Month: December 2017
Pest: Broad mite – Polyphagotarsonemus latus
Importance: Common and major nursery pest
Description: Egg: Transparent, less than 0.1 mm long, oval-shaped, surface characteristically covered in white bumps (stipules). Found mostly near veins and in depressions in leaves. Immatures: Whitish in colour with a distinct white stripe along the dorsal surface.Adult: Very small, barely visible to naked eye. Oval-shaped, mostly translucent but with a yellow-green tinge. Males are slimmer and are often carried by the female with the rear legs.
Damage: Adults are found mostly on underside of young apical leaves and in flowers. Leaves become bronzed, russetted and distorted with down-curling margins, stems can be flattened. Fruit may be misshapen and russetted. More