Xyrosaris lichneuta Meyrick, 1918, 2023

Na, Sol-Moon & Bae, Yang-Seop, 2024, Review of the genus Xyrosaris Meyrick (Lepidoptera, Yponomeutidae, Yponomeutinae) from Korea, with two new species, Zootaxa 5397 (3), pp. 418-426 : 420

Xyrosaris lichneuta Meyrick, 1918

( Figs 2A, 2B, 2C , 3A, 3E , 4A , 5A )

Xyrosaris lichneuta Meyrick, 1918: 188 . TL: India (Assam, Khasi Hills); Moriuti, 1977: 224; Oku, 2003: 26; Komatsu, 2020; 64; Yagi, 2022: 47.

Xyrosaris melanopsamma Meyrick : 171. TL: Japan (Honshu, Gifu Pref., Ikeno ).

Diagnosis. This species is variable in regard to coloration and markings, and divided into two distinct color forms, the brown and dark gray. A distinct character on forewing is the zigzag blackish brown patch on basal 2/5 of forewing. But it sometimes indistinct. Also, this species is similar to X. vaginata Na & Bae , sp. n. superficially. But it can be distinguished by the following genital characters: the valval harpe reaching the end of ventral margin of valva in the male genitalia, the sterigma is one time weakly convex at middle in the female genitalia.

Distribution. Palearctic— Korea, China (Hebei, Henan, Hubei, Jiangsu), Japan (Hokkaido, Honshu, Kyushu, Shikoku), Russia (Primorsky); Oriental— China (Hunan, Zhejiang), Japan (Ryukyu Isls.), Taiwan, India (Assam).

Host plant. Celastraceae : Celastrus orbiculatus Thunb. , Euonymus alatus (Thunb.) Siebold , E. alatus f. ciliatodentatus (Franchet & Savatier) Hiyama, E. alatus f. striatus (Thunb.) Kitag., E. hamiltonianus spp. sieboldianus (Blume) H. Hara, E. oxyphyllus Miq. , Euonymus sp. ( Friese 1962; Moriuti 1977).

Material examined. [ INUB] 3♂, ♀, Gangwondo Province, Jeongseon-gun, Gariwang-san, 31.VIII.2011 (YS Bae et al.), genitalia slide no. QNA-01, -02 (2♀ abdomen lost) . 1♂, 1♀, Gyeongsangnamdo Province , Namhaegun , Idong-myeon , Mt. Hogusan, 20.V.2012 (Bae et al.), genitalia slide no. QNA-03, -04 . ♂, Gangwondo Province, Taebaek-si , Changjuk-dong , Geomryongso , 3.VII.2013 (Ju, Park & Na), genitalia slide no. INU-4783 . 1♂, 1♀, Jeollabukdo Province , Jangsu-gun, Wa-ryong Natural Recreation Forest, 29.IV.2015 (JB Heppner, SM Na & DJ Lee), genitalia slide no. INU-4739, -4740 . 1♀, Jeollabukdo Province , Jeongeup-si , Sanoe-myeon, Jeongryang-ri (35°37’9.7’’N, 127°4’6.2’’E), 1.V.2020 (SM Na & KJ Jo), genitalia slide no. QNA-5 .

Figures

FIGURE 2. Adults of Xyrosaris spp.: A. X. lichneuta Meyrick, female, Gyeonggido Province, Korea; B. ditto, female, Gangwondo Province, Korea; C. ditto, male, Gangwondo Province, Korea; D. X. insularis Ponomarenko & Beljaev, female, Gyeonggido Province, Korea.; E. ditto. female, Gyeongsangnamdo Province, Korea; F. X. vaginata sp. n., male, Gangwondo Province, Korea (holotype); G. ditto, male, Gangwondo Province, Korea (paratype); H. X. triacantha sp. n., male, Jeollanamdo Province, Korea (holotype); I. ditto, male, Chungcheongnamdo Province, Korea.

FIGURE 3. Male genitalia and enlarged valval harpe in Xyrosaris spp (A–H).: A, E. X. lichneuta Meyrick, genitalia slide no. INU-4739; B, F. X. insularis Ponomarenko & Beljaev, genitalia slide no. QNA-12; C, G. X. vaginata sp. n., genitalia slide no. INU-4742 (paratype).; D, H. X. triacantha sp. n., genitalia slide no. INU-4743.

FIGURES 4. Female genitalia of Xyrosaris spp.: A. X. lichneuta Meyrick, genitalia slide no. QNA-15; B. X. insularis Ponomarenko & Beljaev, genitalia slide no. QNA-08; C. X. vaginata sp. n., genitalia slide no. INU-4640; D. X. triacantha sp. n., genitalia slide no. QNA-06 (scale bar=0.5mm).

FIGURES 5. Enlarged stergima (A–D) in female genitalia of Xyrosaris spp.: A. X. lichneuta Meyrick; B. X. insularis Ponomarenko & Beljaev; C. X. vaginata sp. n.; D. X. triacantha sp. n..