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China, Zhejiang Province, Anji County, Longwangshan N. R. [ca. 30°22'N, 119°30'E ].
China: Zhejiang Province: Holotype. Male, glued on a card, with genitalia mounted on a plastic slide in Euparal, with labels as follows: “Mt. Longwangshan N. R. / 950–1200m / Zhejiang Prov. / 25-IV-2004 / Liang Tang leg.” “Holotype / Apteroloma zhejiangense / Tang, Li & Růžička det. 2011” [red handwritten label] (SHNU) and “Paratype / Apteroloma zhejiangense / Tang, Li & Růžička det. 2011” [yellow printed label] for the rest of the type series. Paratypes. 1 male and 1 female, Longwanshan, 3.X.2003, Hu & Tang leg. (SHNU); 1 male, Longwanshan, 950–1200m, 25.IV.2004, Liang Tang leg. (SHNU); 1 male, Longwanshan, 300–500m, 26.IV.2004, Li & Hu leg. (SHNU); 4 males and 1 female, Longwangshan, 950–1200m, 25.IV.2004, Liang Tang, Jia-Yao Hu & Li-Long Zhu leg. (SHNU); 6 males and 7 females, Longwangshan N. R., alt. 950–1200m, 25.IV.2006, Liang Tang, Rui-Fen Lin, Xin Yuan, Jin-Wen Li & Shan-Jia Shen leg. (1 pair in JRUC, rest in SHNU).
Measurements of the male holotype: TBL=7.3 mm, PMW/PML=1.49, PMW/PBW 1.19, EL/EW 1.33, EW/PMW 1.53.
Body large, 6.7–7.7 mm in length; dorsum in mature specimens dark brown; antennae, mouthparts, lateral portion of pronotum and legs uniformly ferruginous; dorsal surface shiny, with fine transverse microsculpture (pronotum discally with nearly isodiametric microsculpture); pronotum and elytra with scattered short erect setation; each mandible with two large acute teeth on inner edge before apex.
Pronotum widest in middle; anterior margin weakly emarginate; lateral margins distinctly bordered; weakly explanate; sides flat, only moderately raised and weakly sinuate posteriorly (Fig. 1); base wide, without impressions. Disc with scattered fine punctures, lateral and posterior areas heavily, densely punctured.
Elytra broadly oval. Each elytron with nine regular striae, third stria with ca. 49–59 medium-sized punctures; lateral margin smooth, without serration; epipleural keel narrow. Elytral epipleura with strong and dense punctures (Fig. 2). Metathoracic wings fully developed.
Male. Aedeagus evenly rounded with elongate, straight apex in lateral view (Fig. 5); sides before apex broadened, with blunt tip in dorsal view (Figs 6, 7).
Female. Ventrite VIII regularly rounded posteriorly, spiculum ventrale short, narrow and truncate anteriorly (Fig. 8). Ovipositor with transverse valvifer without setae; triangular, heavily sclerotized coxite bearing numerous setae; and stylus modified into strongly curved, apically glabrous scrapers.
The new Apteroloma species, is most similar to Apteroloma jinfo, both species share the following characters in combination: body large (6.7–7.7 mm in length), dorsum dark brown with uniformly ferruginous appendages (Figs 1, 3), pronotum with wide base (Figs 1, 3), aedeagus with elongate apex in lateral view (Figs 5, 9) and sides before apex only slightly broadened in dorsal view (Figs 7, 11), female ventrite VIII with narrow spiculum ventrale (Figs 8, 12).
The recently published key of Chinese Apteroloma (Růžička and Pütz 2009) should be modified at the couplet #5 as follows to accommodate the new species:
Adjective; named after Zhejiang Province, where the new species was discovered.
China (Zhejiang) (Fig. 13). So far known only from the type locality.
All specimens of the new species were collected by sifting leaf litters in broad-leaved forest, at altitudes 300–1200 m.
- Tang, L; Li, L; Růžička, J; 2011: Notes on the genus Apteroloma of China with description of a new species (Coleoptera, Agyrtidae) ZooKeys, 124: 19-39. doi
- Růžička J, Pütz A (2009) New species and new records of Agyrtidae (Coleoptera) from China, India, Myanmar, Thailand and Vietnam. Acta Entomologica Musei Nationalis Pragae 49: 631-650.