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Yamamoto Shûhei 한국응용곤충학회 2023 Journal of Asia-Pacific Entomology Vol.26 No.2
Solieriinae is a small subfamily of rove beetles, with only a monospecific extant genus, Solierius Bernhauer, 1921, from South America restricted to the temperate forests of southern Chile and Argentina, and four additional species in the extinct genus Prosolierius Thayer, Newton & Chatzimanolis, 2012. All fossil records reported to date are limited to Prosolierius, and are known from the Cretaceous of Barremian–Cenomanian amber deposits from Lebanon, Spain, and northern Myanmar (Kachin). Here, a remarkable new species of Solieriinae, Prosolierius thayerae sp. nov., from mid-Cretaceous Kachin amber is described. The new species is externally similar to Prosolierius tenuicornis Thayer, Newton & Chatzimanolis, 2012, from the same amber deposit in having elongate antennomere 10, but it has shorter antennae, and more importantly has highly modified antennomeres 3 and 4 in both antennae. Notably, these modifications are exceptional in typical staphylinids. Together with the four other fossil species of Prosolierius, the discovery also highlights the hidden paleodiversity of solieriine rove beetles in the mid-Cretaceous. https://www.zoobank.org/urn:lsid:zoobank.org:pub:1EC7EEE5-F413-4C5F-BA45-744EB88B7173
Yamamoto Shûhei 한국응용곤충학회 2023 Journal of Asia-Pacific Entomology Vol.26 No.4
The rove beetle subfamily Tachyporinae was recently divided into the Tachyporinae and Mycetoporinae sub familities. Fossil records of mycetoporines are relatively rare, and no Mesozoic amber fossils belonging to this subfamily have been reported. In this study, a new species of the extant Palearctic genus Parabolitobius Li, Zhao & Sakai, 2000, Parabolitobius antiquus sp. nov., is described and illustrated based on a remarkably well-preserved single male adult specimen found in mid-Cretaceous Kachin amber from northern Myanmar. This discovery represents the first Mesozoic amber inclusion of mycetoporine rove beetles and raises the possibility that the genus was widely distributed across Pangea with later global extinction. www.zoobank.org:pub:8FD4ED8A-B65E-4A3F-90FB-F5B5D230D731.
Yamamoto Shûhei,Newton Alfred F. 한국응용곤충학회 2023 Journal of Asia-Pacific Entomology Vol.26 No.2
Phloeocharis Mannerheim is the largest genus within the problematic rove beetle subfamily Phloeocharinae, with a single extinct and 44 recent species recorded from the Holarctic Region. Until now, the oldest fossil record of Phloeocharis was known from Late Cretaceous (Turonian) amber from New Jersey, USA. Here we describe †Phloeocharis burmana n. sp. from mid-Cretaceous (Albian–Cenomanian) Kachin amber from northern Myanmar, as the earliest extinct species of this genus. Our finding also sheds light on the biogeography of Phloeocharis, since no recent or extinct species have so far been recorded from the Oriental Region. Furthermore, the discovery of †P. burmana n. sp. extends the Mesozoic diversity of the phloeocharine rove beetles both taxonomically and morphologically, particularly from Kachin amber.
Stag beetle fauna of Cambodia (Coleoptera: Lucanidae)
Maquart Pierre-Olivier,Yamamoto Shûhei,Sopha Sin,Chhorn Soksan,Phak Satha,Sinovas Pablo,Phauk Sophany,Boyer Sébastien 한국응용곤충학회 2023 Journal of Asia-Pacific Entomology Vol.26 No.1
To date, no species catalogue of stag beetles (Lucanidae) has been compiled for Cambodia. According to the available literature, we assembled the checklist based on the previously recorded and recognized Cambodian lucanid species in the country. In the present paper, we newly record four species from Cambodia: Falcicornis axisopsis (Séguy, 1954); Neolucanus similis Bomans & Ratti, 1976; Prosopocoilus suturalis (Olivier, 1789); and Prosopocoilus jenkinsi (Westwood, 1848). An updated checklist of the Cambodian stag beetles is given. The total number of the Cambodian lucanid species has now reached 29, but this species count is considerably less diverse than those in neighboring countries. Our study suggested that this poor diversity is not primarily due to biogeography or small country size but to a lack of research effort.