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ISSN : 1225-0171(Print)
ISSN : 2287-545X(Online)
Korean Journal of Applied Entomology Vol.54 No.1 pp.35-37
DOI : https://doi.org/10.5656/KSAE.2015.01.1.063

The Subgenus Exosyntretus Belokobylskij of the Genus Syntretus (Hymenoptera: Braconidae: Euphorinae) from Korea

Tae-Ho An, Hyojoong Kim1*, Ki-Gyoung Kim2, Hong-Yul Seo2, 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
November 10, 2014 January 15, 2015 January 30, 2015

Abstract

Two species of the subgenus Exosyntretus (Hymenoptera: Braconidae: Euphorinae) in the genus Syntretus are reported from Korea in this study. Among them, Syntretus (Exosyntretus) nevelskoii Belokobylskij is new to Korea. The world checklist, diagnosis and distribution data are included.


한국산 Syntretus 속 Exosyntretus Belokobylskij아속 (벌목: 고치벌과: 잎벌레고치벌아과)에 대한 보고

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

초록

본 연구를 통해 한국산 Syntretus속의 Exosyntretus아속(벌목, 고치벌과)에 속하는 2종을 보고한다. 그 중 Syntretus (Exosyntretus) nevelskoii Belokobylskij은 국내 미기록종으로 보고한다. 전세계 기록종 목록, 식별형질과 분포 등의 정보를 포함하였다.


    The genus Syntretus Foerster of the subfamily Euphorinae contains two subgenera ExoSyntretusBelokobylskij, 1998 and SyntretusFoerster, 1862 (Achterberg and Haeselbarth, 2003). The subgenus ExoSyntretus Belokobylskij is distributed in Palaearctic (Achterberg and Haeselbarth, 2003) and Oriental (Papp, 2006) regions. The species of the genus Syntretus are small parasitic wasps, which attack hymenopterous adults such as parasitoid wasps and bees. Their biology has been studied by Cole (1959) and Alford (1968).

    The subgenus ExoSyntretus are known as only five species in the world (Yu et al., 2012 and Papp, 2006). The species in Korea was studied by Papp (1992) and Ku et al. (2001). Syntretus (ExoSyntretus) elabsus (Papp) was described from North Korea by Papp (1992), and then reported from South Korea by Ku et al. (2001). Two species of this subgenus from Korea are recognized in this paper, and among them, Syntretus (ExoSyntretus) nevelskoii Belokobylskij, is the first record in Korea.

    In this study, we describe its diagnostic characters, and also provide world checklist, distribution and host information. All examined materials are deposited in the Science Museum of Natural Enemies (SMNE), Geochang, Republic of Korea. Terminology used in this paper follows van Achterberg (1993).

    Systematic accounts

    Family Braconidae Nees, 1811 Subfamily Euphorinae Foerster, 1862

    Genus SyntretusFoerster, 1862

    SyntretusFoerster, 1862: 251. Type species: Microctonus vernalis Wesmael, 1835.

    FalcoSyntretusTobias, 1965: 843. (Syn. by Achterberg et Haeselbarth, 2003).

    ParaSyntretusBelokobyskij, 1993: 60. (Syn. by Achterberg et Haeselbarth, 2003).

    ExoSyntretusBelokobylskij, 1998: 12. (Syn. by Achterberg et Haeselbarth, 2003).

    Subgenus ExoSyntretusBelokobylskij, 1998

    ExoSyntretusBelokobylskij, 1998: 12. (Stat. rev. by Achterberg et Haeselbarth, 2003).

    Type species: Syntretus nevelskoiiBelokobylskij, 1996: 283.

    Syntretus (ExoSyntretus) elabsus (Papp, 1992)

    FalcoSyntretus elabsusPapp, 1992: 69. TL: Gaeseong, North Korea.

    ExoSyntretus elabsus: Belokobylskij, 1998: 14; Belokobylskij, 2000: 391; Ku et al., 2001: 114, Taebaek, South Korea; Ku, 2010: 181.

    Syntretus (ExoSyntretus) elabsus: Belokobylskij et al., 2012: 364.

    Diagnosis: ♀. Body length 2.3-3.0 mm, antenna with 18 segments; 3rd antennal segment equal to or slightly longer than 4th one, propodeum with pointed anteriorly pentagonal areola and one longitudinal carina before it; claws large, ovipositor more or less curved and with subapical tooth dorsally, body yellow, veins and pterostigma yellow.

    Material examined: Korea, 2♀ (SMNE): 1♀, Suwon, Gyeonggi, 15. VI. 1994, Deok-Seo Ku; 1♀, Forestry research station, Hongneung, Seoul, 3. X. 1998 (LT), Seung-Ho Gang.

    Distribution: Korea, Japan, Russia (Primorski krai).

    Host: Unknown.

    Remarks: This species was first described from North Korea by Papp (1992).

    Syntretus (ExoSyntretus) nevelskoiiBelokobylskij, 1996 (Fig. 1)

    Syntretus nevelskoiiBelokobylskij, 1996: 283.

    ExoSyntretus nevelskoii: Belokobylskij, 1998: 14; Belokobylskij, 2000: 391.

    Syntretus (ExoSyntretus) nevelskoii: Belokobylskij et al., 2012: 364.

    Diagnosis: ♀. Body length 1.6-1.8 mm, antenna with 15-16 segments; 3rd antennal segment 0.9 times as long as 4th one; propodeum with obtuse anteriorly pentagonal areola and two longitudinal carinae before it; claws small; ovipositor straight and without subapical tooth dorsally; body reddish brown, pterostigma brown medially, yellow basally and apically.

    Material examined: Korea, 3♀ (SMNE): 1♀, Pyongji, Dongbu, Geoje, Gyeongnam, 4-5. VI. 1997 (LT), Deok-Seo Ku; 1♀, Forestry experimental station, Gwangneung, Gyeonggi, 27. VII. 1998 (LT), Yeong-Mi Park; 1♀, Seokbyeongsa, Hwacheon, Imgye, Jeongseon, Gangwondo, 2. VIII. 2002 (LT), D-S Ku.

    Distribution: Korea, Russia (Khabarovsk krai, Primorski krai).

    Host: Unknown.

    Remarks: This species is recorded for the first time from Korea.

    World Checklist of the Subgenus ExoSyntretus, Belokobylskij, 1998Syntretus (ExoSyntretus) choui (Papp, 2006): Taiwan.

    Syntretus (ExoSyntretus) elabsus (Papp, 1992): Korea, Japan, Russia (Primorski krai).

    Syntretus (ExoSyntretus) minimusAchterberg et Haeselbarth, 2003: Germany.

    Syntretus (ExoSyntretus) nevelskoiiBelokobylskij, 1996: Korea (new record), Russia (RFE).

    Syntretus (ExoSyntretus) shawiAchterberg et Haeselbarth, 2003: France.

    Female specimen of Syntretus (ExoSyntretus) nevelskoiiBelokobylskij, 1996.

    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