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ISSN : 1225-0171(Print)
ISSN : 2287-545X(Online)
Korean Journal of Applied Entomology Vol.59 No.3 pp.165-168
DOI : https://doi.org/10.5656/KSAE.2020.05.0.021

Two Species of the Genus Myrmica (Hymenoptera: Formicidae: Myrmicinae) New to Korea

Dong Oh Shin1, Sun Woo Yoon1, Dong Pyeo Lyu*
Department of Forest sciences, Sangji University, Wonju 26339, Korea
1Pureunsol Ant Research Center, Dalseo-gu, Daegu 42814, Korea
*Corresponding author:myrmicinae@sangji.ac.kr
March 30, 2020 May 8, 2020 June 17, 2020

Abstract


Two species of the genus Myrmica Latreille, 1804, M. ademonia Bolton, 1995 and M. luteola Kupyanskaya, 1990, were reported in Korea for the first time. Morphological characteristics for workers of these two species are described.


Formicidae , Myrmicinae , Myrmica ademonia , Myrmica luteola , Korea

개미과 뿔개미속의 한국 미기록 2종 보고

신 동오1, 윤 선우1, 류 동표*
상지대학교 산림과학과
1푸른솔개미연구센터

초록


한국산 개미과 뿔개미속의 2미기록종인 M. ademonia과 M. luteola가 분포함을 보고한다. 미기록종의 일개미에 대한 형태학적 특성과 사진을 제공한다.


개미과 , 두마디개미아과 , Myrmica ademonia , Myrmica luteola , 한국

    MyrmicaLatreille, 1804 is a worldwide genus that includes 210 species and subspecies. These ants have been mainly observed in botanical organs when flowing or producing the extrafloral nectaries. Their active regions are overland and forest soil litters, but most species are foraged moreover in the habitat of shrub layers. The masses of the genus Myrmica are observed in high mountainous areas, approximately 800 to 1,000 m above sea level. (Eguchi et al., 2011).

    Genus Myrmica is one of the largest ant genera in Korea with 12 species distributed in the Southern region (Lyu, 2006). The Myrmica fauna of Korea is still poorly reported, and many more species certainly remain to be surveyed. In this paper, Myrmica ademonia Bolton and Myrmica luteola Kupyanskaya are recorded in Korea for the first time. Morphological characteristics and photos of this species are provided.

    MATERIALS AND METHODS

    The specimens examined in this study were deposited at Sangji University, Republic of Korea. Specimens were photographed using a Leica DMS 1000 microscope and an S8AP0 microscope (Leica Microsystem, Germany). Images were captured using Leica Application Suite v. 4.9 (Leica Microsystems) and Deltabio MOT Leica software v. 4.0 to produce multifocus images. The terminology used to describe worker individuals followed Bolton (2003).

    The following abbreviations for insect castes and provinces in which specimens were collected and examined were used: Q, q (queen), m (male), w (worker), TL (type locality), GB (Gyeonsangbuk-do), and GN (Gyeonsangnam-do).

    Systematics

    Family Formicidae Latreille, 1809 개미과

    Formicariae Latreille, 1809: 124. Type-genus: FormicaLinnaeus, 1758: 579.

    Subfamily Myrmicinae Lepeletier de Saint-Fargeau, 1835 두마디개미아과

    Genus MyrmicaLatreille, 1804 뿔개미속

    MyrmicaLatreille, 1804: 179. Type species: Formica rubra SifoliniaEmery, 1907: 49. Type species: Sifolinia laurae SommimyrmaMenozzi, 1925: 25. Type species: Sommimyrma symbiotica

    SybiomyrmaArnol'di, 1930: 267. Type species: Sybiomyrma karavajevi

    ParamyrmicaCole, 1957: 37. Type species: Paramyrmica colax

    DodcecamyrmicaArnol'di, 1968: 1803. Type species: Myrmica arnoldii

    Diagnosis. Worker monomorphic; head in full-face view oval; preoccipital carina distinct dorsally and laterally; frontal carina and antennal scrobe absent; anteromedian margin of clypeus weakly convex, lacking an isolated median seta; posteromedian portion of clypeus broadly inserted between frontal lobes; antennae 12-segmented, without distinct club; eye medium sized, convex well laterad; palp formula 6:4; mandible triangular; masticatory margin with apical and 1-2 distinct preapical teeth followed by several smaller teeth or denticles; promesonotum in lateral view slightly raised; promesonotal suture absent or vestigial dorsally; metanotal groove more or less distinctly impressed dorsally; propodeal spine long and sharp; propodeal lobe well developed as a triangular or spinose projection; middle and hind tibiae usually each with a single pectinate spur; petiole pedunculate, with low node; subpetiolar process present as a small tooth anteroventrally; dorsal part of postpetiole in lateral view leaning

    posterodorsad; gastral shoulder absent; sting well developed, without any apical appendage; head and mesosoma usually strongly reticulate or rugoso-reticulate.

    Myrmica ademoniaBolton, 1995(Fig. 1) 도랑뿔개미(신칭)

    Myrmica aspersaKupyanskaya, 1990: 105, TL: Russia. [Junior primary homonym of Myrmica aspersaSmith, F. 1865: 72.]

    Myrmica ademoniaBolton, 1995: 277. Replacement name for aspersaSmith, F. 1865.

    Worker. Head with convex lateral borders, posterolateral borders not forming a distinct angle in frontal view. Groundpilosity of cephalic dorsum short curved spatulate hairs, posterior 1/3 with short erect or suberect hairs sparsely. Mandibles with an acute triangular basal lobe and 7 acute median teeth and 4 minute subapical denticles and an acute apical tooth. Clypeus wider than long, with convex anterior border, dorsum with short decumbent hairs coarsely. Antennal scape microreticulate, anterior border with a row of decumbent hairs. Eyes small, 0.05 mm in diameter, almost as long as the maximum width of antennal scape. Dorsum of promesonotum flat, smooth and shining and short erect hairs sparsely, dorsolateral margins od pronotum with a row of short curved hairs, pronotal humeri with a erect hair, lateral surfaces of pronotum microreticulate. Dorsolateral margins of mesonotum and pronotum with 3 pairs of relatively short erect hairs. Mesopleura smooth and shining in most part. Propodeum smooth and shining with acute short spines, lamellae weakly developed. Petiole long and low, dorsal border of node broadly rounded in lateral view, disc smooth, but slightl microreticulate, as long as wide in dorsal view, with suberect hairs. Postpetiolar disc smooth and shining, as wide as long, with suberect hairs. First gastral tergite with erect or suberect hairs. Body reddish brown.

    Material examined: Korea: 1Q, 80w, Mt. Maebongsan, GW, 02.Ⅸ. 2017. (SW Yoon & DO Shin); 1Q, 40w, Hangyeryeong, GW, 03.Ⅸ. 2017. (SW Yoon & DO Shin); 1Q, 70w, Mt. Palgongsan, GB, 06.Ⅵ. 2016. (SW Yoon & DO Shin); 1Q, 70w, Mt. Jirisan, GN, 29.Ⅸ. 2017. (SW Yoon & DO Shin); 1Q, 50w, Mt. Namdeogyusan, GN, 22.Ⅵ. 2018. (SW Yoon & DO Shin); 1Q, 70w, Mt. Gayasan, GN, 06.Ⅸ. 2018. (SW Yoon & DO Shin).

    Distribution: Korea (new record), Russia.

    Myrmica luteolaKupyanskaya, 1990(Fig. 2) 곰베뿔개미(신칭)

    Myrmica luteolaKupyanskaya, 1990: 103; Radchenko, 1994. TL: China.

    Myrmica zhengiMa and Xu, 2011: 795. TL: China.

    Worker. Body length 5.5-6.5 mm. Body brownish yellow, legs lighter. Mandible with 9 or 10 teeth. Anterior margin of clypeus straight or slightly concave in the middle. Antennal scape as long as head width, strongly curved near the base and a little thickened at the bend, but not angled and no trace of a lobe, pedicel 2.8 times as long as wide, apical 4 segments forming a club. Frons wide, frontal area with dense longitudinal rugae. Compound eye oval, 0.20-0.27 mm in length. Promesonotum reticulate. Propodeal spines moderately long and straight. Petiole with short anterior peduncle, anterior margin slightly concave, posterior margin straight in profile, lobe like subpetiolar process present. Post-petiole subcubical, with convex dorsal margin, ventral lobe developed. Gaster smooth and shiny. Legs with recumbent hairs. Tibial spurs of middle and hind legs short with reduced pectination.

    Material examined: Korea: 1Q, 40w, Mt. Deogyusan, JB, 31.Ⅷ. 2017. (SW Yoon & DO Shin); 1Q, 30w, Mt. Maebongsan, GW, 02.Ⅸ. 2017. (SW Yoon & DO Shin); 1Q, 20w, Hangyeryeong, GW, 03.Ⅸ. 2017. (SW Yoon & DO Shin); 25w, Mt. Hallasan, JJ, 20.Ⅵ. 2018. (SW Yoon & DO Shin).

    Distribution: Korea (new record), China, Taiwan, Russia.

    저자 직책 & 역할

    류동표 : 상지대, 교수; 실험설계 현미경 분석 및 논문작성

    신동오 : 푸른솔개미연구센터, 소장; 시료준비 및 자료분석

    윤선우 : 푸른솔개미연구센터, 연구원; 시료준비 및 분석 모든 저자는 원고를 읽고 투고에 동의하였음.

    KSAE-59-3-165_F1.gif

    Myrmica ademoniaBolton 1995. A: frontal view of the head; B: lateral view of the body; C: dorsal view of the thorax; D: lateral view of the petiole.

    KSAE-59-3-165_F2.gif

    Myrmica luteolaKupyanskaya 1990. E: frontal view of the head; F: lateral view of the body; G: dorsal view of the thorax; H: lateral view of the petiole.

    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