Taxonomic revision of the genus Penia Laporte (Coleoptera, Elateridae, Dendrometrinae) from Taiwan.

The genus Penia Laporte, 1838 (tribe Dimini Candze, 1863, subfamily Dendrometrinae Gistel, 1848) has three known endemic species from Taiwan. However, little is still known about these species and their important features, including genitalia. Here, the taxonomy of Taiwanese Penia is revised and eight species are confirmed: Penia alishanensis sp.

Taxonomic revision of the genus Ectamenognonus Buysson (Coleoptera, Elateridae, Elaterinae) from Japan.

In Japan, the genus Ectamenogonus Buysson, 1893 (tribe Megapenthini Gurjeva, 1973, subfamily Elaterinae Leach, 1815) was considered to have five species. However, the Japanese species remain unclear. The taxonomy of Japanese Ectamenogonus is revised and four species are confirmed: E.