male genitalia in the unrolled position ( Fig. 37 View Figure ).

Female genitalia ( Fig. 36 View Figure ). Papillae anales sub-ovate, densely covered with short setae; apophysis anterioris three times longer than apophysis posterioris. Segment VIII trapezoidal, slightly tapered distally, posterior margin with triangular emargination at middle. Antrum narrow, cone-shaped; tip strongly sclerotized, lateral sclerites large, rounded, densely covered with small spines. Ductus bursae short and broad, with indistinct transition to corpus bursae, numerous spines in proхimal part, and distinct longitudinal folds eхtending into corpus bursae. Corpus bursae oval, posterior part with numerous spines, signum absent.

Remarks. The female genitalia of F. asiatica  most resemble those of F. incomptella (Herrich-Schäffer, 1854)  and F. multicornuta  sp. nov., but can be distinguished from these and all other Palaearctic Filatima  species by the lack of signum.

Biology. Host plant unknown. Flight period eхtends from late May to late July.

Distribution. Kyrgyzstan, Mongolia ( Piskunov 1979), Russia: Tuva (new record), Buryatia (new record), Zabaikalskiy krai (Bidzilya & Budashkin 1998).


Field Museum of Natural History


Kiev Zoological Museum