Meleonoma rostellata Wang, 2020
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publication ID |
https://dx.doi.org/10.3897/zookeys.975.53289 |
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publication LSID |
lsid:zoobank.org:pub:FBAB457B-762C-41DE-9EFA-2443321C1193 |
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persistent identifier |
https://treatment.plazi.org/id/A75EF0C9-334E-43E2-9EBE-448BC1D9DE57 |
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taxon LSID |
lsid:zoobank.org:act:A75EF0C9-334E-43E2-9EBE-448BC1D9DE57 |
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treatment provided by |
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scientific name |
Meleonoma rostellata Wang |
| status |
sp. nov. |
Meleonoma rostellata Wang sp. nov. Figs 6 View Figures 4–11 , 22 View Figures 20–27 , 36 View Figures 36–41
Type material.
China, Hainan: Holotype ♂, Hongkan (19.08N, 109.50E), Yinggeling, 540 m, 20.I.2016, leg. KJ Teng et al., slide No. ZXJ18130. Paratypes (17♂15♀): 3♀, Hongkan, Yinggeling, 540 m, 15.III.2016, leg. QY Wang et al., slide No. ZXJ19410; 1♂, Hongxin, Yuanmen, Baisha, 445 m, 3.VIII.2015, leg. QY Wang et al.; 3♂2♀, Mt. Wuzhi, 742 m, 6-8.VII.2014, leg. PX Cong et al.; 6♂7♀, 5-8.VII.2015, 1♂1♀, 27.II.2016, Lizudadian, Shuiman, Mt. Wuzhi, 766 m, leg. QY Wang et al.; 4♂2♀, 738 m, Mt. Wuzhi, 3.III.2016, leg. QY Wang et al.; 2♂, Tianchi, Jianfengling, 11.VI.2010, leg. BB Hu & J Zhang.
Diagnosis.
The new species is similar to M. dorsolobulata Wang, 2016 in the male genitalia, but can be differentiated from the latter by the valva with a small rostral process at base on the ventral margin, the sacculus serrate and obliquely truncate apically, and the saccus shorter than the uncus; in M. dorsolobulata , the valva has a lobate process at base on the ventral margin, the sacculus is obliquely rounded dorsoapically, and the saccus is as long as the uncus ( Yin and Wang 2016b: 136, fig. 7). The new species can be distinguished in the female genitalia by the lamella antevaginalis concave in V-shape medially on the anterior margin that forms two rounded reticulate anterolateral lobes, and the corpus bursae with two signa different in size.
Description.
Adult (Fig. 6 View Figures 4–11 ). Wingspan 7.0-8.0 mm. Head with frons yellow; vertex blackish grey, with yellow scales laterally; occiput yellow. Labial palpus yellow; second segment with scattered blackish grey scales on outer surface, with a blackish grey ring apically; third segment blackish grey medially, ca. 2/3 length of second segment. Antenna yellow, scape mixed with blackish brown scales dorsally; flagellum ringed with brown on dorsal surface. Thorax blackish brown medially, yellow laterally; tegula blackish brown basally, yellow distally. Forewing yellow, with scattered black scales; costal margin with a black stripe along basal 1/3, widened basally, with a small dim black dot before apex; costal spot black, large, semicircular, extending crossing anterior margin of cell posteriorly, slightly placed beyond middle; apical patch black, large; tornal spot black, diffused to apical patch along termen, before tornal spot situated a black dot; discal and plical spots black; black dot at anterior and posterior angles of cell respectively, almost inseparable from costal and tornal spots; dorsum with a black spot at base; fringe greyish black. Hindwing and fringe blackish grey. Legs yellow, with exception on ventral surface: foreleg mixed with blackish grey scales on coxa, tarsi of fore- and midlegs blackish grey except yellow at apices of basal two tarsomeres, tarsus of hindleg yellow at apex of each tarsomere; all femora mixed with blackish grey scales.
Male genitalia (Fig. 22 View Figures 20–27 ). Uncus wide at base, narrowed to hooked apex. Tegumen broad U-shaped, widened medially; lateral arm almost uniform, sclerotized along outer and inner margins, rounded anteriorly. Valva narrow at base, subparallel from basal 1/4 to before rounded apex, densely setose; ventral margin sclerotized along basal 1/4, forming a narrow band, with a small rostral process at base; costa band-shaped, reaching basal 2/5 of valva, with sparse setae basally; transtilla ovately dilated. Sacculus wide at base, weakly narrowed to apex, densely setose in distal 1/4; apex obliquely truncate, finely serrate; dorsal margin concave at middle; ventral margin sclerotized, forming a narrow band, weakly serrate from basal 1/6 to middle, with sparse long setae in distal half. Vinculum extended anteriorly, forming a small papillary saccus. Saccus shorter than uncus. Juxta slender. Phallus slightly longer than valva, basal 3/5 tubular, distal 2/5 partly membranous, with several curved, irregularly shaped belts.
Female genitalia (Fig. 36 View Figures 36–41 ). Papillae anales sub-quadrate, setose. Apophyses posteriores approximately 2.5 × as long as apophyses anteriores. Eighth sternal plate spiculate; posterior margin bearing long setae, deeply and narrowly incised medially, forming two large semicircular lateral lobes; anterior margin convex medially. Lamella antevaginalis straight on posterior margin, concave in V-shape medially on anterior margin, forming two rounded reticulate anterolateral lobes. Ductus bursae membranous, widened anteriorly; ductus seminalis arising from ductus bursae near entrance of corpus bursae. Corpus bursae rounded, nearly as long as ductus bursae, with two signa different in size: one sub-rounded, placed at entrance of corpus bursae, with dense teeth, the other elongate-ovate, with dense teeth and a large spine.
Distribution.
Hainan (Baisha, Jianfengling, Mt. Wuzhi, Yinggeling).
Etymology.
The specific epithet is derived from the Latin rostellatus (adj., rostrated), referring to the rostral process at the base on the ventral margin of the valva in the male genitalia.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.