Peltonyxa Reitter, 1876

Kolibac, Jiri, 2013, Trogossitidae: A review of the beetle family, with a catalogue and keys, ZooKeys 366, pp. 1-194: 131-132

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Peltonyxa Reitter, 1876


Genus Peltonyxa Reitter, 1876  Figs 1, 12; Map 13

Peltonyxa  Reitter, E. 1876: 46.

Type species.

Peltonyxa deyrollei  Reitter, 1876 [by monotypy]

Léveillé, A. 1910: 24. Kolibáč, J. 2005: 76 (redescription). Kolibáč, J. 2006: 111 (phylogeny). Kolibáč, J. 2010: 35 (key). Matthews, E. G. 1992: 3

Floricateres  Crowson, 1970 [Type species: Floricateres pusillus  Crowson, 1970]

Crowson, R. A. 1970: 10. Kolibáč, J. 2005: 76 (syn. Floricateres  )


Body size: about 3.5 mm. Body shape flat. Gular sutures wide, subparallel. Frontoclypeal suture broadly emarginate. Frons: longitudinal groove or depression absent. Cranium ventrally: tufts of long setae at sides absent. Submentum of males: ctenidium present. Antennal groove present. Eyes: size moderate. Eyes number: two. Epicranial acumination moderate. Lacinial hooks absent. Galea: shape very small. Galea: ciliate setae absent. Mediostipes-Lacinia not fused. Palpifer: outer edge even. Mandibular apical teeth number: two, horizontally situated. Mola absent. Penicillus (at base) absent. Pubescence above mola or cutting edge absent. Ventral furrow absent. Basal notch moderate. Labrum-Cranium not fused. Epipharyngial sclerite absent. Lateral tormal process: projection projection reduced or absent ( Promanus  ). Ligula: ciliate setae absent. Ligula membranous, not retroflexed, deeply emarginate. Hypopharyngeal sclerite H-shaped. Antenna 9-segmented. Antennal club weakly asymmetrical, sensorial fields absent. Front coxal cavities externally open, internally open. Pronotum transverse. Prepectus present. Middle coxal cavities open. Elytra: long hairs absent. Epipleuron moderate. Elytral interlocking mechanism absent, carinae conspicuous or reduced. Elytral punctation regular, scales absent. Wing: radial cell moved down, often small, wedge cell absent, cross vein MP3-4 absent, cross vein AA1+2-3+4 absent. Front tibiae: spines along side moderate. Hooked spur present. Claws: denticle absent. Spiculum gastrale present. Tegmen composed of three parts. Coxitae divided.


Peltonyxa pusillus  was collected on the flowers of Bursaria  ( Crowson 1970). South Australian species occur in the sclerophyll and Eremaean zones ( Matthews 1992).


Australia: South Australia, New South Wales, Victoria.


Peltonyxa australis  Blackburn, 1891; S Australia (AL)

Léveillé, A. 1910: 24

Peltonyxa deyrollei  Reitter, 1876; Australia (AL)

Léveillé, A. 1910: 24. Kolibáč, J. 2005: 76. Reitter, E. 1876: 46

Peltonyxa invalida  Blackburn, 1902; Australia ("Nov. Gall. mer.") (AL)

Léveillé, A. 1910: 24

Peltonyxa pubescens  Blackburn, 1891; Australia: Victoria (AL)

Léveillé, A. 1910: 24

Peltonyxa pusillus  Crowson, 1970; Australia: NSW (RAC)

Crowson, R. A. 1970: 11 ( Floricateres  )