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ISSN : 1225-0171(Print)
ISSN : 2287-545X(Online)
Korean Journal of Applied Entomology Vol.54 No.1 pp.39-41
DOI : https://doi.org/10.5656/KSAE.2015.01.1.051

Notes on the Genus Cosmophorus Ratzeburg (Hymenoptera: Braconidae: Euphorinae) from Korea

Tae-Ho An, Hyojoong Kim1*, Hong-Yul Seo2, Ki-Gyoung Kim2, Deok-Seo Ku
The Science Museum of Natural Enemies, Geochang 670-801, Korea
1Department of Biology, Kunsan National University, Gunsan 573-701, Korea
2National Institute of Biological Resources, Incheon 404-708, Korea
Corresponding author :hkim@kunsan.ac.kr
September 25, 2014 January 20, 2015 January 30, 2015

Abstract

Two species of the genus Cosmophorus (Hymenoptera: Braconidae) are reported in this study. Among them, Cosmophorus (Cosmophorus) klugii Ratzeburg is new to Korea. Diagnosis and distribution data are included.

Cosmophorus , New record , Braconidae , Hymenoptera , Korea

한국산 큰턱고치벌속(Cosmophorus Ratzeburg) (벌목: 고치벌과: 잎벌레고치벌아과)에 대한 보고

안 태호, 김 효중1*, 서 홍렬2, 김 기경2, 구 덕서
천적생태과학관,
1군산대학교 생물학과
2국립생물자원관

초록

본 연구를 통해 2종의 큰턱고치벌속(벌목, 고치벌과)을 보고한다. 수원큰턱나무좀고치벌 Cosmophorus (Cosmophorus) klugii Ratzeburg 1종 은 한국미기록종으로 보고한다. 식별형질과 분포 등의 정보를 포함하였다.

큰턱고치벌속 , 미기록종 , 고치벌과 , 벌목 , 한국

    The genus CosmophorusRatzeburg, 1848 of the subfamily Euphorinae is small in the size and enigmatic in the ecology, which has been recorded in Holarctic, Oriental, Afrotropical and Australian regions (Achterberg and Quicke, 2000). Only five species are known in East Palaearctic (Belokobylskij and Tobias, 2000). Previously, Cosmophorus cembrae was reported from Korea by Belokobylskij and Ku (1998).

    Members of Cosmophorus are known as solitary koinobiont endoparasitoids of adults of bark-boring and wood-boring Scolytidae (Shaw and Huddleston, 1991).

    Two species of this genus from Korea are recognized in this paper, of which one species, Cosmophorus klugii Ratzeburg, is new to Korea.

    In this study, we describe its diagnostic characters and also provide distribution and host information. All examined materials are deposited in the Science Museum of Natural Enemies (SMNE), Geochang, Korea.

    Systematic accounts

    Family Braconidae Nees, 1811 Subfamily Euphorinae Foerster, 1862

    Genus CosmophorusRatzeburg, 1848 (큰턱고치벌속: 신칭)

    CosmophorusRatzeburg, 1848: 42; Shenefelt, 1969: 135; Shaw, 1985: 317.

    Type species: Cosmophorus klugiiRatzeburg, 1848.

    Cosmophorus (Cosmophorus) klugii Ratzeburg 수원큰턱나 무좀고치벌 (신칭) (Fig. 1)

    Cosmophorus klugiiRatzeburg, 1848: 72; Watanabe, 1960: 56; 1968: 2; Shenefelt, 1969: 136; Chen et al., 2000: 67.

    Cosmophorus lapponicusHedqvist, 1955: 97. Cosmophorus (Cosmophorus) klugii Ratzeburg;

    Belokobylskij and Tobias, 2000: 373; Achterberg and Quicke, 2000: 298; Belokobylskij et al., 2012: 357.

    Diagnosis: Body length 2-2.5 mm. Antennae with 16-19 segments; occiput slightly notched; anterior ocellus anterior to line connecting posterior margin of eye; first metasomal tergite widened towards apex, 1.5 times as long as width at apex, less robust; Ovipositor straight, almost as long as abdomen.

    Material examined: Korea, 1♀ (SMNE), Mt. Yeogi, Suwon, Gyeonggi Prov., 11. V. 1994, Deok-Seo Ku.

    Distribution: Korea (new record), Japan, China, Russia (European part, Primorski krai, West Siberia), Europe.

    Host: (Scolytidae) Dryocoetes autographus Ratzeburg, Estenoborus perrisi Chapuis, Hylastes glabratus Zetterstedt, Ips amitinus Eichhoff, Ips typographus Linnaeus, Pityogenes bidentatus Herbst, Pityokteines spinidens Reitter, Pityokteines vorontzovi Jacobson, Polygraphus proximus Blandford, and Polygraphus poligraphus Linneaus (after Shenefelt, 1969).

    Remarks: This species is recorded for the first time from Korea. It was known to be a solitary endoparasitoid of the adults of bark beetles (Watanabe, 1960).

    Cosmophorus (Cosmophorus) cembrae Ruschka, 1925 큰턱 나무좀고치벌(신칭)

    Cosmophorus cembraeRuschka, 1925: 200; Shenefelt, 1969: 135; Tobias et al., 1986: 247; Shaw, 1989: 241; Belokobylskij and Ku, 1998: 139; Ku et al., 2001: 111; Ku, 2010: 181.

    Cosmophorus (Cosmophorus) cembrae Ruschka; Belokobylskij and Tobias, 2000: 375; Achterberg and Quicke, 2000: 298; Belokobylskij et al., 2012: 357.

    Diagnosis: Body length 1.5-2.2 mm. Antennae with 13-16 segments; mandible robust and distinctly angulate; occiput distinctly notched; anterior ocellus on line connecting posterior margin of eye; first metasomal tergite widened towards apex, more than 1.5 times as long as width at apex, uniformly rugose almost over entire surface; ovipositor shorter than abdomen; body dark brown.

    Material examined: Korea, 12♂ (SMNE); 1♂, Gwangseon-ri, Unju-myeon, Wanju, Jeonbuk, 16. VI. 1992, D-S Ku; 1♂, Sobaeksan, Jeondong Valley, Jeondong-ri, Danyang-eup, Chungbuk, 22. V. 1997. Seung-Hyeon Baek; 1♂, Mt. Jiri, Chotdaebong, Yeongwonsa, Samjeong-ri, Macheon-myeon, Hamyang, Gyeongnam, 3-4. X. 2002, (LT), Tae-Ho An; 1♂, Seokbyeongsan, Hwacheon, Imgye, Jeongseon, Gangwondo, 2. VIII. 2002, D-S Ku, (LT); 1♂, Baekdamsa, Mt. Seolak, Gangwondo, 1. VIII. 2002, D-S Ku, (LT); 1♂, Taebaekbunchon, Korean National Training Center, Mt. Hambaek, Gangwon, 12-13. VIII. 1999, D-S Ku, (LT); 3♂, Yuilsa, Mt. Taebaek, Gangwon, 12-13. VIII. 1999, (LT), D-S Ku; 1♂, Forestry research station, Hongneung, Seoul, 3. IX. 1998, Seung-Ho Gang, (LT); 2♂, ditto, 25. VIII. 1998, ditto.

    Distribution: Korea, Japan, Russia (Kuril Islands, Far East, Siberia, Europen part), West Europe.

    Host: (Scolytidae) Cryphalus abietis Ratzeburg, C. piceae Ratzeburg, Pityogenes bistridentatus Eichoff, P. chalcographus L., P. conjunctus Reitt., P. quadridens Hartig, Pityokteines spinidens Reitt., Pityokteines vorontzovi Jac., Pityophthorus henscheli Seitner (after Shenefelt, 1969). Cryphalus fulvus Niijima 노랑애나무좀(노랑소나무좀) (Watanabe, 1968).

    KSAE-54-39_F1.gif

    Female specimen of Cosmophorus (Cosmophorus) klugii Ratzeburg.

    Reference

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    Vol. 40 No. 4 (2022.12)

    Journal Abbreviation Korean J. Appl. Entomol.
    Frequency Quarterly
    Doi Prefix 10.5656/KSAE
    Year of Launching 1962
    Publisher Korean Society of Applied Entomology
    Indexed/Tracked/Covered By