First record of Stigmatijanus Wei (Hymenoptera: Cephidae)from South Korea with description of a new species

The genus Stigmatijanus Wei, 2007 is recorded from Korea for the first time. A diagnosis of the genus is briefly discussed. A new species, Stigmatijanus koreanus sp. nov., is described from Mt. Homyeong, Gyeonggi-do, South Korea. A key to the three species of the genus is provided.     

First record of the family Embolemidae (Hymenoptera: Chrysidoidea) from Korea

The family Embolemidae Westwood, 1833 is recorded for the first time in Korea, based on a species Embolemus ruddii Westwood. A diagnosis of this species complemented by digital images are provided.     

First record of the family Heloridae (Hymenoptera: Proctotrupoidea) from Korea

As part of an ongoing study of the superfamily Proctotrupoidea, the family Heloridae Förster is recorded for the first time from Korea, based on the two species, Helorus anomalipes (Panzer) and H. ruficornis Förster. A species key to Korean Heloridae, diagnosis and digital images are provided.     

A revision of the Chinese Stephanidae (Hymenoptera, Stephanoidea)

Stephanidae Leach, 1815 (Hymenoptera: Stephanoidea) from China are revised. Five genera are reported from China: Foenatopus Smith, 1861; Megischus Brullé, 1846; Parastephanellus Enderlein, 1906; Schlettererius Ashmead, 1900; and Stephanus Jurine (in Panzer), 1801, and the genera are keyed. All the Chinese species are described and illustrated and new synonyms are established. Keys to species of the five genera occurring in China and adjacent regions are provided.SIX SPECIES ARE NEW TO SCIENCE: Foenatopus brevimaculatussp. n., Foenatopus maculiferussp. n., Foenatopus yangisp. n., Parastephanellus angulatussp. n., Parastephanellus brevicoxalissp. n. and Parastephanellus zhejiangensissp. n. One species, Parastephanellus matsumotoi van Achterberg, 2006, is newly recorded from China.The following 9 new synonyms are proposed: Foenatopus aratifrons Enderlein, 1913 and Foenatopus yunnanensis Chao, 1964, new synonymys for Foenatopus annulitarsus Enderlein, 1913; Foenatopus cerviculatus (Chao, 1964) and Foenatopus chaoi Belokobylskij, 1995 for Foenatopus chinensis (Elliott, 1919); Foenatopus formosanus Enderlein, 1913 for Foenatopus cinctus (Matsumura, 1912); Foenatopus simillimus (Elliott, 1920) and Foenatopus trilineatus (Elliott, 1920) for Foenatopus flavidentatus (Enderlein, 1913); Foenatopus trilobatus (Elliott, 1920) for Foenatopus ruficollis (Enderlein, 1913); Parastephanellus austrochinensis Belokobylskij, 1995 for Parastephanellus brevistigma Enderlein, 1913. A lectotype is designated for Diastephanus trilineatus Elliott, 1920.     

First record of Vanhorniidae (Hymenoptera: Proctotrupoidea) from Korea

The family Vanhorniidae Crawford, 1909 was recorded for the first time in Korea. As a result of a taxonomic study of the Korean Vanhorniidae, we report on one species, Vanhornia eucnemidarum Crawford, 1909. A diagnosis and photographs of diagnostic characteristics are provided.     

Revision of the family Sphecidae (Hymenoptera: Apoidea) in South Korea

Korean species of the family Sphecidae are reviewed, and seventeen species in nine genera belonging to three subfamilies are confirmed. Among them, Ammophila campestris and Sceliphron caementarium are new to South Korea. Korean occurrence of Sceliphron madraspatanum is confirmed with an actual Korean specimen. This paper provides the first determination keys to higher taxa and species occurring in South Korea. Taxonomic information of each species including original publication of valid name and justifiable references for Korean occurrence is provided. Digital images and line drawings for selective characteristics are also available.     

韩国黄蚜小蜂属分类研究(膜翅目:蚜小蜂科)

本文报道采自韩国的黄蚜小蜂属5种,包括1新种（Aphytis albus,sp．nov．)及4个韩国新记录种(Adiaspidis,A.japonicus,Aproclia和Avandenboschi),编制了雌成虫检索表。新种模式标本保存在韩国国立树木园和东北林业大学昆虫标本室。     

First record of the tribe Trigonoderini (Hymenoptera: Pteromalidae) from South Korea with descriptions of two new species

The tribe Trigonoderini (Hymenoptera: Pteromalidae) contains six genera (Gastracanthus Westwood, Janssoniella Kerrich, Miscogasteriella Girault, Platygerrhus Thomson, Plutothrix Förster and Trigonoderus Westwood). This tribe is recorded from South Korea for the first time. Two new species, Janssoniella albiclava Tselikh & Lee sp. nov. from South Korea and J. magna Tselikh & Lee sp. nov. from South Korea and the South Far East of Russia, are described. Eight species (Gastracanthus acutus (Kamijo), G. nigrescens Kamijo, Janssoniella intermedia Hedqvist, Miscogasteriella sulcate (Kamijo), Plutothrix scrobicula Kamijo, P. trifasciata (Thomson), Trigonoderus fraxini Yang and T. nigrocephalus Kamijo) are recorded from South Korea for the first time. The keys for identification of the Eastern–Palearctic species of Janssoniella and Gastracanthus are given and photos of diagnostic characters of the new species are provided.     

First record of the termite family Kalotermitidae (Blattodea: Termitoidae) in Korea

The drywood termite Kalotermitidae Froggatt, represented by Glyptotermes nakajimai Morimoto, is identified for the first time in Korea. They were collected in Yeoseo-do Island, the southern part of the Korean peninsula. A key to the termite species in Korea, habitus photographs of all castes, ecological information, and illustrations of diagnostic characters 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.     

First record of the genus Codrus Panzer (Hymenoptera: Proctotrupidae) from South Korea with description of a new species

The genus Codrus Panzer, 1803 is recorded for the first time from South Korea. A new species and three newly recorded species are described: C. tripotini Lee and Park sp. nov., C. ciliatus Townes, 1981, C. nebriae (Watanabe, 1954) and C. niger Panzer, 1803. Additionally, C. ciliatus Townes is newly added to Chinese fauna. A key to the South Korean Codrus, diagnostic characteristics and photographs are provided.     

Two new species of the genus Probles Förster (Hymenoptera: Ichneumonidae: Tersilochinae) from South Korea and Russian Far East

Two species of the genus Probles Förster, P. interruptor sp . nov . and P. segaza sp . nov ., from South Korea and Russian Far East, are described. Probles interruptor differs from its congeners by occipital carina mediodorsally narrowly interrupted and polished occipital surface extending partly on the vertex. Probles segaza differs from other species of Euporizon by its robust ovipositor with a deep and narrow dorsal subapical notch.