Blueberry Rust
What to look for:
Initial small yellow, chlorotic leaf spots on upper surface of young leaves
Lesions turn rust/brown coloured and enlarge as the infection progresses
Yellow-orange powdery pustules develop on the underside of leaves
Similar pustules may also appear on blueberry fruit
Premature leaf drop and defoliation
Find detailed information on the Blueberry Rust webpage.
Brown Marmorated Stink Bug
Brown marmorated stink bug (BMSB) is an exotic pest that causes major damage to agricultural crops, nursery stock and ornamental plants. BMSB is a high priority agricultural pest, it is not established in Australia but is occasionally intercepted at the international border, trapping and surveillance programs are in place.
Find detailed information on the Brown Mamorated Stink Bug webpage.
Common White Snail
What to look for:
Contamination of pasture and fodder
Stock reject heavily infected pasture and hay
Clover and seedlings of cereal, canola, and pulses eaten and diminished
European and English Wasps
What to look for:
Can cause damage to fruit - particularly soft fruit and graps
Agressive behaviour and interfer with outdoor eating
Capable of stinging repeatedly
Find detailed information on the European and English wasps webpage.
European House Borer
What to look for:
Causes damage to pine, fir, and spruce materials and products
Larvae bore into timber affecting its structure
Signs are difficult to detect as larvae remains under the surface
Fall armyworm
What to look for:
Eggs under surface of leaves, clustered in masses 100-200, covered with "felt-like" layer of scales.
Larvae between 6-36mm in length, green or brown with black lines
Moths 32-40mm across wings, brown or grey forewing, white hindwing
Fruit fly
Fruit flies cause enormous damage to fruit and some vegetable crops around the world. Tasmania is free of fruit fly and it is important for our horticultural industries that we keep fruit fly out of the state.
What to look for:
Fruit fly lay their eggs in fruit
Larvae feed on fruit from the inside
Rot develops quickly in infected fruit
Rapid loss of product
Find detailed information on the Fruit fly webpage.
Giant Willow Aphid and Concrete Honey
What to look for:
Builds up dense colonies on willows and occasionally poplers
Produces a sticky honeydew from feeding which attracts wasps and bees in large numbers
May affect honey production
Find detailed information on the Giant Willow Aphid and Concrete Honey webpage.
Myrtle Rust
What to look for:
- Bright yellow rust pustules develop on leaves during warmer months
- Older infections turn grey and leaves wither
- Purple and brown discolouration on both sides of leaves
Find detailed information on the myrtle rust webpage.
Phytophthora
What to look for:
Death or disease of susceptible species
Red and yellow discolouration of foliage
Resistant plants in and around the infestation remain healthy
Find detailed information on the Phytophthora webpage.
Potato Tuber Moth
Potato Tuber Moth (Phthorimaea operculella (Zeller) (Lepidoptera: Gelechiidae) Is an adventive pest of potato Solanum tuberosum in Tasmania where it causes most damage during field storage of tubers rather than by mining crop foliage or tunnelling in tubers during artificial storage above ground.
Ramularia Leaf Spot
What to look for:
Small, brown, rectangular spots with yellow margins on leaves
Loss of leaf growth in plants
Poor crops
Find detailed information on the Ramularia Leaf Spot webpage.
Russian Wheat Aphid
What to look for:
Rolled leaves
Discolouration of leaves including chlorotic spots and leaf streaking
Stunted crop
Affects cereals, grasses, and wheat
Find detailed information on the Russian Wheat Aphid webpage.
Serpentine Leafminer
What to look for:
Tomato Potato Psyllid
What to look for:
Find detailed information on the Tomato Potato Psyllid webpage.
Wheat Streak Mosaic Virus
What to look for:
Light green streaks on leaves which become yellow marks resembling mosaic
Reduced crop production
Affects cereals, grasses wheat