Araeopteron dawai, Han & Kononenko, 2021
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publication ID |
https://dx.doi.org/10.3897/zookeys.1060.67674 |
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publication LSID |
lsid:zoobank.org:pub:7B214F86-33A7-4A5E-9A04-01D118EDD5A9 |
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persistent identifier |
https://treatment.plazi.org/id/E70C4C1C-18F5-46B0-B103-77E5F0FF8574 |
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taxon LSID |
lsid:zoobank.org:act:E70C4C1C-18F5-46B0-B103-77E5F0FF8574 |
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treatment provided by |
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scientific name |
Araeopteron dawai |
| status |
sp. nov. |
Araeopteron dawai sp. nov.
Figures 1 View Figures 1–6 , 7 View Figures 7–12 , 13-15 View Figures 13–15
Type material.
Holotype male, China, Xizang Autonomous Region, Motuo (= Medog) County, 16-17.iv.2018, H.L. Han, genit. prep. no. hhl-4010-1 (NEFU). Paratypes. 2 ♂♂, same data as holotype, genit. prep. no. hhl-4009-1 (NEFU).
Diagnosis.
The new species (Figs 1 View Figures 1–6 , 7 View Figures 7–12 ), externally and in the male genitalia, is similar to A. rufescens Hampson, 1910 (Sri Lanka, Malaysia, Borneo; figs 2, 8), but differs by a narrower forewing with sharp apex, bearing a dark triangular patch (in A. rufescens apex blunt, without blackish triangular patch; only a weak arched dark band present); the transverse lines are distinct (in A. rufescens they are indistinct); the dark apical triangular patch on the hindwing is small (in A. rufescens it is broader); the discal spot is distinct and stout (in A. rufescens indistinct and slender).
Male genitalia: clasper with medially sclerotised harpe and small thorn-like apical extension (in A. rufescens the clasper with small smooth teeth apically); the costa rounded and swollen in the terminal part of the valva (in A. rufescens it is swollen and triangular in apical third of valva); the uncus as long as the tegumen (in A. rufescens the uncus is ca 1/2 tegumen length); aedeagus slightly curved (in A. rufescens it is straight); vesica with a toothed band (in A. rufescens it bears more than 20 small thin spines).
Description.
Adult (Fig. 1 View Figures 1–6 ). Wingspan 11.5-12.0 mm. Antennae filiform, head, patagia, and tegulae covered with flat white scales, thorax whitish with grey; abdomen greenish yellow, mixed with white. Forewing pale yellow to pale greyish yellow, mixed with a little orange; apex rather sharp; basal area dark orange, basal line expressed with distinct black costal dot; antemedial line blackish brown, almost black, wavy, oblique; median line double, black, filled with mixed brown with orange inside, smoothly incurved, with pale black and orange patches between lines; postmedial line brownish orange and strongly arched before Cu2, its other part mixed with black, and incurved to inner margin; subterminal line brownish black at costal margin, other part fused with blackish apical patch; terminal line brown to blackish brown, with black dots at the tops of veins; reniform stigma dark black; apex with large black triangular patch; basal, antemedial, and median areas densely covered with orange; postmedial area pale to greyish white, with blackish brown to brown at inner margin; subterminal area pale greyish; fringe grey, mixed with brown; pale and greyish parts of the postmedial and subterminal area forming large patch. Hindwing pale greyish yellow to faint yellow; antemedial line smoky-brown to brownish black, wavy; median line orange, weakly waved; postmedial line brown to brownish black, wavy, incurved posteriorly; subterminal line smoky orange, indistinct; apex sharp with single large black triangular patch; fringe thin and lighter than in forewing; discal spot dark black, formed by two dots.
Male genitalia (Fig. 7 View Figures 7–12 ). Tegumen triangular, as narrow, strongly arched band; paratergal sclerits hugely developed, flat, curved; vinculum, thick, sclerotised. Saccus U-shaped. Valva racket-shaped, narrower medially, extended and rounded apically; sacculus thin, gradually narrower to 3/4 length of valva, then broadened and rounded apically; clasper fused to sacculus, with pointed triangular ampullae medially and small, hook-like apical extension; costa sclerotised, thick basally, gradually extended and membranous apically; cucullus large with small medial incurving on inner margin. Uncus thin, relatively long (as long as tegumen), smoothly curved medially, sclerotised. Juxta plate-like, large, rounded, slightly sclerotised. Aedeagus short, cylindrical, slightly curved, weakly sclerotised posteriorly; coecum short, ca 1/4 as long as aedeagus; vesica with sclerotised band of teeth.
Female genitalia. Female unknown.
Distribution.
(Fig. 13 View Figures 13–15 ). The species is known only from its type locality: China, Xizang Autonomous Region (Tibet), Motuo (= Medog) County.
Etymology.
The species name is dedicated to Mr Wa Da, Chinese entomologist, a famous insect researcher of the fauna in the Xizang Autonomous Region, China.
Bionomics.
(Figs 14 View Figures 13–15 , 15 View Figures 13–15 ). The new species was collected in Motuo County, Xizang in April 2018 in the intermediate zone between the subtropical rain forest and broad-leaf forest zones, at an altitude 1121 m.
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