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Overview

Insects are the largest class in the phylum Arthropoda. Like all arthropods, they have an external skeleton and jointed appendages. They must moult in order to grow.

The features that distinguish insects from the other arthropod groups (such as spiders, ticks, crabs and barnacles) include:

  • 3 pairs of legs
  • one pair of antennae
  • a 3-part body: head, thorax, and abdomen
  • compound eyes

 

 

 

There are nearly 30 orders of insects, but most of the more common insects belong to just 11 orders (listed in the Table below, and in the categories to the right). The table lists some of the identifying features of each of these orders. If your insect is NOT in one of these, please look under 'other insects'.

Note that the table above is based on adult insects. The early stages of many insects look very different to the adult. Where possible, we have included photos of the various life stages for each species or category.

If you are surveying aquatic invertebrates, you will almost certainly encounter a variety of insects. Some as larvae, some as adults. Some as permanent aquatic residents, but many more as visitors. The Waterbug App is an excellent guide to the diversity of aquatic invertebrates (including insects). It can be downloaded free from https://thewaterbugapp.com

 

Page 1 of Insects - 1397 species

Other families of larger moths Abantiades atripalpis (Bardee grub/moth, Rain Moth)

Abantiades atripalpis Elle Poyzer, Wonboyn
Abantiades atripalpis Josh, Tathra
Abantiades atripalpis Elle Poyzer, Wonboyn
Abantiades atripalpis
Abantiades atripalpis
Abantiades atripalpis

Common moth Abantiades hyalinatus (Abantiades hyalinatus)

Abantiades hyalinatus Photo ALA cc
Abantiades hyalinatus Wonboyn, NSW
Abantiades hyalinatus road to Baycliff, Wonboyn, NSW
Abantiades hyalinatus
Abantiades hyalinatus
Abantiades hyalinatus

Common moth Abantiades labyrinthicus (Labyrinthine Ghost Moth)

Abantiades labyrinthicus Wonboyn, NSW
Abantiades labyrinthicus
Abantiades labyrinthicus
Abantiades labyrinthicus
Abantiades labyrinthicus
Abantiades labyrinthicus

Oecophoridae Acanthodela erythrosema (Acanthodela erythrosema)

Acanthodela erythrosema Photo Donald Hobern
Acanthodela erythrosema
Acanthodela erythrosema
Acanthodela erythrosema

Other Bug Acanthucus sp. (Three-horned treehopper)

Acanthucus sp. Kerri-Lee, Tura Beach
Acanthucus sp. Kerri-Lee, Tura Beach
Acanthucus sp. Max Campbell, Tura Beach
Acanthucus sp.
Acanthucus sp.
Acanthucus sp.

Noctuidae and Erebidae Acatapaustus leucospila (Acatapaustus leucospila)

Acatapaustus leucospila Wonboyn
Acatapaustus leucospila
Acatapaustus leucospila
Acatapaustus leucospila
Acatapaustus leucospila
Acatapaustus leucospila

Pyralidae and Crambidae Acentropinae sp. (Marsh moth)

Noctuidae and Erebidae Achaea janata (Castor Semi-looper)

Achaea janata Kerry Vance, Tathra
Achaea janata

More information

Common moth Achyra affinitalis (Achyra affinitalis)

Achyra affinitalis
Achyra affinitalis
Achyra affinitalis
Achyra affinitalis

Oecophoridae Acmotoma magniferella (Acmotoma magniferella)

Oecophoridae Acmotoma sp. (Acmotoma sp.)

Oecophoridae Acolasta scolia (Acolasta scolia)

Oecophoridae Acolasta sp. (Acolasta sp.)

Noctuidae and Erebidae Acontia nivipicta (Acontia nivipicta)

Acontia nivipicta Photo Donald Hobern (ALA)
Acontia nivipicta

Other families of larger moths Acosmeryx anceus (Acosmeryx anceus)

Acosmeryx anceus Photo ALA cc
Acosmeryx anceus
Acosmeryx miskini Paul Whitington
Acosmeryx miskini Paul Whitington
Acosmeryx miskini
Acosmeryx miskini

Grasshopper (Acrididae) Acrida conica (Giant Slant-face)

Acrida conica Max Campbell, Brogo, nymph
Acrida conica Max Campbell, Brogo, nymph
Acrida conica Max Campbell, Brogo, adult
Acrida conica
Acrida conica
Acrida conica

Grasshopper (Acrididae) ACRIDIDAE (family) (Unidentified grasshopper)

More information

Other micromoths Acrocercops eupetala (Acrocercops eupetala)

Other micromoths Acrocercops laciniella (Acrocercops laciniella)

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