First reports of Bactrocera invadens in Mayotte and Madagascar
In the Indian Ocean islands, Bactrocera invadens (Diptera: Tephritidae – EPPO A1 List) was detected in 2005 in the Comoros. Since then, it spread to the islands of Mayotte and Madagascar.
- Mayotte
In 2007, the presence of B. invadens was confirmed in Mayotte.
The situation of Bactrocera invadens in Mayotte can be described as follows: Present, first found in 2007.
- Madagascar
The detection of B. invadens in Comoros and Mayotte triggered the implementation of a surveillance programme in Madagascar. A trapping network was deployed in the Northern and Northwestern part of the country. In 2010, the presence of B. invadens was recorded for the first time: 2 males were caught in Toamasina (Atsinanana market - Eastern part of the Island) and 1 near Ambohijafy (near Antananarivo, Analamanga region). In November 2011, numerous males were caught in traps placed in mango orchards near Mahajanga (Boeny region, Northwestern part of the Island). A wider trapping programme was implemented in different regions of Madagascar, and in 2012 the presence of B. invadens was confirmed in the following regions: Analamanga, Atsinanana, Boeny, Menabe, and Sava. It is now considered that B. invadens is established in Madagascar. Surveillance is continuing in Madagascar to determine the distribution of the pest and study the population fluctuations over the seasons. In addition, studies will be conducted to determine the host range of B. invadens and its damage to crops.
The situation of Bactrocera invadens in Madagascar can be described as follows: Present, first found in 2010 and then trapped in different regions (Analamanga, Atsinanana, Boeny, Menabe, Sava).
Sources
INTERNET
Direction de l’Alimentation, de l’Agriculture et de la Forêt de la Réunion. Actualité phytosanitaire (2011-02-24). http://daaf974.agriculture.gouv.fr/IMG/pdf/520_cle871991.pdf
Invasive Fruit Fly Pests in Africa. A diagnostic tool and information reference for the four Asian species of fruit fly (Diptera, Tephritidae) that have become accidentally established as pests in Africa, including the Indian Ocean Islands by Marc De Meyer, Salah Mohamed ; Ian M. White. http://www.africamuseum.be/fruitfly/AfroAsia.htm
Raoelijaona, JCY, Raoelijaona AR, Ratovonomenjanahary TZ, Brunet C, de Meyer M, Vayssières JF, Quilici S (2012) Situation of Bactrocera invadens (Diptera: Tephritidae) in Madagascar. Abstract of a paper presented at the TEAM 2nd International Meeting ‘Biological invasions of Tephritidae ecological and economic impacts’ (Kolymbari, Crete (GR), 2012-07-03/06) p 141. http://www.teamfly2012.com/public/conferences/1/schedConfs/1/abstract_book_2nd_team_meeting.pdf
Personal communication with Olivier Pinguet, NPPO of Réunion (2013-03).