Pests

Scientific Name: Oncopora species

Common name: Sod webworm

Sod webworm larvae attack

Symptoms

The removal of leaves in irregular areas.

The presence of a fine silk web.

Excretion on leaves and / or within the thatch.

Hosts: Grasses

St Augustine (Buffalo), Couches and Bents

Larvae of Sod webworm within the thatch of the grass

Metamorphosis: Complete metamorphosis

Eggs: deposited on plants.

Larvae: 4cm long

The larvae feed on leaves and stems at night especially during warm humid weather. They live in horizontal tunnels near the surface (not deep).

Southern Hemisphere Dec - Apr

Northern Hemisphere Jun - Sept

Adult: grey brown moth, 2.5cm wing span

 

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