Taxonomy of genus Myrmecopora Saulcy in Korea (Coleoptera: Staphylinidae: Aleocharinae)

A taxonomic study of Korean Myrmecopora Saulcy is presented. Myrmecopora (Lamproxenusa) rufescens (Sharp) previously reported by Ahn was an incorrect identification of M. (L.) reticulata Assing. Diagnoses, habitus photographs and line drawings of diagnostic characters are provided.     

Taxonomic review of the subfamily Nacerdinae (Coleoptera: Oedemeridae) in Korea

Here, we present a taxonomic review of the oedemerid subfamily Nacerdinae in Korea. Eleven species in five genera under two tribes are recognized. The subgenus Nacerdes (Patiala), represented by Nacerdes (Patiala) ocularis (Lewis), is identified for the first time in Korea. Keys, diagnoses, habitus photos of adults, and drawings of male genitalia are provided.     

Taxonomic review of the genus Copelatus Erichson (Coleoptera: Dytiscidae) in Korea

A taxonomic review of the genus Copelatus Erichson (Coleoptera: Dytiscidae) in Korea is presented. In the present study, five species of Copelatus are recognized from Korea, including one unrecorded species, C. kammuriensis. We provide a key to the Korean species of Copelatus, diagnosis of one unrecorded species, habitus photographs, scanning electron micrographs of the elytron, and illustrations of the aedeagus.     

Larval descriptions of five Byctiscus species (Coleoptera: Rhynchitidae) in Korea

The genus Byctiscus reported in Korea in five of nine species (B. lacunipennis, B. rugosus, B. puberulus puberulus, B. princeps and B. coerulans) is described for the last instar larvae. In addition, the cradle structure and host‐plants are provided.     

First record of the beetle family Biphyllidae (Coleoptera) in Korea

The Biphyllidae including four species, Biphyllus lewisi (Reitter), B. marmoratus (Reitter), B. rufopictus (Wollaston) and B. throscoides (Wollaston), are discovered for the first time in Korea. A key, habitus photographs and illustrations of diagnostic characters of the species are presented.     

Taxonomic review of the Cleridae (Coleoptera) in Korea (Part 1): Clerinae Latreille, 1802

A taxonomic review of six genera of Korean Clerinae is presented. Eleven species, including Stigmatium pilosellum (Gorham, 1878), a new Korean record, are reported in this paper. A key to the Korean species and genera, diagnoses, whole‐body photographs of adults, and illustrations of diagnostic characters are provided.     

Two Staphylinina species (Coleoptera: Staphylinidae: Staphylininae) new to Korea

Two species of the subtribe Staphylinina ( Platydracus vicarius Sharp and Ocypus lewisius Sharp) are identified for the first time in Korea. Diagnoses and illustrations of the habitus and male genitalia are presented.     

Two quediine species (Coleoptera: Staphylinidae: Staphylininae) new to Korea

Two quediine species (Quedius samuraicus Bernhauer and Schubert, and Velleius elongatus Naomi) were identified for the first time in Korea. Diagnoses and illustrations of the habitus and male genitalia are presented.     

Korean species of the Genus Scaphobaeocera Csiki (Coleoptera: Staphylinidae: Scaphidiinae) in Korea

The genus Scaphobaeocera Csiki including three species ( S. dorsalis Löbl, S. inexpectata Löbl, S. pecki Löbl) is identified for the first time in Korea. A key to the species is given with diagnosis and illustrations of important morphological features.     

A Taxonomic Note on the Little Known Family Prostomidae in Korea (Coleoptera: Tenebrionoidea)

A taxonomic study of the Korean Prostomidae is presented. Two species (Prostomis latoris Reitter, P. mordax Reitter) are recognized and P. mordax is reported for the first time in Korea. Comparison with type specimens was made. An illustration of the habitus and line drawings of diagnostic characters are provided.     

Two Ochthephilus Mulsant and Rey species new to Korea (Coleoptera: Staphylinidae: Oxytelinae)

The genus Ochthephilus Mulsant and Rey and two species –O. antennatus (Watanabe and Shibata) and O. vulgaris (Watanabe and Shibata) – are identified for the first time in Korea. A key, illustrations of the habitus, and line drawings of diagnostic characters are presented.     

Three littoral Athetini (Coleoptera: Staphylinidae: Aleocharinae) species new to Korea

Three littoral Athetini species –Adota magnipennis (Bernhauer), Atheta ririkoae Sawada and Atheta tokiokai (Sawada) – are reported for the first time in Korea. Diagnoses, illustrations of the habitus and line drawings of diagnostic characters are provided.     

Taxonomy of two oxypodine genera, Porocallus Sharp and Rhomphocallus Assing, in Korea (Coleoptera: Staphylinidae: Aleocharinae)

A taxonomic study of the genera Porocallus Sharp and Rhomphocallus Assing in Korea is presented. The genus Rhomphocallus and two species, Rhomphocallus princeps (Sharp) and Rhomphocallus maruyamai Assing, are reported for the first time in Korea. Porocallus insignis Sharp is recorded for the first time in South Korea. Diagnoses, illustrations of habitus and line drawings of diagnostic characters are provided.