Abstract
The millipede genus Chamberlinius is basically confined to Taiwan, with only one of the four known species presumably introduced to southern Japan. Both previously known species are redescribed, based on new material: Chamberlinius hualienensis Wang, 1956 (the type species) and Chamberlinius piceofasciatus (Gressitt, 1941), the latter being a new subjective senior synonym of Chamberlinius shengmui Wang, 1957, syn. n. Two further congeners are described as new: Chamberlinius pessior sp. n. and Chamberlinius sublaevus sp. n. The genus is re-diagnosed, all of its four species are keyed, and their distributions mapped. The tribe Chamberlinini is reclassified and, based on gonopod traits, shown to comprise the following five genera: Chamberlinius Wang, 1956, Haplogonosoma Brölemann, 1916, Riukiupeltis Verhoeff, 1939, Aponedyopus Verhoeff, 1939 and Geniculodesmus Chen, Golovatch and Chang, 2008.
Highlights
The genus Chamberlinius Wang, 1956 was first erected, based on the single species C. hualienensis Wang, 1956, taken from Taruko, Hualien, Taiwan (Wang 1956)
Jeekel (1968) placed Chamberlinius in the tribe Sulciferini, subfamily Paradoxosomatinae. He compared the illustrations of Orthomorphella pekuensis (Karsch, 1881), the type species of Orthomorphella Hoffman, 1963, which Hoffman (1963) had validated, with the poor line drawings of both Chamberlinius hualienensis Wang, 1956 and C. shengmui Wang, 1957 as presented by Wang (1956, 1957), to conclude that Chamberlinius was a senior synonym of Orthomorphella
External morphology was examined and the drawings prepared with a LEICA MZ 16 stereomicroscope as well as with a HITACHI S2400 scanning electron microscope
Summary
The genus Chamberlinius Wang, 1956 was first erected, based on the single species C. hualienensis Wang, 1956, taken from Taruko, Hualien, Taiwan (Wang 1956).
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