Pluma shuni Liang, Solovyev & Wang, 2023

Liang, Jiamin, Solovyev, Alexey V. & Wang, Houshuai, 2023, Pluma, a new genus of slug moths (Lepidoptera: Limacodidae) from South China with descriptions of two new species, Zootaxa 5301 (2), pp. 246-256 : 250

Pluma shuni Liang, Solovyev & Wang sp. nov.

urn:lsid:zoobank.org:act:EDF9F834-2166-4AA2-AECD-B6820D0F6324

( Figs 2–4 , 8–10 , 12 )

Diagnosis. The species is separated from another congener by the bigger size and the vesica in male genitalia bearing two clusters of cornuti instead of three.

Description. Adult ( Figs 2–4 , 12 ). Male. Forewing length 11–14 mm. Antennae bipectinate up to the tip. Frons and vertex covered with beige-brown bristles. Labial palpus pale brownish-yellow straight, about 1.5 times as long as diameter of compound eyes. The ground color brownish-yellow, with light field under the cubital veins. Wing venation with Sc and R 1 almost parallel, R 2, R 3 and R 4 stalked, R 3 +R 4 branching from near the basal 1/5 of R 2, R 5 arising from apical angle of discal cell, M 1 originates from middle of outer margin of discal cell. Hindwing grayish-brown, with long gray cilia; Sc connecting to Rs with R 1 forming Sc+R 1, Rs and M 1 stalked basally, M 3 arising from down apical angle of discal cell. Abdomen black brown dorsally, with long bristles. Legs brown yellow; hind femur with yellow scales laterally; hind tibia well developed with four brown spurs, hind tarsus with dark brown scales distally.

Male genitalia ( Figs 8–10 ). Uncus slender with acute and strongly sclerotized apex. Gnathos well developed and slender. Valvae broad and round distally, with parallel margin. Juxta simple and flattened. The aedeagus is tube-shaped, slightly curved, short. The vesica bears two clusters of cornuti.

Female unknown.

Type materials. Holotype: ♁, Nanling Mts. , Shaoguan City, Guangdong Province, China, 30–VI–2006, leg. Liusheng Chen. Paratypes: 1 ♁, same data as holotype; 1 ♁, same locality as holotype, 10– VI –2015, leg. Houshuai Wang ; 1 ♁, same locality as holotype, 16– VI –2020, leg. Min Wang.

Distribution. China (Guangdong Province).

Etymology. The specific name is given after Shun who is a Chinese ancient emperor, and is believed to visit Nanling Mountain (type locality of the new species).

Figures

FIGURE 12. Venation of Pluma shuni sp. nov., male, paratype.

FIGURES 2–5. Adults. 2–4. Pluma shuni sp. nov. (2. male, holotype; 3–4. males, paratypes); 5. Pluma yuensis sp. nov. (male, holotype). Scale bars = 10 mm.

FIGURES 8–11. Genitalia of Pluma spp. 8. Pluma shuni sp. nov., male, holotype; 9. ditto, male, paratype; 10. ditto, male, paratype; 11. Pluma yuensis sp. nov., male, holotype. Scale bars = 1 mm.