Narosoideus witti, Solovyev & Saldaitis, 2021

Solovyev, Alexey V. & Saldaitis, Aidas, 2021, Five new species of Limacodidae (Lepidoptera: Zygaenoidea) from South-East Asia, Zootaxa 4999 (2), pp. 101-116 : 105-107

Narosoideus witti sp. nov.

( Figs 10 , 25, 26 )

Type-material. Holotype: ♂, “ China / Sichuan | Qingchenghoushan Mts., | 70 km NW Chengdu | 1400 m, 23- 30.V.2005 | leg. S., V., M. Murzin | Museum Witt ” ( MWM /ZSM, genital slide 16110) . Paratypes: [ China: Sichuan]: 20♂, same data as holotype ( MWM /ZSM) ; 28♂, 4♀, as holotype, but 1–7.vi.2005 ( MWM /ZSM, genital slide 16112 (♂); accession number in BOLD: LIMBC443-11; accession number in GenBank: MW472678 ) ; 29♂, 2♀, same data as holotype, but 8–14.vi.2005 ( MWM /ZSM, genital slide 16109 (♀ )) ; 10♂, same data as holotype, 15–20.vi.2005 ( MWM /ZSM) ; 5♂, Qingcheng Mts. , 60 km W Chengdu, 1435 m, 6–11.vi.2004, leg. S. Murzin ( MWM /ZSM, genital slide 16111) ; 16♂, same data as previous, but 1500 m, 20–30.v.2004 ( MWM /ZSM, genital slide 16108) ; 7♂, 2♀, same data as previous, but 5.vi.2004 ( MWM /ZSM) ; 1♂, same data as previous, but 5–15.v.2004 ( MWM / ZSM) ; 1♂, Daxue Shan Mts, Gongga Shan, Moxi , 29º39’N, 102º06’E, 1700 m, 22.vii.1999, leg. V. Siniaev & A. Plutenko ( MWM /ZSM) ; 1♂, Siguliang Shan, Volong Reserve , 31º09’N, 103º20’E, vii.2005, leg. team of V. Siniaev ( MWM /ZSM, genital slide 16061) ; 3♂, Qionlai Shan , 31°13’N, 102°23’E, 1400 m, vi.2006, leg. Siniaev & his team ( MWM) ; 1♂, Xiling Xue Shan Mt. , 30º49.087’N, 103º13.251’, 1450 m, 11–12.vii.2010, leg. Chen Gun ( CASV; accession number in BOLD: LIMBC953-20; accession number in GenBank: MW472677 ) .

Additional material (all MWM /ZSM): [ China: Yunnan]: 1♂, Yunlong, 90 km NW Dali, Nujiang (Salween) river valley, 25º50’N, 99º17’E, viii.1998, leg. R. Brechlin; [ China: Jiangxi] : 1♀, Wuyi Sha, Xipaihe village , 27º54’N, 117º20’E, 1500 m, v.2005, leg. team of V. Siniaev; [ China: Shaanxi] : 1♂, Taibai Shan, Tsinling Mts, Houzhenzhi , 33º53’N, 107º49’E, 1500 m, vi.2002, leg. local collector (genital slide 16113) ; 2♂, 1♀, as previous, but 1350–2000, 27.v–8.vi.1999, leg. Murzin; 3♂, Daba Shan , 15 km S Shou-Man vill., 32º08’N, 108º37’E, 1800 m, 25.v–14.vi.2000, leg. Siniaev & Plutenko (genital slide 16062 (♂ )) ; 1♂, Qin Ling Mts, Fopin , 33º35’N, 108º01’E, 1800 m, v.2005, leg. team of V. Siniaev (genital slide 16064) ; 1♂, Tsinling Mts., 1500 m, Houzhenzi vill., vii.2000 ; 7♂, 2♀, San Tai Shan , 100 km SE XiAn, 33°42’N, 109°37’E, 1600 m, 15–18.vii.2008, leg. Viktor Siniaev (acces- sion number in BOLD: LIMBC442-11; accession number in GenBank: MW472676 ) .

Description. Male. Forewing length 11.5–13.5 mm ( Fig. 10 ). Antenna bipectinate almost to tip. Head and thorax orange. Forewings brown, with dark brown blurred patch on discal area and dark brown subterminal area beyond postmedial fascia; basal area posteriorly orange, divided by transverse brown fascia, running near vein A1+A2. Hindwings and abdomen ochreous brown.

Male genitalia. Uncus triangular in posterior view, with strongly sclerotized apical spur ( Fig. 25 ). Gnathos rounded apically, broadly elongated. Valvae oblong, without saccular processes. Juxta flattened. Aedeagus slender, slightly curved, with apical sclerotized spine.

Female. Forewing length 14.5–15.5 mm. Antenna filiform. Same coloration and forewing pattern as in male.

Female genitalia. Ovipositor lobes flattened and ovoid ( Fig. 26 ). Both pairs of apophyses slender, digitiform. Ductus bursae as long as 1.5 the length of corpus bursae, slightly spiral. Corpus bursae ovoid, with paired, commashaped and spinulate signum.

Diagnosis. Narosoideus witti sp. nov. is similar externally to Narosoideus flavidorsalis ( Staudinger, 1887) ( Fig. 11 ), but it differs by its distinctly tapered forewing apex and a much more noticeable tonal contrast; the forewing subterminal fascia is dark brown; the abdomen is ochreous brown. The species can also be confused with the Vietnamese Narosoideus morion Solovyev & Witt, 2009 ( Fig. 12 ) by the dark coloration, but in N. witti sp. nov. the elongated irregular dark brown patch, situated beyond the antemedial fascia and running from the apex to the tornus, is absent; the basal area posteriorly is orange, whilst it is almost absent above the vein A1+A 2 in N. morion . In the male genitalia the gnathos of the new species is usually broader than in other congeners ( Figs 27, 28 ).

Distribution. China (Sichuan, Yunnan, Shaanxi, Jiangxi).

Phenology and habitat. The specimens were collected from May to August between 1,350–2,000 m asl.

Etymology. The species is named in memory of Thomas J. Witt, a great entomologist.

Remarks. The maximum molecular intraspecific distance is 1.9%, whilst the minimum interspecific distance between the new species and other Narosoideus species is 3.9% ( Table 2).

Figures

FIGURES 1–15. Dorsal view of Limacodidae adults: 1—Iragoides dudai sp. nov., holotype ♂ (WIGJ); 2—I. crispa, dark form, ♂, Myanmar (Chin State), Witt-limac 200 (MWM/ZSM); 3—ditto, pale form, ♂, China (Yunnan), Witt-limac 197 (MWM/ ZSM); 4—ditto, dark form, ♀, N. Vietnam (MWM/ZSM); 5—I. elongata, ♂, N. Vietnam (MWM/ZSM); 6—Sansarea alenae sp. nov., holotype ♂ (WIGJ); 7—Euphlyctina butvilai sp. nov., holotype ♂ (ZFMK); 8—E. butvilai sp. nov., ♂, paratype, China (Yunnan) (CASV); 9—E. phaeopasta, ♂, India (Darjeeling) (MfN); 10—Narosoideus witti sp. nov., holotype ♂ (MWM/ZSM); 11—N. flavidorsalis, ♂, Russia (Primorye) (MWM/ZSM); 12—N. morion, ♂, N. Vietnam (MWM/ZSM); 13—Griseothosea mousta sp. nov., holotype ♂ (MWM/ZSM); 14—G. fasciata, ♂, Nepal (Dhaulagiri Himal) (MWM/ZSM); 15—G. cruda, ♂, Malaysia (Sabah) (MWM/ZSM).

FIGURES 22–26. Male terminalia of Sansarea spp. and male and female genitalia of Narosoideus witti sp. nov. (male genitalia in posterior view, aedeagus detached in lateral view, sternite VIII in ventral view, female genitalia in ventral view): 22—Sansarea grata, holotype, N. Vietnam (genital slide 13241, MWM/ZSM); 23—S. zeta, holotype, N. Vietnam (genital slide 12733, MWM/ ZSM); 24—S. formosana, holotype, Taiwan (genital slide 13242, MWM/ZSM); 25—Narosoideus witti sp. nov., holotype, (genital slide 16110, MWM/ZSM); 26—N. witti sp. nov., ♀, paratype, China (Sichuan) (genital slide 16109, MWM/ZSM).

FIGURES 27–32. Male genitalia of Narosoideus spp. and Griseothosea spp. (posterior view with aedeagus detached in lateral view): 27—Narosoideus flavidorsalis, Russia (Primorye) (genital slide 16091, MWM/ZSM); 28—N. morion, holotype, N. Vietnam (genital slide 14358, MWM/ZSM); 29—Griseothosea mousta sp. nov., holotype (genital slide 16684, MWM/ZSM); 30—G. cruda, Malaysia (Sabah) (genital slide 17793, MWM/ZSM); 31—G. fasciata, Laos (Chiang Tung) (genital slide 20141, MWM/ZSM); 32—G. filamentata, Sumatra (Siberut Isl.) (genital slide 17794, MWM/ZSM).