Insects & Mites

Two Spotted Mite

Two Spotted Mite (Tetranychus urticae) larve hatches from the egg has six legs, is pale yellowish-white, oval and minute. The larva moults to become an eight-legged nymph, which becomes the mature mite after two further moults. The adult female is about 0.5 mm long and the adult male is about 0.3 mm long. In the …

Sod Webworm

Sod Webworm (Herpetogramma licarsisalis) is a relatively thin caterpillar up to 25 mm long, with a pale green-brown body that is marked with characteristic dark spots along its length. When mature the adults become a slender-bodied moth with a wingspan of 2.5 cm. Their wings are grey with black spots and transverse dark, wavy lines. …

Redheaded Cockchafer

The adult beetle is approximately 13 to 15 mm long and about 8 mm wide and dark brownish-black in colour. The cockchafer grub, which causes lawn damage, is the larval stage of the Redheaded Cockchafer life cycle. The Redheaded Cockchafer, Adoryphorus couloni (Bermeister), is periodically a common pest, especially in areas of south-west and central …

Pruinose Scarab

When mature the adult beetle possesses a dark-brown to black body up to 16 mm long and has a unique set of antenna with large club-like ends. The underside of the body is covered in short grey hairs. The Pruinose Scarab (Sericesthis germinate) larva is a white to creamy-white soft-bodied grub, up to 20 mm …

Mole Cricket

The mole cricket (Gryllotalpa spp. & Scapteriscus spp.) is a brown long insect pest with a hard, shiny head, wings and body up to 50 mm long. They have large front legs with jagged claws for digging, and strong l hind legs that are used for removing loose soil while burrowing. Egg laying has been …

Mealybug

Found in warmer growing climates, mealybugs are soft-bodied, wingless insects that often appear as white cottony masses on the leaf. They feed by inserting long sucking mouthparts, called stylets, into the leaf drawing out sap out of the tissue. Damage is not often much. However, at higher numbers they can cause leaf yellowing and curling …

Lawn Armyworm

Lawn armyworm (Spodoptera Mauritia) is a damaging pest when in the larval life stage. The larvae are a soft-bodied caterpillar with a dark-coloured body up to 45 mm long. They possess unique white and yellow striped patterns along the length of the back making them relatively easy to identify. When feeding the larvae often appear …

Couch Grass Mite

Couch grass mites (Aceria cynodoniensis) are very small and difficult to see without visual assistance. They are almost transparent to whitish-yellow colour with some darker markings on the outer edge. They have two pairs of legs and an elongated body. Believed to be a native species, this mite now has widespread distribution across Australia. Couch …

Blackheaded Cockchafer

The Blackheaded Cockchafer (Aphodius tasmaniae) is a native insect of south-eastern Australia, including Tasmania. In Victoria, Blackheaded Cockchafers are mainly active in the Western District, the Southern Wimmera, the North-Central and Central districts, the North-East and Gippsland. They appear to be pests in areas where the annual rainfall exceeds about 480 mm. The Blackheaded Cockchafer …

Black Cutworm (Agrotis Spp.)

Black Cutworm is a caterpillar pest found mainly on bentgrass. The larval stage appears as a smooth-bodied, dark-coloured caterpillar with longitudinal lines and brown to black spots on back and sides. When mature, the adult Black Cutworm metamorphoses into a brown moth with a wing span up to 55 mm. The fore-wings are purple-brown with …

Billbug (La Plata Weevil)

When immature, Billbug (Spenophorus brunnipennis) is a legless, creamy-white ‘C’ shaped larvae with an orange head capsule and a body up to 10 mm long. When mature the larvae metamorphoses dark-brown to black weevil, with a distinctive ‘bill’ like snout and elbowed antennae. Young adults often have dark brown striping on the wing casings and …

Argentine Stem Weevil

The immature or larval stage of the Argentine Stem Weevil (Listronotus bonariensis) is a legless, creamy-white, active larvae up to 4 mm in length. When mature, the adult appears as a dark grey to black weevil with mottled grey body markings and a distinctive protruding snout, up to 3 mm in length. Adult weevils emerge …

Argentine Scarab

Argentine Scarab (Cyclocephala signaticollis) is very similar in size and shape to the better known African Black Beetle but is a lighter tan-coloured insect and has subtle striping on the wing carapaces. These insects live in the soil and favour turf. Its presence is often indicated by a spongier feel to the turf, which results …

African Black Beetle

Newly hatched African Black Beetle (Heteronychus arator) larvae are about 5 mm long with six legs, white bodies and pale brown heads. Fully grown larvae are 25 to 30 mm in length with a creamy-white body and light-brown head. The rear end has a dark grey tinge. When resting the grubs curl into a C-shape. …