Taxonomic notes on Laccobius, subgenus Glyptolaccobius, with new records and description of four new species (Coleoptera: Hydrophilidae)
Gentili Elio, Fikáček Martin
Acta Entomologica Musei Nationalis Pragae 49(2): 607-623, 2009
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Abstract: Four new species of Laccobius Erichson, 1837 in the subgenus Glyp- tolaccobius
Gentili, 1989 are described: L. guttalis sp. nov. (Nepal), L. hanka sp. nov.
(India: Arunachal Pradesh), L. josefi sp. nov. (India: Arunachal Pradesh) and L.
sipeki sp. nov. (India: Meghalaya). New records are provided for the following
species of the subgenus Glyptolaccobius: L. egregius Gentili, 1995 (India: Ut-
tarakhand), L. eliogentilii Hebauer, 2002 (Bhutan, India: Meghalaya), L. sharmai
Gentili, 1995 (Nepal), and L. silvester Gentili, 2006 (India: Uttaranchal).
Laccobius moriyai Kamite, Ogata & Hikida, 2007 is compared with the
remaining species of the subgenus Glyptolaccobius and the male genitalia of L.
pluvialis Gentili, 2006 are redrawn. An updated identification key of
Glyptolaccobius species is provided, the male genitalia of all new and some
additional species are illustrated and habitus photographs of L. guttalis sp.
nov., L. moriyai, L. hanka sp. nov. and L. sipeki sp. nov. are provided.
Differential diagnosis of the subgenus Glyptolac- cobius is modified to
accommodate the newly described taxa.
Key words: Coleoptera, Hydrophilidae, Laccobius, Glyptolaccobius, taxonomy, new species, key to species, hygropetric habitat Oriental Region, Palaearctic Region
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