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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

Amethystine python

Morelia amethystine

Common name:

Amethystine python

Scientific name:

Morelia amethystine

Alternative common names:

Amethystine, scrub python.

Amethistina python is a non-venomous snake, killing its prey by constriction after grabbing it in its jaws or with its body. It’s Australia’s largest snake, growing to lengths of 8.5 metres, but more commonly 3.5-7.5 metres.  

Additional Info

  • Where does this species come from?

    Australia (Queensland); Indonesia (Maluku, Papua); Papua New Guinea (Bismarck Archipelago).

    What is its invasive status in South Africa?

    NEMBA category 2

    Where in South Africa is it a problem?

    KwaZulu-Natal, Eastern Cape, Gauteng, and Limpopo Provinces.

    How does it spread?

    This species is utilized in the pet trade.

    Why is it a problem?

    They compete for food resources with other species. There is no record of Amethystine Pythons being a danger to human beings and will do everything possible to avoid human contact.

    What does it look like?

    Description: It’s a large snake, growing to lengths of 8.5 metres, but more commonly 3.5-7.5 metres. Although long, it is quite slender with an elongated head. The snakes are light to dark brown and can have a dark brown to black zig-zag pattern that sometimes looks like bands. Their underbellies are white or cream coloured. The snake has a prehensile tail (which means they can use their tail to grip things) and this helps them move through the trees. They often bask in the sun on tree branches. Habitat: They are found in open and closed forests from rainforest to woodland and open scrubland and prefer areas near water. They are good swimmers. Breeding: Mating occurs between June to September and 7-19 eggs are laid. These stick together in a clutch which the female then coils around, shivering her muscles to raise the temperature to keep the eggs warm. Incubation lasts 77-88 days and then the young break through their leathery eggs and after waiting for up to 48 hours, takes off.

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General News Updates

2019 National Symposium on Biological Invasio…

26-02-2019

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

22-01-2019

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

04-09-2018

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?

01-03-2018

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

28-02-2018

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

25-01-2018

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