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 Major Groups | Insecta (insects) | Hemiptera (bugs) | Nepidae | Laccotrephes

Laccotrephes tristis

Major Group: Insecta
Order: Hemiptera
Family: Nepidae
Genus: Laccotrephes
Species: tristis
This genus is represented in Australian freshwaters by a single species, Laccotrephes tristis Stal.

Descriptive Features:

  • body broad, rather flattened
  • respiratory siphon at least 2/3 as long as body length, but usually as long as or somewhat longer than body
  • antennae 3-segmented, segment 2 with a finger-like projection
  • lateral margins of pronotum slightly concave but not constricted at transverse groove
  • prosternum without sulci posterior of fore coxae
  • hemelytra smooth, membrane thin with distinct venation
  • Total length: 11 - 45 mm

    Laccotrephes tristis


    Laccotrephes tristis, juvenile

    Taxonomic Checklist: Laccotrephes tristis Stal

    Distribution: Australia wide

    Functional Feeding Group: predators


    Wildes Meadow Ck at Fitzroy Falls, NSW


    Information Sources: Andersen & Weir 2004, Cassis & Gross 1995, Ingram et al 1997