Irepacma bifida, Wang & Li, 2005

Wang, S. & Li, H., 2005, The Genus Irepacma (Lepidoptera: Oecophoridae) From China, Checklist, Key To The Species, And Descriptions Of New Species, Acta Zoologica Academiae Scientiarum Hungaricae 51 (2), pp. 125-133 : 130-131

publication ID

https://doi.org/ 10.5281/zenodo.12586397

DOI

https://doi.org/10.5281/zenodo.12586418

persistent identifier

https://treatment.plazi.org/id/A45A87C1-067C-F653-F0BD-FCC7FDA5FD39

treatment provided by

Felipe

scientific name

Irepacma bifida
status

sp. nov.

Irepacma bifida View in CoL sp. n.

( Figs 2 View Figs 1–4 , 6 View Figs 5–8 , 11–12 View Figs 9–12 )

Holotype: male, Mt. Fanjing (27.55°N, 108.41°E), Guizhou Province, alt. 1700 m, 1.VI.2002, leg. Xinpu Wang. GoogleMaps

Paratypes: 2 males and 3 females, 28.V–1.VI.2002, same locality as holotype GoogleMaps .

Diagnosis. This species may be separated from all the other described congeners by the following characters: the fore wings evenly deep gray; in the male genitalia, gnathos distinctly divided into two sclerotized lunate plates; in the female genitalia, signum very large, spiniform, with small teeth at the recurved edge.

Description: Adult ( Fig. 2 View Figs 1–4 ). Wingspan 18.0–24.0 mm. Head pale orange yellow. Labial palpi somewhat pale ocherous yellow, ending in point. Antennae grayish yellow, with brown rings. Thorax and tegulae deep gray. Fore wings evenly deep gray; costal margin arched; termen oblique; apex roundly protruded; cilia gray, tinged with yellowish brown. Hind wings and cilia gray. Legs pale yellowish white, with pale gray scales on outside.

Male genitalia ( Fig. 6 View Figs 5–8 ). Uncus small, triangular in shape. Gnathos large and sclerotized, distinctively divided into two sclerotized lunate plates, finely haired; lateral arms as long as lunate plate. Tegumen broad, with anterior margin deeply concave, lateral sides wide, greatly extended. Valvae relatively broad except for narrowed basal 1/3; costa slightly concave beyond middle, convex near apex and forming small subtrianglular projection; dorso-proximal process absent. Sacculus slightly longer than half of valva; basal 1/3 of dorsal margin sclerotized, with a small rounded process distally pointing upward; forked from about basal 1/3 and forming two large processes having rounded apex: dorsal process short, with large setae distally; ventral process larger and longer, with fine hairs. Saccus large and broad, roughly triangular, weakly sclerotized, distally with papilla. Juxta relatively small, a pair of weakly sclerotized, narrowed plates curved inward. Aedeagus slender; basal 1/3 very thin, expanded at base; middle portion straight, parallel-sided; distal 1/4 composed of a few long spines.

Female genitalia ( Figs 11–12 View Figs 9–12 ). Papillae anales short and broad, quadrate. Apophyses posteriores longer than papillae anales. Eighth sternite posteriorly with two sclerotized, transversal plates; lamella antevaginalis large, dumbbell-like, sclerotized. Antrum heavily sclerotized, irregularly trapezoidal, a little shorter than papillae anales; posterior margin concave, laterally more or less projected. Ductus bursae partially sclerotized. Corpus bursae a little longer than ductus bursae, elliptical. Signum very large, spiniform, expanded basally, with small teeth at the recurved edge.

Distribution: China (Guizhou).

Etymology: The epithet of this new species is from the Latin bifidus (split in two), in reference to the shape of gnathos.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Lepidoptera

Family

Autostichidae

Genus

Irepacma

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