A new genus and two new species of Southeast Asian Bidessini as well as new synonyms for Oceanian species (Coleoptera, Dytiscidae).
Rompindessus jenisiBalke, Bergsten & Hendrich,gen. n.etsp. n.is described from near Rompin village in West Malaysia. The new genus is characterized by the presence of an occipital line and basal pronotal striae, the presence of a thick anterior bead on clypeus and two-segmented parameres as well as by the absence of basal elytral striae, the absence of sutural line on elytron, the absence of basal epipleural transverse carina, and the absence of longitudinal elytral carina. Moreover, male pro- and mesotarsus appear stout, and distinctly dilated laterally; the pronotum is comparably long and parallel-sided and the colour of beetle conspicuous dark orange.Leiodytes kualalipisBalke, Wang, Bergsten & Hendrich,sp. n.is described from West Malaysia (Pahang) and South Vietnam (Cat Tien). It is well characterized by its large size, elongate body and the form of the median lobe.Limbodessus fijiensis(J. Balfour-Browne, 1944),comb. n.described from Fiji is a new synonym ofLimbodessus curviplicatus(Zimmermann, 1927) described from Samoa.
SNSB-Zoologische Staatssammlung München, Münchhausenstrasse 21, München, Germany.
Michael
M
Balke
Department of Zoology, Swedish Museum of Natural History, Box 50007, SE-10405 Stockholm, Sweden.
Johannes
J
Bergsten
Division of Forest Protection, Taiwan Forestry Research Institute, Taipei, Taiwan.
Liang-Jong
LJ
Wang
SNSB-Zoologische Staatssammlung München, Münchhausenstrasse 21, München, Germany.
Lars
L
Hendrich
Bidessini; Dytiscidae; Oceania; Southeast Asia; new combination; new genus; new species; new synonymy