Ectoblemma rosella Sugi, 1982

Sohn, Jae-Cheon, 2022, New records of five species of Lepidoptera (Cosmopterigidae, Tortricidae, Pyralidae and Erebidae) from sand-dunes along the western coastline of Korea, Journal of Species Research 11 (1), pp. 61-66 : 64-65

Ectoblemma rosella Sugi, 1982

®꼬ŔḇḆ나ḏ ( Figs. 1D , 3C )

Ectoblemma rosella Sugi, 1982: 803 . Type locality: Japan, Shizuoka Pref., Iwata .

Description ( Fig. 1D ). Head with vertex grayish pink, intermixed with pale brown scales; frons dark brownish gray; labial palpus pale yellowish gray, intermixed with fuscous scales; antenna 1/2 as long as forewing, pale yellowish gray. Thorax with tegula and mesonotum dark pink, intermixed with pale brown scales. Forewing length 4.2 mm, triangular, angulate at middle of termen, grayish pink, intermixed with pale brown and dark brown scales; antemedian and postmedian lines dark brown, curved at anterior 1/3; subterminal area with dark brown irrorations; terminal dashes dark brown; fringe grayish pink in basal half, pale orange in distal half, intermixed with dark brown scales. Hindwing concolorous with forewing, angulate at anterior 1/5; antemedian dash dark brown; postmedian line curved at anterior 1/4, dark brown; subterminal line pale pink; terminal dashes dark brown; fringe grayish pink, intermixed with dark brown scales. Female genitalia ( Fig. 3C ) with papillae anales subrectangular, setose; apophyses posteriors 1.3 × longer than apophyses anteriores; ductus bursae gradually broadened to corpusbursae, scobinate in caudal 1/3, dilated at connection with ductus seminalis; corpus bursae small, globular; signum absent.

Material examined. 1$, Jeollanam-do, Sinan-gun, Is. Jaeundo, Jaeun-myeon, Gojang-ri , Oegi sand-dunes (N34°53 ʹ 44.5 ʺ, E126°00 ʹ 27.4 ʺ), 16 July 2017 (JC Sohn), [ GSN] SJC-1301, NIBR .

Distribution. Korea (new record), Japan, India.

Host plants. Unknown.

Remarks. The online collecting data of this species in Japan suggest that it occurs in various types of habitats including coastal dunes. The monotypic genus Ectoblemma Sugi, 1982 is reported for the first time from Korea.

Figures

Fig. 1. Adult habitus. A. Cosmopterix flavidella Kuroko, 2011, male. B. Noduliferola abstrusa Kuznetzov, 1973, female. C. Maliarpha borealis Sasaki, 2012, male. D. Ectoblemma rosella Sugi, 1982, female. E. Metachrostis miasma (Hampson, 1891), male. Scale bars=4 mm.

Fig. 3. Female genitalia.A. Noduliferola abstrusa Kuznetzov, 1973. B. Maliarpha borealis Sasaki, 2012. C. Ectoblemma rosella Sugi, 1982.