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ACT Nasty Weeds and Pests

Overview

The following weed and pest species pose significant threat to ACT's plants, animals and fungi. They are capable of invading and degrading native ecosystems. They are yet to become well established either in ACT as a whole or in particular parts of the Territory. Early detection of new outbreaks will help us eradicate these plants or pests from the ACT or key habitats.

4 species

Gleditsia triacanthos (Honey Locust, Thorny Locust)

Gleditsia triacanthos Thorns and rouded leaflets on bipinnate leaf
Gleditsia triacanthos The dangerous thorn
Gleditsia triacanthos Pods and yellowing deciduos leaves
Gleditsia triacanthos
Gleditsia triacanthos
Gleditsia triacanthos

With sharp woody thorns the size of daggers and this is very nasty weed. Capable of forming dense thickets along waterways, it is a weedy nightmare that we definately don't want. A few plants have been removed from the LowerMolonglo Nature Reserve, while some not so bright landscape architects still... Continue reading

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Hyparrhenia hirta (Coolatai grass)

Hyparrhenia hirta Close up of Seed-head branches
Hyparrhenia hirta Close up of flower spikelets
Hyparrhenia hirta Dense infestation
Hyparrhenia hirta
Hyparrhenia hirta
Hyparrhenia hirta

General biosecurity duty NSW with additional restrictions in the South East regiin. https://www.environment.act.gov.au/__data/assets/pdf_file/0010/1144486/Coolatai-Grassv103.11.17.pdf http://weeds.dpi.nsw.gov.au/Weeds/Details/179 Coolatai grass was recently found along Brindabella road andwe need... Continue reading

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Pycnonotus jocosus (Red-whiskered Bulbul)

Pycnonotus jocosus
Pycnonotus jocosus

The red-whiskered bulbul (Pycnonotus jocosus) is not native to Australia and is considered both an environmental and agricultural pest, as it competes with local native birds for food and predates on small reptiles and insects. It was recently confirmed as being seen near the Lanyon Shopping Centre.... Continue reading

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Vespula germanica (European wasp)

Vespula germanica
Vespula germanica
Vespula germanica
Vespula germanica
Vespula germanica
Vespula germanica

European wasps are aggressive hunters of insects and spiders, which they feed to their larvae. The adults themselves eat pollen, nectar, other carbohydrates and secretions produced by their young. This wasp out-competes native species for food resources as well as virtually depleting an area of its ... Continue reading

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