Parentonium Crowson, 1970

Kolibac, Jiri, 2013, Trogossitidae: A review of the beetle family, with a catalogue and keys, ZooKeys 366, pp. 1-194 : 94-95

Genus Parentonium Crowson, 1970 Map 10

Parentonium Crowson, R. A. 1970: 6.

Type species.

Rentonium magnum Crowson, 1966 [by original designation]

Kolibáč, J. 2005: 76. Kolibáč, J. 2006: 116 (phylogeny)

Description.

Body size: 1.3-2.0 mm. Body shape conglobate. Gular sutures wide, subparallel. Frontoclypeal suture present. Frons: longitudinal groove or depression absent. Cranium ventrally: tufts of long setae at sides absent. Submentum of males: ctenidium absent. Antennal groove present. Eyes: size large, lateral. Eyes number: two. Epicranial acumination absent. Lacinial hooks absent. Galea: shape partially fused with lacinia. Galea: ciliate setae absent. Mediostipes-Lacinia fused together. Palpifer: outer edge denticulate. Front coxal cavities externally open, in ternally closed. Pronotum transverse. Elytra: long hairs absent. Epipleuron wide. Elytral interlocking mechanism absent, scales absent. Front tibiae: spines along side reduced. Claws: denticle absent.

Biology.

Parentonium australicum was found under the bark of a fallen Nothofagus trunk at an altitude of about 1200 m. Parentonium magnum was collected in mixed leaf-litter at about 250 m ( Crowson 1966). It is presumed that the species are fungivorous.

Distribution.

Australia: Queensland, Lamington National Park; New Zealand: Grampian Hill, Nelson.

Species:

Parentonium australicum Crowson, 1970; Australia: Queensland (RAC)

Crowson, R. A. 1970: 6

Parentonium magnum Crowson, 1966; New Zealand (RAC)

Crowson, R. A. 1966: 121 ( Rentonium ). Crowson, R. A. 1970: 6 ( Parentonium , combination). Kolibáč, J. 2005: 76

Figures

Map 10. A distribution of the tribe Thymalini including Rentonium - group.