The taxonomic study of the genus Myzia Mulsant, 1846 in Korea is presented. The genus Myzia contains five species worldwide and two species currently recognized in Palaearctic region. Until now, only M. oblongoguttata (
The world-widespread genus
The genus
Order Coleoptera Linnaeus, 1758
Superfamily Cucujoidea Latreille, 1802
Family Coccinellidae Latreille, 1807
Subfamily Coccinellinae Ganglbauer, 1899
Key to the Korean species of
1. Elytron yellowish brown with various sized and elongated white spots. Pronotum yellowish brown with yellow parts at sides ··········································
- Elytron yellowish brown with 3 white stripes and 1 spot near scutellum. Pronotum yellowish brown with broad yellowish white parts at sides ···························
Material examined. Korea, 2♂ 5♀, Gyeongsangbuk-do: Cheongsong-gun, Andeok-myeon, Sinseong-ri, 6 Jul 2013; 1♀, Andong-si, Mt. Gyemyeongsan, 12 Jul 2012; 1♀, Gangwon-do: Pyeongchang-gun, Mt. Odaesan, 28 Aug 2012.
Redescription. Size: 6.0-8.5 mm in length, 4.5-6.5 mm in width.
Coloration and shape: Oblong-oval shaped, strongly convex; dorsal surface yellowish brown, finely punctate (Fig. 1A). Head slightly narrower than pronotum; yellowish brown. Antennae and mouth parts reddish brown. Anterior margin of pronotum pale yellow. Elytra with various sized and elongated white spots.
Head: Head slightly narrower than half of pronotum. Frons pubescence. Clypeus and labrum with long and many setae. Mandibles with 2 teeth and distinct groove ventrally; lateral margin of mandibles with 1 long and 8 short setae (Fig. 1C). Antennae distinctly longer than head; 9th antennomere twice as long as width; 10th antennomere one and a half as long as width (Fig. 1D).
Thorax: Pronotum narrower than two-thirds of body width; rounded at anterior and posterior corner; finely and densely punctured. Elytra distinctly shagreened finely punctured. Apex of middle and hind tibia each with 2 spurs. Tarsal claw cleft (Fig. 1H).
Abdomen: Abdominal ventrites pubescence sparsely. Post-coxal line incomplete (Fig. 1B). Female spermatheca slightly bent (Fig. 1G). Male tegmen relatively long and slender (Fig. 1F). Male sipho elongated (Fig. 1E). Posterior margin of last ventrites rounded in females, slightly caved in males (Fig. 1B).
Remarks. Most specimens of this species were captured by light trap in forest areas.
Distribution. Korea, Japan, Russia, Kyrgyzstan, Kazakhstan, Mongolia, Turkey, Morocco, United Kingdom, Sweden, Belgium, Netherlands, Norway, Finland, Isle of Man, France, Germany, Ireland, Denmark, Luxembourg, Italy, Austria, Poland, Belarus, Latvia, Switzerland, Czech Republic and Lithuania.
Material examined. Korea: 1♀, Gangwon-do: Wonju-si, Mt. Chiaksan, 7 Aug 2012; 1♂, 2♀, Pyeongchang-gun, Mt. Odaesan, 28 Aug 2012.
Redescription. Size: 6.0-7.0 mm in length, 4.5-5.0 mm in width.
Coloration and shape: Short oval shaped, strongly convex; dorsal surface yellowish brown or reddish brown, finely punctate (Fig. 2A). Head reddish brown with a pair of white spots at inner ocular margin. Antennae and mouth parts reddish brown or brown. Pronotum with broad yellowish white parts at sides. Elytron with 3 white to yellow stripes and 1 spot near scutellum.
Head: Head slightly transverse, narrower than half of pronotum. Frons densely and shallowly punctured. Mandibles with 2 teeth and distinct groove ventrally; lateral margin of mandibles with 2 long and 5 short setae (Fig. 2C). Antennae distinctly longer than head (Fig. 2D).
Thorax: Pronotum narrower than two-thirds of body width; rounded at anterior and posterior corner; finely, but shallowly punctured. Elytra not distinctly shagreened irregularly punctured. Apex of middle and hind tibia and terminal tarsomere each with 2 spurs. Tarsal claw cleft (Fig. 2H).
Abdomen: Abdominal ventrites pubescence sparsely. Post-coxal line incomplete (Fig. 2B). Female spermatheca hardly bended (Fig. 2G). Male tegmen relatively long and slender (Fig. 2F). Male sipho finely elongated (Fig. 2E). Posterior margin of last ventrites rounded in females (Fig. 2B), slightly caved in males.
Remarks. All specimens of
Distribution. Korea (new record), Japan, China, Russia, Mongolia, Morocco.