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ISSN : 1225-0171(Print)
ISSN : 2287-545X(Online)
Korean Journal of Applied Entomology Vol.56 No.1 pp.93-96
DOI : https://doi.org/10.5656/KSAE.2017.02.1.090

Three species of Gelechiidae (Lepidoptera: Gelechioidea) new to Korea

Minyoung Kim, Kyu-Tek Park1*
Department of Agricultural Biotechnology, Research Institute for Agriculture and Life Science, Seoul National University, Seoul 08826, Korea
1The Korean Academy of Science and Technology, Seongnam, Gyeonggi Prov. 13630, Korea
Corresponding author:ktpark02@gmail.com
December 22, 2016 February 13, 2017 February 22, 2017

Abstract

During the course of the faunal study of Gelechiidae in Jeju, Korea, totally 12 species were recognized in this study. Of them, three species of Gelchiidae from Jeju Island; Anarsia euphorodes Meyrick, A. protensa Park, and Toronodoxa leptopalta Meyrick, are reported for the first time from Korea. An additional nine species which are known for the first time from Jeju Island are listed with new collecting data.


뿔나방과의 3미기록종 보고

김 민영, 박 규택1*
서울대학교 농생명공학부
1한국과학기술한림원

초록

제주도의 뿔나방과 곤충상 조사결과, 12종이 제주지역에서는 처음으로 기록되었다. 그 중 Anarsia euphorodes Meyrick, A. protensa Park, 그리고 Toronodoxa leptopalta Meyrick는 한반도에서 처음 기록되는 종으로 이들 종 동정에 필요한 성충과 생식기 사진을 함께 제공한다.


    National Institute of Biological Resources
    201501203

    The Gelechiidae is one of the most diverse families of Gelechioidea (Lepidoptera). The total of 172 species was enumerated in Korea by Park & Ponomarenko (2007). Jeju Island is the largest island and one of the provinces in Korea, which is located southwest of the Korean Peninsula. The island consists of some different flora and fauna from that of the Peninsula, due to the climate’s being more affected by the subtropical weather conditions, but the faunal study on insects, especially on micromoths of the island, has been poorly known to date, compared with that of the other regions. Since a total of 43 species of Gelechiidae was listed for the gelechiid-fauna of Jeju Island by Park & Byun (1995) and Park & Ponomarenko (2007), four additional species of the family, Teleiodes cylindiata Park and Helcystogramma haryensis Park, Cnaphotola chujaensis Park, and Stenolechia insulalis Park, were recently described from the island (Park & Kim, 2016; Park et al., 2016).

    In a faunal study on the microlepidoptera on Jeju Island, based on specimens recently collected from Jeju Island, three species of Gelechiidae (Anarsia euphorodes Meyrick, A. protensa Park, and Toronodoxa leptopalta (Meyrick)) are reported for the first time from the Korean Peninsula, and added to nine species which are newly known from Jeju Island, along with their collecting data (Listed in the No. 4).

    Material and methods

    The specimens examined were collected on Jeju Island, off the southwestern coast of the Korean Peninsula, by using bucket-traps with ultra violet lamps (12 V / 8 W) or light traps. The specimens examined are deposited in the Jeju Regional Office, Animal and Plant Quarantine Agency (QIA), Korea.

    Systematic accounts

    Family Gelechiidae Stainton, 1854

    Genus AnarsiaZeller, 1839

    AnarsiaZeller, 1839, Isis, Leipzig, 1839: 190. Type species: Tinea spartiella Schrank, 1802: 104.

    = Ananarsia Amsel, 1959: 32.

    The genus Anarsia comprises more than 100 species, with a worldwide distribution (Meyrick, 1925; Gaede, 1937; Ponomarenko, 1989; Park, 1991); mostly distributed in Ethiopian and Indo-Malay Regions, and about half of the known species are represented in East Asia. Head with appressed scales. Antenna about 2/3 length of forewing; labial palpus with 3 segments. Forewing with or without long hair pencils at ventral base of cell on undersurface in male. The male genitalia are asymmetrical, usually with uncus bearing more or less a median knob-like process and rounded socii; the cucullus usually inflated with modified setae medially and with strong sclerotized processes on the ventral margin; the aedeagus usually slender, sinuous or curved. The female genitalia have often a glandular sac in sternal part or the tergal part of segment VIII is gutter-like, hollowed, with a round process on the anterior margin. All known host plants are Aceraceae, Elaeagnaceae, Fabaceae, and Rosaceae.

    1.Anarsia euphorodes Meyrick, 1922 (Figs. A, D, E)

    Anarsia euphorodes Meyrick, 1922. Exot. Microlep. 2: 503; Park, 1995a: 57.

    Type Locality (TL): Shanghai, S. China Fig. 1

    Diagnosis. This species is similar to A. aspera Park which was described from Taiwan, but it is larger than the latter and can be easily distinguished by having slender, symmetric valvae with a heavily sclerotized sharp projection at apices in the male genitalia.

    Description (Fig. A). Wingspan 13.0-14.0 mm. Head whitishgray. Forewing ground color is ochreous-whitish, thinly and irregularly speckled with gray and with a small undefined spot of blackish-gray speckling on the middle of the costa. Hindwing gray; cilia light gray.

    Male genitalia (Figs. D, E). See Park (1995a, Figs. 3-4).

    Material examined. 1, Is. U-do, JeJu Prov., 7 ix 2010, coll. SM Oh & BH Kang, gen slide no. CIS-6535.

    Distribution. Korea (new record), Southern China, Taiwan.

    Remarks. There is a possibility that this species can be one of the invasive species from Taiwan or Southern China.

    2.Anarsia protensa Park, 1995 (Figs. B, F, G, H)

    Anarsia protensaPark, 1995a. Trop. Lepid. 6: 60; Bae et al. 2016: 250. TL: Mei-feng, Taiwan.

    Diagnosis. The forewing marking is similar to an Oriental species, A. isogona Meyrick, but it can be distinguished by the male genitalia, having asymmetrical valvae with a large, sub-rectangular cucullus in the left and a smaller, not greatly expanded cucullus in the right.

    Description (Fig. B). Wingspan 15.0-16.0 mm. Head pale gray, speckled with brownish-gray scales. Antenna pale grayishorange with lighter rings. Forewing elongated, apex rather acute; costal mark triangular, large, dark brown, and reaching beyond middle across wing; with two short dark brown streaks before and beyond it; 3-4 inconspicuous dark spots around apex along margin, dark brown scales scattered irregularly throughout. Hindwing pale gray.

    Male genitalia (Figs. F, G, H). See also Park (1995a, Fig. 13).

    Female genitalia (Fig. K). See also Park (1995a, Fig. 15).

    Material examined. 3, 1♀, Donnaeko, Seogwipo, JeJu Prov., 20 v 2011, coll. SM Oh & BH Kang, gen slide no. CIS-6569, -6570, -6571; 1, Seonheul, Jeju Prov., Korea, 14 v 2013, coll. SM Oh & RN Sohn.

    Distribution. Korea (new record), Japan (Honshu, Kyushu), Taiwan, China.

    Host plant. Elaeagnaceae: Elaeagnus pungens Thunb. (Park, 1995a; Ponomarenko, 1997; Ueda, 1997).

    Remarks. There is a possibility that this species can be one of the invasive species from the southern subtropical area, including Taiwan and the southern part of Japan.

    Genus TornodoxaMeyrick, 1921

    TornodoxaMeyrick, 1921. Exotic Microlep. 2: 432, Type Species: Tornodoxa tholochordaMeyrick 1921: 432.

    The genus Tornodoxa comprises three species distributed in East Asia. In the male genitalia, the uncus is broad and rounded, with more or less transversally dilated distal part; the valva is strongly dilated in distal part; the valvella is small, digitate, in some species with pointed apex. In the female genitalia, 8th segment has membranous sternal part; the ostial plate is absent; the ductus and corpus bursae are membranous; and the signum is flatenned as a funnel.

    3.Tornodoxa leptopalta (Meyrick, 1934) (Figs. C, I, J)

    Chelatia leptopaltaMeyrick, 1934. Exot. Microlepid. 4: 451; TL: Alikang, Taiwan.

    Hypatima leptopalta; Kanazawa and Heppner, 1992: 70.

    Homochelas leptopalta; Park, 1995b: 79.

    Tornodoxa leptopalta; Ponomarenko, 1997: 46.

    Diagnosis. The male genitalia are similar to those of Tornodoxa paraleptopalpata Ueda, 2012, but can be distinguished by the distal margin of valva rounded, the ventral margin with small angle medially, the bar-shaped, heavily sclerotized in distal 1/3 of the valvella; and the aedeagus inflated in basal half and then slender with pointed apex.

    Description (Fig. C). Wingspan 15.0-16.0 mm. Head whitish, slightly tinged with pale brownish-gray. Scape of antenna whitish, with a rather slender 3rd segment, without scaletuft dorsally. Forewing gray-whitish, more or less suffused gray on the posterior half and with some scattered black scales near the base. Hindwing gray.

    Material examined. 1, Harye, Namwon, Seogwipo, Jeju Prov., 26 v 2014, coll. SM Oh & RN Sohn, gen slide no. CIS-6530.

    Male genitalia (Figs. I, J). See also Park (1995b, Figs. 50-51).

    Distribution. Korea (new record), Taiwan.

    Remarks. It was known as an endemic species in Taiwan (Park, 1995b). It is considered that this species can be one of the invasive species from the southern regions.

    4.Additional species of Gelechiidae known for the first time from Is. Jeju-do

    Polyhymno trapezoidella (Caradja, 1920)

    Material examined. 1♀ (abdomen missing), Hwasun, Andeok, Seogwipo, Jeju, 30 vi 2014.

    Pexicopia melitoclina (Meyrick, 1935)

    Material examined. 2, Is. U-do, Jeju, 7 ix 2010, gen. slide no. CIS-6531.

    Phthorimaea operculella (Zeller, 1873)

    Material examined. 1, Nameup, 21 viii 2014, gen. slide no. CIS- 6575.

    Stenolechia notomochla Meyrick, 1935

    Material examined. 1, Sanghyo, Seogwipo, Jeju, 26 v 2014, gen. slide no. CIS-6638.

    Parastenolechia argobathra (Meryrick, 1935)

    Material examined. 1, Hwasun, Andeok, Seogwipo, Jeju, 26 iii 2014.

    Teleiopsis motleela Ponomarenko & Park, 2007

    Material examined. 2, Hwasun Andeok, Seogwipo, Jeju, 10 iv 2014, slide no. CIS-6562.

    Concubina trigonalisPark & Ponomarenko, 2007

    Material examined. 1, Eorimok, Nohyundong, Jeju, 20 vii 2009, gen. slide no. CIS-6560.

    Anarsia ulneungensis Park, 1996

    Material examined. 1, Changcheon, Andeak, Seogwipo, Jeju, 30 vi 2014, gen slide no. CIS-6536; 1, Marado, Jeju, 30 vii 2014, gen slide no. CIS-6568.

    Tornodoxa longiella (Park, 1993)

    Material examined. 3, Changcheon, Andeok, Jeju, 3 vi 2013; 3, same locality, 18 vi 2015, gen. slide no. CIS-6566, 1, 3 vi 2013; 3, Harye, Namwon, Jeju, 19 vi 2014; 1, Ara, Jeju, 4 vi 2013; 1, Sinrye, Namwon, Seogwipo, Jeju, 19 vi 2014; 1, Gamsan, Andeok, Jeju, 11 vi 2014; 2, Isl. U-do, Jeju, 30 ix 2014.

    Acknowledgment

    This study was supported by the National Institute of Biological Resources, Ministry of Environment (NIBR Number 201501203) in 2016, Korea.

    KSAE-56-93_F1.gif

    Adults and genitalia: (A) Anarsia euphorodes Meyrick; (B) Anarsia protensa Park; (C) Tornodoxa leptopalta (Meyrick); (D) Male genitalia of Anarsia euphorodes Meyrick; (E) Ditto, abdominal sternite VIII; (F) Male genitalia of Anarsia protensa Park; (G) Ditto aedeagus; (H) Ditto, abdominal sternite VIII; (I) Male genitalia of Tornodoxa leptopalta (Meyrick); (J) Ditto aedeagus; (K) Female genitalia of Anarsia protensa Park (Scale bar: 1mm).

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