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German wasp | Vespula germanica

German wasp

Vespula germanica

Coral bush | Ardisia crenata

Coral bush

Ardisia crenata

Purple loosestrife | Lythrum salicaria

Purple loosestrife

Lythrum salicaria

Pom pom weed | Campuloclinium macrocephalum

Pom pom weed

Campuloclinium macrocephalum

Canarybird bush | Crotalaria agatiflora

Canarybird bush

Crotalaria agatiflora

Peanut butter cassia | Senna didymobotrya

Peanut butter cassia

Senna didymobotrya

Rubber vine | Cryptostegia grandiflora

Rubber vine

Cryptostegia grandiflora

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Environmental Programmes

In order to tackle our country’s socio-economic challenges, the government adopted the Outcomes based approach to improve government performance and providing focus on service delivery. find out more

Invasive Animals

Danube crayfish

Astacus leptodactylus

Typical crayfish body form with telson (tail) and pincers. The body colouration is usually pale yellow to pale green in colour and the sides of the thorax are very rough. This crayfish averages 15cm in length, but may reach 30cm long. This crayfish is invasive in lakes in Europe and may negatively affect South African wetland systems.

Derby eland

Taurotragus derbianus

The Derby eland is the largest species of antelope in the world. Males tend to be larger than females, weighing between 400 and 1000 kg. It is an herbivore, eating grasses, foliage and branches.

Domestic cat

Felis catus

The domestic cat is a small, usually furry, domesticated and carnivorous mammal. The cat can suffer from a wide range of health problems, including infectious diseases, parasites, injuries and chronic disease. It is a common carrier of parasites such as worms and fleas.

Estuarine tube-worm

Ficopomatus enigmaticus

Estuarine tube–worm is a species of serpulid tubeworm. It builds and lives in white, calcareous tubes that are about 2mm in diameter and 2cm long. It is an invasive species that dominates and alters habitats, reduces water quality, depletes resources and causes biofouling. 

Eucalyptus leaf blotch pathogen

Teratosphaeria cryptica

The eucalyptus leaf blotch pathogen disease is responsible for the most serious and common leaf spot disease. They produce leaf lesions, they reduce the effective photosynthetic area, resulting in eventually in premature defoliation and reduced growth rates. 

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General News Updates

2019 National Symposium on Biological Invasio…


This is your invitation to South Africa's 2019 National Symposium on Biological Invasions. The convention is hosted by the Centre for Invasion Biology (CIB), University of Stellenbosch, and the Biolo... Read more

2019 Invasive Species Training


During the past five years (2014-2018), ISSA invasive species trainers have trained 4 000 in the identification of invasive species and laws pertaining to invasive species across South Africa.  ... Read more

Alien Grass Working Group


Who are we? The South African National Alien Grass Working Group was jointly initiated by the South African Biodiversity Institute (SANBI) and the Centre for Excellence in Invasion Biology (C·I·B) in... Read more

Permits for planting indigenous Cynodon?


On 16 February, 2018, South Africa's Department of Environmental Affairs issued amendments to the regulations and lists relating to the National List of Invasive Species.  Updates to the draft&n... Read more

Invasive species training 2018 dates released


Interested in invasive species?  How much do you know about NEMBA invasive species compliance for landowners and organs of state? The South African Green Industries Council (SAGIC) have released... Read more

Communications post for Africa advertised


The Nature Conservancy has advertised a brand new post:  Communications Manager, Africa Region. Knowledge of invasive species and water would be an asset in this post. See details below:    Job Titl... Read more