Insect Identification

Insect Identification

African Black Beetle

Scientific Name: Heteronychus arato
General Description: The adult beetle is mostly seen as a shiny black, stout bodied beetle approximately 10-15 mm long. Newly hatched larvae are about 5 mm long with six legs, white bodies and pale brown heads. Fully grown larvae are 25-30 mm in length with a creamy-white body and light brown head.

Seasons of Activity: Spring and Summer

Key Distinguishing Feature: The Larvae does the most damage to turf. Once the beetle lays the egg it crawls to the surface and dies shortly after.

Key Products for Control: Acelepryn Insecticide 15mL/100m2 in 6-10Ltrs water then water in Acelepryn GR Insecticide 1.5Kg/100m2 then water in

Lawn Grub, Lawn Army Worm

Scientific Name: Spodoptera mauriti
General Description: Fully grown larvae grow up to 45mm long and 7mm wide, with an inflated brown/green sausage-like appearance with a body width much greater than that of the head capsule. They possess three pairs of walking legs on the thorax and five pairs of fleshy 'pro-legs' on the abdomen. If disturbed, they curl into a tight spiral.

Seasons of Activity: Spring/Summer

Key Distinguishing Feature: Army Worm spend their days in the thatch of turf grass below the leaf and come up at night to feed.

Key Products for Control: Acelepryn Insecticide 15mL/100m2 in 6-10Ltrs water then water in Acelepryn GR Insecticide 1.5Kg/100m2 then water in

Couch Mite

Scientific Name: Aceria cynodoniensis
General Description: Couch mite are very small and difficult to see without the use of a microscope. They are more easily identified by the damage they cause to turf grass.

Seasons of Activity Couch mites are active throughout summer, particularly during hot and dry conditions.

Key Distinguishing Feature: Turf affected by couch mite become severely stunted often taking on the appearance of a witches broom

Key Products for Control: Malice Duo - 14mL/100m2

Mealybug

Scientific Name: Pseudococcidae
General Description: Males are small aphid-like winged insects. Female adults are oval-shaped and covered by a white waxy coating giving them a mealy appearance, and are around 3 mm long. They form colonies on shoots, stems, and leaves, developing into white masses.

Seasons of Activity Mealybugs prefer mild warm conditions with temperatures around 25°C and high humidity. Populations can build rapidly if conditions become favourable as conditions cool into autumn.

Key Distinguishing Feature: Mealybugs excrete a sticky substance called honey dew, providing a perfect medium for sooty mould growth.

Key Products for Control: Recruit - 25mL/100m2 Rumbler - 12-44mL/100m22