■ Reports
Kimio Masumoto, Makoto Kiuchi & Tai-Chuan Wang 1
A new species of the genus Oxyomus (Coleoptera, Scarabaeidae, Aphodiinae) from the Yushan National Park, Taiwan
Kimio Masumoto & Teruo Ochi 5
A new Rhyparus species (Coleoptera, Scarabaeidae, Aphodiinae, Rhyparini) from North Thailand - the first Thai record of the member of the genus -
Teruo Ochi, Yoshihisa Kusui & Hong Thai Pham 10
A new Rhyparus species from Vietnam (Coleoptera, Scarabaeidae, Aphodiinae, Rhyparini)
Teruo Ochi, Masahiro Kon & Masakazu Kawahara 15
Four new species of the genus Rhyparus from Laos (Coleoptera, Scarabaeidae, Aphodiinae, Rhyparini)
Masahiro Kon & Teruo Ochi 32
Dung ball rolling behavior of Onthophagus (Onthophagiellus) kapitensis Frey (Coleoptera, Scarabaeidae, Scarabaeinae)
Teruo Ochi, Masahiro Kon & Masakazu Kawahara 35
A new species of the genus Phelotrupes from Myanmar (Coleoptera, Geotrupidae)
Takeshi Matsumoto 39
Distribution patterns of punctures on the occiput in the subtribe Rhizotrogina (Scarabaeidae, Melolonthinae, Melolonthini)
Hirokazu Kobayashi 47
Description of a new subspecies of Brahmina taitungensis and proposal of a replacement name for B. pubiventris (Scarabaeidae, Melolonthinae) with a list and a key to the species of Brahmina from Taiwan
Hirokazu Kobayashi 53
New species and new distribution records of the genus Tetraserica (Coleoptera, Scarabaeidae, Melolonthinae, Sericini)
Hirokazu Kobayashi 59
Four new species of the genus Thoracoplia (Coleoptera, Scarabaeidae, Melolonthinae, Hopliini) from China and Laos
Hirokazu Kobayashi 67
On the genus Adoretus Dejean, 1833 (Coleoptera, Scarabaeidae, Rutelinae) from North Thailand
Kunio Araya & Yoshinao Tanaka 83
Preliminary study on the female preference of Neolucanus progenetivus (Coleoptera, Lucanidae) to the wood decay type of oviposition substrate
Norio Okuda and Takeshi Maeda 87
A new species of the genus Nigidius (Coleoptera, Lucanidae) from eastern Arunachal Pradesh, northeastern India
■ 報 文
台湾産ムネミゾマグソコガネ属の1新種(英文)
益本 仁雄・木内 信・王 泰權 1
北タイからのスジカクマグソコガネ属1新種-本属タイ新記録-(英文)
益本 仁雄・越智 輝雄 5
ベトナムからのRhyparus属の1新種(英文)
越智 輝雄・楠井 善久・Hong Thai Pham 10
ラオスからのRhyparus属の4新種(英文)
越智 輝雄・近 雅博・河原 正和 15
エンマコガネの1種 Onthophagus (Onthophagiellus) kapitensisの糞玉転がし行動(英文)
近 雅博・越智 輝雄 32
ミャンマーからのPhelotrupes属の1新種(英文)
越智 輝雄・近 雅博・河原 正和 35
クロコガネ亜族における後頭部点刻の分布様式(英文)
松本 武 39
台湾産アカチャコガネ属とその1新亜種の記載(英文)
小林 裕和 47
Tetraserica属の新種と新分布記録(英文)
小林 裕和 53
中国・ラオスのThoracoplia属の4新種(英文)
小林 裕和 59
北部タイのコイチャコガネ属について(英文)
小林 裕和 67
幼虫の餌腐植物を形成する木材の腐朽型に対するアマミマルバネクワガタの産卵選好性に関する予備的実験(英文)
荒谷 邦雄・田中 良尚 83
インド北東部アルナーチャル・プラデーシュ州東部産ツノヒョウタン属の1新種(英文)
奥田 則雄・前田 健 87
■ 投稿規程(英文) 90
KOGANE No. 21 CONTENTS
■ Reports
Kimio Masumoto, Makoto Kiuchi & Tai-Chuan Wang 1
A new species of the genus Oxyomus (Coleoptera, Scarabaeidae, Aphodiinae) from the Yushan National Park, Taiwan
Kimio Masumoto & Teruo Ochi 5
A new Rhyparus species (Coleoptera, Scarabaeidae, Aphodiinae, Rhyparini) from North Thailand - the first Thai record of the member of the genus -
Teruo Ochi, Yoshihisa Kusui & Hong Thai Pham 10
A new Rhyparus species from Vietnam (Coleoptera, Scarabaeidae, Aphodiinae, Rhyparini)
Teruo Ochi, Masahiro Kon & Masakazu Kawahara 15
Four new species of the genus Rhyparus from Laos (Coleoptera, Scarabaeidae, Aphodiinae, Rhyparini)
Masahiro Kon & Teruo Ochi 32
Dung ball rolling behavior of Onthophagus (Onthophagiellus) kapitensis Frey (Coleoptera, Scarabaeidae, Scarabaeinae)
Teruo Ochi, Masahiro Kon & Masakazu Kawahara 35
A new species of the genus Phelotrupes from Myanmar (Coleoptera, Geotrupidae)
Takeshi Matsumoto 39
Distribution patterns of punctures on the occiput in the subtribe Rhizotrogina (Scarabaeidae, Melolonthinae, Melolonthini)
Hirokazu Kobayashi 47
Description of a new subspecies of Brahmina taitungensis and proposal of a replacement name for B. pubiventris (Scarabaeidae, Melolonthinae) with a list and a key to the species of Brahmina from Taiwan
Hirokazu Kobayashi 53
New species and new distribution records of the genus Tetraserica (Coleoptera, Scarabaeidae, Melolonthinae, Sericini)
Hirokazu Kobayashi 59
Four new species of the genus Thoracoplia (Coleoptera, Scarabaeidae, Melolonthinae, Hopliini) from China and Laos
Hirokazu Kobayashi 67
On the genus Adoretus Dejean, 1833 (Coleoptera, Scarabaeidae, Rutelinae) from North Thailand
Kunio Araya & Yoshinao Tanaka 83
Preliminary study on the female preference of Neolucanus progenetivus (Coleoptera, Lucanidae) to the wood decay type of oviposition substrate
Norio Okuda and Takeshi Maeda 87
A new species of the genus Nigidius (Coleoptera, Lucanidae) from eastern Arunachal Pradesh, northeastern India
■ Call for Papers/Author Guidelines 90