Aphids

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  Southern wheat aphid Oat or wheat aphid parasitised mummy with healthy aphid
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  Rose-grain aphids Rose-grain aphid, adult and nymphs

Beetles

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  Identifying stored grain beetles

  A flowchart of a model for identifying stored grain beetles.

Bugs

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  Rutherglen bug on plant Damage to sunflower bud caused by Rutherglen bug.
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  Brown smudge bug A brown smudge bug attacks an aphid.
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  Rutherglen bug Rutherglen bugs nymphs and adults showing the difference between nymph and adult body shape and colour.

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  Wingless cockroaches' leaf damage Damage to plant leaf caused by wingless cockroaches.
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  Cockroaches A wingless cockroach showing markings

Earwigs

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  Black field earwig Adult and nymph black field earwigs.
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  Earwigs Earwig nymph and adults chew on germinating maize seed and young maize seedlings.

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  Dying helicoverpa caterpillar on a sorghum leaf Microplitis cocoon attached to a dying helicoverpa caterpillar on a sorghum leaf.
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  Heliocoverpa moth comparison

  H. punctigera and H. amigera adult moths

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  Helicoverpa larvae comparison

  Image showing key differences between H. punctigera and armigera.

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  Larvae of Heliocovrpa

  A row of Helicoverpa coloured larvae.

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  Heliocoverpa moth Two adult Helicoverpa moths
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  Heliocoverpa larvae

  Helicoverpa armigera feeding on mungbean pod.

Grasshoppers

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  Winglass grasshopper Grasshopper adults grow up to 19 mm long and are usually brown.

Locusts

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  Spur on locust Close up of the spur on the spur-throated locust
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  Yellow-winged locust Yellow-winged adult locust
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  Hindwing locust

  Locust hindwings have no markings but may be faintly grenish-yellow

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  Spur-throated locust nymph Nymph spur-throated locust
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  Locust nymphs Locust nymphs are similar to adults but are smaller and lack fully developed wings.
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  Australian plague locust Adult Australian plague locust with a black spot on the tip of a clear wing.
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  Migratory locust Body marking of locust, hindwings may be faintly greenish-yellow. Body colour can vary.
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  Spur-throated locusts

  Spur-throated locust

Midges

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  Adult midge

  Sorghum midge at rest

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  Midges

  Sorghum midge on a sorghum plant

Moths

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  Yellow peach moth

  Damage to sorghum plant caused by Yellow peach moth caterpillar larvae's matted webbing and excreta.

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  Adult heliocoverpa moth

  Two adult Helicoverpa moths

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  Armyworm moth Common armyworm moth

Worms and caterpillars

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  Armyworm Northern armyworm larvae.
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  Armyworms Common armyworm larva
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  Armyworm moth Common armyworm moth
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  Cutworms Cutworm larvae curled up on the soil's surface
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  False wireworms Small false wireworm larva and adult displayed side by side for comparison.
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  Sorghum head caterpillar Damage to sorghum plant caused by caterpillar larvae's matted webbing and excreta.