Rhyacophila vicina Botosaneanu 1970

Nozaki, Takao & Park, Sun-Jin, 2021, Two new species of the genus Rhyacophila Pictet (Trichoptera, Rhyacophilidae) from Korea and Japan, Zootaxa 5067 (1), pp. 97-105 : 102-103

Rhyacophila vicina Botosaneanu 1970

( Figs 3 , 7 , 9 )

Rhyacophila vicina Botosaneanu 1970 , 287–288, 327, plate VII figs 1–6, male, female.

Rhyacophila jirisana Kobayashi, 1989 , 4, 6, figs 3A, 3B, male. Synonymized by Nozaki et al. (2019).

Adult. Forewings each 8.5–10.0 mm in male (n = 12), 8.5–10.0 mm in female (n = 8). Ratio of width of eye to distance between eyes 0.25–0.31 in male (n = 12), 0.26–0.31 in female (n = 8).

Specimens examined. KOREA: 2 males, 1 female, Kangrimchon, Chiaksan National Park, Pugok-ri , Hoengsong-gun , Gangwon-do , 19.v.2000, T . Nozaki (net sweeping) ( TN) ; 2 males, Jomurak Valley, Gapyeong-gun , Gyeonggi-do, alt. 410 m, 2.vi.2014, T . Nozaki (net sweeping) ( TN) ; 2 males, 1 female, Myeonji Mt. Valley, Gapyeong-gun , Gyeonggi-do, alt. 269 m, 2.vi.2014, T . Nozaki (net sweeping); 1 male, 1 female, Myeonji Mt. Valley, Gapyeong-gun , Gyeonggi-do, alt. 250 m, 3.vi.2014, T . Nozaki (light trap) ( TN) ; 5 males, 5 females, Gwangchi Valley, Gaojak-ri, Yanggu-gun , Gangwon-do , 26.v.2015, MS. Kang (net sweeping) ( SJP) ; 4 males, Sambong National Recreation Forest, Gwangwon-ri, Nae-myeon , Hongcheon-gun , Gangwon-do , 14.v.2018, MS. Kang (net sweeping) ( SJP); Choamsa Temple , Jukgyegugok Valley , Baejeom-ri , Sunheung-myeon , Yeongju-si , Gyeongsangbuk-do, 1.vi.2013, MS. Kang (net sweeping) ( SJP) .

Distribution. The Korean Peninsula ( South Korea and North Korea), Russia (South Primorye), China (Liaoning).

Figures

FIGURE 9. Distributions of 4 Rhyacophila species in East Asia. Distribution areas of R. confissa and R. vicina are cited from Ivanov (2011), Park & Kong (2020), and Yang et al. (2016).

FIGURES 1–3. Rhyacophila spp., male. 1A–1F, Rhyacophila kangae sp. nov. 1A–1E, genitalia: 1A, left lateral, apicomesal part of complex of preanal appendages and apicodorsal lobe of segment IX enlarged; 1B, dorsal; 1C, upper part, ventral; 1D, left inferior appendage, mesal; 1E, phallic apparatus, dorsal. 1F, head, dorsal (a, b: see text). 2A–2C, Rhyacophila confissa Botosaneanu 1970: 2A, genitalia, left lateral; 2B, same, dorsal, anal sclerite enlarged; 2C, head, dorsal. 3A–3C, Rhyacophila vicina Botosaneanu 1970: 3A, genitalia, left lateral; 3B, same, dorsal, anal sclerite enlarged; 3C, head, dorsal. Abbreviations: a.b. = apical band, ae. = aedeagus, a.s. = anal sclerite, com = complex of preanal appendages and apicodorsal lobe of segment IX, i.a. = inferior appendage (paired), para. = paramere (paired), pha. = phallotheca, s.a. = sagittal appendage, t.b. = tergal band, t.i.a., = tendon of inferior appendage (paired), IX = segment IX.

FIGURE 4–7. Rhyacophila spp., female. 4A–4F, Rhyacophila kangae sp. nov.: 4A, head, dorsal; 4B, abdominal segments VIII to XI, left lateral, 4C, abdominal segment VIII, dorsal; 4D, same, ventral; 4E, vaginal apparatus, left lateral; 4F, same, ventral. 5A–5E, Rhyacophila yamamotoi sp. nov.: 5A, head dorsal; 5B, abdominal segment VIII, left lateral; 5C, same, dorsal; 5D, same, ventral; 5E, vaginal apparatus, left lateral; 5F, same, ventral. 6A, 6B, Rhyacophila confissa Botosaneanu 1970: 6A, vaginal apparatus, left lateral; 6B, same, ventral. 7A, 7B, Rhyacophila vicina Botosaneanu 1970: 7A, vaginal apparatus, left lateral; 7B, same, ventral. Abbreviations: ap.VIII = apodemal rod of abdominal segment VIII (paired); ap.IX = apodemal rod of abdominal segment IX (paired); p.p. = posterior process; p.s. = processus spermathecae; VIII, IX, X, XI = abdominal segments VIII, IX, X, XI.