Miltochrista wangmini Volynkin, Dubatolov & Kishida, 2018

Volynkin, Anton V., Dubatolov, Vladimir V. & Kishida, Yasunori, 2018, Miltochrista wangmini, a new species from China (Lepidoptera, Erebidae, Arctiinae), Zootaxa 4394 (1), pp. 147-150 : 147-150

Miltochrista wangmini Volynkin, Dubatolov & Kishida , sp. nov. ( Figs. 1–2 , 5, 7 )

Type material. Holotype ( Figs. 1 , 5 ): ♂, China, Guangdong, Shaoguan, Nanling [Mts.], 22–27.VII.2008, Y. Kishida leg., slide AV 2445m Volynkin (ex prep. Dubatolov) (Coll. SZMN).

3 Paratypes: 1 ♂, same data as in holotype, slide AV2446f Volynkin (Coll. SZMN) ; 1 ♂, 1 ♂, same data, but 16–20.V.2009 (Coll. YKT).

Diagnosis. M. wangmini sp. nov. ( Figs. 1–2 ) is externally very similar to M. ziczac ( Figs. 3–4 ) a widespread species of continental China and Taiwan, but differs by zigzag line that nearly touches medial transversal line by inner angle between Cu1 and Cu2 of male forewings and slightly darker pink hind wings. The male genitalia of M. wangmini sp. nov. ( Fig. 5 ) differ from those of M. ziczac ( Fig. 6 ) by the narrower tegumen, the broader and less elongated valva, the robust bilobate distal costal process (the feature is unique in the species-group, all other species have unilobed and weaker distal costal process), the larger distal saccular process, the slightly larger subbasal diverticulum of vesica and the slightly more robust cornuti. The female genitalia of M. wangmini sp. nov. ( Fig. 7 ) are very similar to those of M. ziczac ( Fig. 8 ) and differ only by the slightly longer antrum with slightly convex lateral margins, the slightly broader ductus bursae and the thinner spines in clusters inside the corpus bursae.

Description. Adult ( Fig. 1 ). Length of forewing 9 mm in males and 12.5 mm in females. Male antennae ciliate, female antennae filiform. Head creamy grayish; tegulae and patagiae pale red with creamy grayish borders; thorax creamy grayish with blackish brown dots; abdomen pale brown. Ground color of forewing creamy grayish; costa pale red from base to antemedial line and from postmedial line to apex, and creamy grayish between ante- and postmedial lines; marginal area pale red; subbasal area with three longitudinal triangular blackish brown shades; discal spot comma-like; cross lines thicker, blackish brown; antemedial line smoothly curved outwardly; medial line almost straight, slightly curved inwardly in cell; postmedial line zigzag, strongly curved inwardly on radial veins, and nearly touches medial vein by inner angle between Cu1 and Cu2; subterminal line as row of broad longitudinal blackish brown strokes on veins; cilia pink. Hindwing dark pink, in males with slight blackish suffusion at apex; cilia pink. Male genitalia ( Fig. 5 ). Uncus long, narrow, curved, flattened laterally, pointed apically. Tegumen broad; manica broad, setose; juxta broad, trapezoidal; vinculum short, U-like. Valva elongated and narrow, costa knoll-like curved in medial part, distal costal extension not expressed; apical lobe of valva long, broad; costa with small smooth dorsal protrusion medially; distal costal process large, bilobate, its proximal lobe trapezoidal with broad base and blunt apex, distal lobe claw-like curved, with narrowed apex; distal membranous lobe of valva broad, rounded; sacculus moderately broad, weakly sclerotized, with setose margin; distal saccular process long and robust, curved dorsally, pointed apically. Aedeagus moderately long, narrow, slightly broadened distally, almost straight; vesica membranous, with two broad subbasal diverticula, broad sack-like medial diverticulum with row of 5 robust, spike-like cornuti, and long and narrow subapical diverticulum with weak granulation and bunch of two robust spike-like cornuti at base; vesica ejaculatorious broad, with heavily sclerotized, long and narrow basal plate. Female genitalia ( Fig. 7 ). Papillae anales broad, rectangular with rounded angles; apophyses anteriores and posteriores long and thin, of equal length; ostium bursae broad; antrum large, heavily sclerotized, dorsoventrally flattened, almost rectangular, with slightly convex lateral margins; ductus bursae moderately long, broad, moderately sclerotized, with narrow sclerotized folds anteriorly; corpus bursae broad, its posterior section broadened, heavily sclerotized, with three broad clusters of large spines and sclerotized plate covered with small denticles and situated near the connection with ductus bursae; anterior section of corpus bursae sack-like, with weak spinulose scobination and one small, elliptical signum; appendix bursae short and broad, heavily sclerotized, situated posterolaterally.

Distribution. The species is known from Nanling Mts. in southeastern China. Etymology. The species name is dedicated to Dr. Wang Min (South China Agricultural University, Guangzhou, China).

Figures

FIGURES1–4. Miltochrista spp.:adults.1, M.wangmini,holotype male,China, Guandongprov.(SZMN); 2, M.wangmini, paratype female,China, Guandongprov.(SZMN); 3,M.ziczac,male, China, Shanxiprov.(ZFMK);4, M.ziczac, female,Taiwan (©NHMUK).

FIGURES 5–8. Lyclene spp.: male (5, 6) and female (7, 8) genitalia. 5, M. wangmini, holotype, China, Guandong prov., slide AV2445m Volynkin; 6, M. ziczac, China, Hunan prov., slide AV1934m Volynkin; 7, M.wangmini, paratype, China, Guandong prov., slide AV2446fVolynkin;8, M.ziczac, Taiwan,slide NHMUK010313447 Volynkin (©NHMUK).