Promalactis uniclavata
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Ordo: Lepidoptera
Familia: Oecophoridae
Genus: Promalactis
Name
Promalactis uniclavata Kim sp. nov. – Wikispecies link – ZooBank link – Pensoft Profile
Type material
Holotype: ♂, Laos, Xiang khaung Prov., Ban Tha, 1513 m, 20 February 2017, Bae et al., gen. slide no. 9834/S. Kim. Paratype: 1♂, 1♀, Laos, Vientiane Prov., Phou Khao Khouay National Protected Area, 7 December 2012, Lee et al., gen. slide no. 9512(M), 9509(F)/S. Kim; 1 ex., Laos, Bolikhamsai prov., Phou Khao Khouay National Protected Area, 322 m, 1 April 2016, Bae et al.; 1♂, Laos, Xiang khaung Prov., Ban Tha, 1298 m, 6 April 2016, Bae et al. [Holotype is deposited in INU, paratypes are separately deposited into SNU and INU.]
Diagnosis
The species is superficially most similar to P. suzukiella in the similar forewing pattern but can be easily distinguished from the latter by the subbasal band which traverses from the costa to the posterior margin and with a fuscous suffusion below the costal patch at 2/3 of the posterior margin. The male genitalia are characterized in having the uncus bifurcate, the gnathos digitate, and the juxta large and club-shaped.
Description
Adult (Fig. 2C). Head: frons grayish brown tinged with white; vertex white, tinged with dark brown; occiput yellowish brown. Antenna: scape white entirely, shorter than diameter of eye; flagellum white from base to 2/3 of its length, dorsally dark brown and white alternately from 2/3 to apex. Labial palpus: 2nd palpomere pale-yellow tinged with dark brown, as long as 3rd palpomere; 3rd palpomere dark brown, except pale yellowish white at apex dorsally. Thorax: thorax and tegula dark brown. Wingspan 7.5–8.0 mm. Forewing ground color brownish yellow, darker near base; two bands and one costal patch all white, edged by fuscous scales: one subbasal band traversed from costal margin to posterior margin just near wing base; one antemedial band, oblique, not reaching costa; one costal patch semicircular at 3/4 of forewing, connected to fuscous suffusion before tornus; fuscous scales somewhat dense near apex; fringes grayish brown near tornus, yellow near apex. Hindwing ground color grayish brown; fringes grayish brown.
Male genitalia (Fig. 3I–L). Uncus wide at base, bifurcate distally, setose from base to middle; lateral lobes asymmetrical. Gnathos digitate, wide at base, shorter than uncus. Valva short; costal margin elongated, bifurcate, with different length of lobes, setose entirely; sacculus heavily sclerotized with pointed apex, shorter than costal margin. Juxta large, club-shaped, bearing U-shaped apical margin with dense hairs, as long as saccullus. Saccus large, triangular, longer then uncus. Aedeagus straight, gradually broader to apex, slightly longer than valva. Cornutus absent.
Female genitalia (Fig. 6D–F). Papillae anales setose. Apophyses posteriores almost twice longer than apophyses anteriores. Lamella postvaginalis large, incised medially, setose on caudal margin. Lamella antevaginalis wide, surrounded by dense hairs, concave on caudal margin. Antrum cylindrical, somewhat sclerotized posteriorly, gradually membranous anteriorly, as long as ductus bursae vertically. Ductus bursae membranous, sclerotized projection at 3/4 posteriorly. Corpus bursae small, circular; signum bearing one tiny spine and one sclerotized plate consisting of 3 or 4 tiny spines.
Distribution
Laos (northeast, northwest, central; new).
Etymology
The name is derived from the Latin, uni (= one) plus the Latin clava (= club), referring from the large, club-shaped juxta in the male genitalia.
Original Description
- Kim, S; Bae, Y; Lee, S; 2019: Four new species and seven new records of Promalactis Meyrick, 1908 (Lepidoptera, Oecophoridae) from Laos ZooKeys, 900: 69-86. doi
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