The genus Acanthosoma in Taiwan (Hemiptera: Heteroptera: Acanthosomatidae)
Jing-Fu Tsai, Dávid Rédei
Species of the genus Acanthosoma Curtis, 1824 (Hemiptera: Heteroptera: Acanthosomatidae) occurring in Taiwan are reviewed. Twelve species are recognized, treated, and keyed. Four species (A. atayal sp. nov., A. axicia sp. nov., A. fallax sp. nov. and A. pugnax sp. nov.) and one subspecies (A. haemorrhoidale formosanum subsp. nov.) are described as new. Five species are recorded for the fi rst time from Taiwan: A. crassicaudum Jakovlev, 1880; A. expansum Horváth, 1905; A. forfi cula Jakovlev, 1880; A. laevicorne Dallas, 1851; A. sichuanense (Liu, 1980). The records of A. forfex Dallas, 1851 and A. rufescens Dallas, 1851 from Taiwan by previous authors are considered as erroneous. Lectotypes are designated for A. expansum and A. laevicorne. The Acanthosoma fauna of Taiwan is highly endemic; the zoogeographical affi nities of the species are briefl y discussed.