Scoparia tribulosa, Li, 2014

Li, Wei-Chun & Liu, Dong, 2014, DNA barcoding and morphology reveal exceptional species diversity of Scoparia (Lepidoptera: Crambidae) from the Hailuogou Glacier area, China, Zoological Journal of the Linnean Society 171 (4), pp. 732-752 : 740-746

publication ID	https://doi.org/ 10.1111/zoj.12154
DOI	https://doi.org/10.5281/zenodo.10542012
persistent identifier	https://treatment.plazi.org/id/FD7FB830-DB35-0557-FEC6-F9CBFC12FDB3
treatment provided by	Marcus
scientific name	Scoparia tribulosa
status	sp. nov.

Treatment

SCOPARIA TRIBULOSA LI SP. NOV.

( FIGS 1–2 View Figure 1 View Figure 2 , 3B View Figure 3 , 4B View Figure 4 , 7A–B View Figure 7 )

Diagnosis

Very similar to Scoparia uncinata Li, Li & Nuss, 2010 and S. longispina sp. nov. in the male genitalia capsule, but distinguished easily from the two species by the characters of cornuti: the new species with one spineshaped and two small thorn-shaped cornuti attached on a broad and short sclerotized plate in the phallus ( Fig. 4B View Figure 4 ); in S. uncinata , the phallus only with a thin and long cornutus ( Li, Li & Nuss, 2010: 18, figs 17– 18); in S. longispina sp. nov., the cornuti composed of a long spine and a shorter spine ( Fig. 4C View Figure 4 ). This species is also similar to Scoparia jiuzhaiensis Li, Li & Nuss, 2010 in the whole impression of the female genitalia, but its signum and appendix bursae are well developed ( Fig. 7A–B View Figure 7 ); in S. jiuzhaiensis , the signum and appendix bursae are absent ( Fig. 8C View Figure 8 ).

Description

Adult ( Fig. 3B View Figure 3 ): Forewing length 8.0–9.0 mm. Frons and vertex white mixed with pale brown. Patagium, thorax, and tegula pale brown mixed with white. Forewing suffused with blackish brown scales; antemedian line lined with dense black scales on outer side, slightly convex near middle, curved inwards near dorsum; antemedian stigmata stripe-like; distal discoidal stigma 8-shaped; postmedian line waved, meeting costa and dorsum perpendicularly; subterminal line distinctively concave at middle, convex near dorsum; fringe white, pale brown near base. Hindwing white; fringe white, mixed with pale brown near apex. Abdomen grey.

Male genitalia ( Fig. 4B View Figure 4 ): Uncus narrow at base, broadening towards middle, then tapering to blunted apex. Gnathos a bit shorter than uncus, pointed tip with small hook. Valva narrow at base, broadening towards rounded apex; costa with small process near base, conspicuously convex near middle. Sacculus gently concave at distal one-third of ventral margin. Juxta ovate. Phallus straight, about three-quarters as long as valva; one spine-shaped and two small thorn-shaped cornuti attached on a broad and short sclerotized plate.

Female genitalia ( Fig. 7A, B View Figure 7 ): Papillae anales nearly as long as apophysis posterior. Tergite 8 about onethird as long as apophysis anterior. Antrum tubular, about half as long as colliculum, covered with dense granules. Colliculum convex laterally, much thicker than posterior part of ductus bursae. Ductus bursae thin and long. Corpus bursae ovate, covered with dense spines on left side; signum well-developed, composed of small thorns of various size; appendix bursae ovate.

Holotype

Male: China, Sichuan, Hailuogou Glacier , near no. 1 glacier, ∼ 3000 m a.s.l., 18 August 2012, W. Li and L. Huang leg., prep. gen. no. LW12027 , DNA no. L13064 ( Figs 1 View Figure 1 and 2 View Figure 2 ).

Paratypes

Fourteen males and forty-nine females, same locality as the holotype except dated 15–18 August 2012, prep. gen. nos LW12016 , LW12039 , LW12041 , LW12052 , LW13004 , and LW13020 , and DNA nos L13065 , L13066 , L13067 , L13068 , L13069 , and L13070 ( Figs 1 View Figure 1 and 2 View Figure 2 ).

Distribution

China (Sichuan).

Etymology of specific epithet

From the Latin tribulosus (= tricuspid), referring to the cornuti that is tricuspid distally in the male genitalia.

Remarks

The female genitalia of this species varied in the characters of colliculum and corpus bursae: the colliculum of most specimens is conspicuously convex near the middle, the corpus bursae is covered with dense tiny spines on the left half, and bears a stripe-like signum on right area ( Fig. 7A View Figure 7 ), but individual differences were shown by the colliculum slightly convex near anterior tip, the bursae covered with bigger spines on the left one-third, and the signum nearly ovate ( Fig. 7B View Figure 7 ). The different characters can be confirmed to intraspecific variability based on the results of phylogenetic analysis, three COI sequences (DNA nos. L13067, L13068, and L13069) of the common female specimens and one COI sequence (DNA no. L13070) of the individual female specimen were represented by a well-supported cluster ( Figs 1 View Figure 1 and 2 View Figure 2 ).