A taxonomic review of the pericaline ground-beetles in Taiwan, with descriptions of new species (Coleoptera, Carabidae, Lebiini)

Abstract

A taxonomic review of the known Taiwanese taxa of the pericaline Lebiini, this paper includes a key to the genera, keys to species, descriptions, and redescriptions of all species, illustrations, geographic range maps, re-rankings, and new synonymies. In total 34 species are treated, nine of which are described as new. A new genus and new species are as follows: Bellavalentisgen. n., (type species Dolichoctiskuzugamii Shibata, 1967); Amphimenesabsensacidussp. n.; Amphimenesbeichatiensissp. n.; Amphimenescarinacaulissp. n.; Catascopus(s. str.)asahartisp. n.; Catascopus(s. str.)viridiorchissp. n.; Coptodera (Coptoderina) occultasp. n.; Dolichoctisbadiadorsissp. n.; Dolichoctisdilatatasp. n.; Moctherusobscurabasissp. n. After close examination of the type material of several species, we were able to determine that Coptoderinachaudoirianguilipennis (Nakane and Okhura) is a junior synonym of Coptodera (Coptoderina) chaudoiri Andrewes, syn. n. and Coptoderanobilis Jedlička is also a junior synonym of C.chaudoiri, syn. n.Dolichoctisstriatusformosanus Habu is a junior synonym of Dolichoctisrotundata (Schmidt-Goebel), syn. n.Dolichoctis (Mochtherus) uenoi Habu is a junior synonym of Mochtherusluctuosus Putzeys, syn. n.Pericalusformosanus Dupuis was recently ranked as a subspecies of Pericalusornatusformosanus Dupuis. After consideration of the several consistent taxonomic characteristics and also considering its allopatric distribution with all other species of Pericalus, we believe Pericalusformosanus Dupuis to be a valid species, stat. resurr. The monobasic genus Pseudomenarus (type species Pseudomenarusflavomaculatus Shibata, 1964) is established as conspecific with members of the genus Formosiella Jedlička, 1951, comb. n.Species previously recorded from Taiwan that are not present here include: Amphimenespiceolus Bates; Catascopusaequatus Dejean; Catascopusfacialis (Wiedemann) Coptoderainterrupta Schmidt-Goebel Coptoderaflexuosa Schmidt-Goebel and Peripristusater (Laporte). The pericaline taxa of Taiwan are arranged in 14 genera, five subgenera, and 34 currently known species. Notes on collecting circumstances, habits, and habitat are included when known.

What shapes ground beetle assemblages in a tree species-rich subtropical forest?

“…4C), which mimics erotylids in coloration, its possible hosts which also occur in Gutianshan NP (cf. Erwin and Erwin 1976;Hunting and Yang 2019)), the collyridine Tricondyla macrodera (Fig. 4D), which not only resembles ants in their habitus, but also regularly hunts them (Shook and Wu 2007;own observations), and the platynine species (cf.…”

Terry Erwin’s legacy: from taxonomy and natural history to biodiversity research and conservation biology

“…An example is his publication about the ectoparasitoidism of Eurycoleus macularis (Chevrolat, 1835) which develops on fungus beetles of the genus Amphix ( Endomychidae ), with larvae and adults both relying on the host as prey and living together with them ( Erwin and Erwin 1976 ). More than 40 years later, Hunting and Yang (2019) reported that they found another percaline ground beetle in Taiwan, namely Lioptera erotyloides Bates, 1883, which is quite similar in coloration to fungus beetles of the subfamily Megalodacninae ( Erotylidae ). Ground beetles and fungus beetles were encountered together.…”

A revision of Amphimenes (Coleoptera: Carabidae: Lebiini)

“…HABITATS AND HABITS. All specimens of A. carinacaulis were hand collected in mixed forests at 640-1850 m elevations at night [Hunting, Yang, 2019].…”

“…Larger, BL 6.3-7.7 mm. -Myanmar, Thailand to Vietnam (Dong Nai, Binh Phuoc, Dak Lak, Nghe An [Habu, 1964], up to 1.42 [Hunting, Yang, 2019] Figs 6-10. Dorsal habitus: 6 -Amphimenes acutipennis sp.n., # paratype from Kon Plong District; 7 -A. basipunctatus sp.n., holotype; 8 -A. tonkinensis sp.n., holotype; 9 -A. konplongensis sp.n., holotype; 10 -A. femoralis sp.n., # paratype.…”