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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

Asian fruit fly

Bactrocera invadens

Common name:

Asian fruit fly

Scientific name:

Bactrocera invadens

Alternative common names:

Asian fruit fly, tephritid fruit fly. 

Asian fruit fly is the world’s worst destructive pest of fruit and vegetables. Of major concern is the increase in trade and tourism as this increases the risk of infested fruit being carried across South African borders. It is an offence to import plants and plant material into South Africa without authorisation. Luggage is frequently scanned or sniffed by sniffer dogs to detect fruit and other plant products.

Additional Info

  • Where does this species come from?

    Asia.

    What is its invasive status in South Africa?

    NEMBA Category 1a.

    Where in South Africa is it a problem?

    Limpopo, Mpumalanga, North West, Gauteng and KwaZulu -Natal.

    How does it spread?

    Through the international movement of infested fruits.

    Why is it a problem?

    It infests commercial fruit crops.

    What does it look like?

    Description: The male is red-brown with a reddish-yellow face and an oval black spot in each antennal furrow. Its head has a vertical length of 1.62mm. The wing length is between 5.4-6.9mm. The abdomen is oval and terga free. The female is similar to the male except its oviscape is orange-brown, tending to fuscous apically, while dorsoventrally compressed and tapering posteriorly in the dorsal view. Habitat: It is likely to be found in any areas where suitable host fruits are available, including natural and man-made habitats such as orchards and gardens. Breeding: Mated females deposit eggs within the flesh of the fruit on a host plant. Larvae hatch in a few days and burrow into the interior of the fruit to feed on the pulp for 4-12 days. The larvae then drop from the fruit to pupate in the soil. Adults emerge 7-10 days later and feed for a period of time before mating. Many generations are possible annually.

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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