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 |
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Laccotrephes tristis |
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Laccotrephes tristis, juvenile |
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Taxonomic Checklist: Laccotrephes tristis Stal |
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Distribution: Australia wide
Functional Feeding Group: predators |
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Wildes Meadow Ck at Fitzroy Falls, NSW |
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Information Sources: Andersen & Weir 2004, Cassis & Gross 1995, Ingram et al 1997 |
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