Perlomyia secunda ( Zapekina-Dulkeit, 1955 )

Murányi, Dávid, Jeon, Mi Jeong, Hwang, Jeong Mi & Seo, Hong Yul, 2014, Korean species of the genus Perlomyia Banks, 1906 (Plecoptera: Leuctridae), Zootaxa 3881 (2), pp. 145-154 : 149-150

Perlomyia secunda ( Zapekina-Dulkeit, 1955)

( Figs. 7–9 , 32 )

Strobliella secunda Zapekina-Dulkeit, 1955 — Zapekina-Dulkeit 1955: 32. (original description of the male). Tyrrhenoleuctra secunda ( Zapekina-Dulkeit, 1955) — Illies 1966: 119. (comb. n. without designation). Perlomyia secunda ( Zapekina-Dulkeit, 1955) — Zhiltzova 1976: 56. (comb. n., description of the female); Zhiltzova 2003: 498.

(monography); Teslenko & Zhiltzova 2009: 237 (key).

Type locality. Russia, Altai krai, Northeastern Altai, Tschultschi River.

New material. North Korea, North Pyongan Province, Hyangsan-gun, Myohyang Mts., swept at Hyangsan Stream, 500 m, N40°00’ E126°15’, 21.05.1985 (loc. Korea.930), leg. András Vojnits, Lajos Zombori: 1♀. Diagnosis. Male: Tergum IX deeply excavated posterio-medially, tergum X without knobs or spines; apex of sternum IX long. Epiproct sinuous, hook-shaped; cercus long, with a large basodorsal tooth, apex weakly pointed. Female: Sternum VII apically enlarged, with a wide, hemispherical membranous area posteriomedially; fused to medial sclerites of sternum VIII. Median sclerites on sternum VIII are small, partly hidden beneath the enlarged posterior part of sternum VII; their lateral half dark brown and pointed, medial half membranous. No additional sclerites on sternum VIII.

Distribution and ecology. This spring species has a wide range in temperate Asia from the Altai in the West, to the Kuril Isles in the East, and the Magadan areas in the North. The present data is its southernmost locality ( Fig. 32 ), and the first record outside Russia. New for the Korean Peninsula.

Figures

FIGURES 1 – 12. Korean specimens of Perlomyia Banks, 1906 females: 1 – 3: P. kiritshenkoi Zhiltzova, 1974; 4 – 6: P. martynovi (Zhiltzova, 1975); 7 – 9: P. secunda (Zapekina-Dulkeit, 1955); 10 – 12: P. smithae Nelson & Hanson, 1973 — 1, 4, 7, 10: terminalia, ventral view; 2, 5, 8, 11: sterna 7 – 8, ventral view; 3, 6, 9, 12: sterna 7 – 8, lateral view—scale 1 mm.

FIGURES 31 – 33. Distribution of Asian Perlomyia Banks, 1906 species — 31: known occurrences in Asia; 32 – 33: know occurrences in North and South Korea—symbols on Fig. 32: open circle: P. secunda; full circle: P. mahunkai; circle with central dot: P. mar tynov i. symbols on Fig. 33: open circle: P. kiritshenkoi, P. smithae, P. Ko 1 and P. K o 2; full circle: P. levanidovae; circle with central dot: P. Ko 1.