Telenomus remus, a Candidate Parasitoid for the Biological Control of Spodoptera frugiperda in Africa, is already Present on the Continent

Insects

Alan Buddie¹  Andrew Polaszek²  Marc Kenis³  Giovanni Cafà⁴  Ivan Rwomushana⁴  Lisa Offord⁴  Malick Niango Ba⁵  Johnnie Van den Berg⁶  Hannalene du Plessis⁶  Tadele Tefera⁷  Georg Goergen⁸  Ibrahim Baoua⁹  Koffi Eric Kwadjo^1,10 

[1] Ecology (icipe), P.O. Box 30772-00100 Addis Ababa, Ethiopia;CABI Limuru Road, Muthaiga, PO Box 633-00621 Nairobi, Kenya;CABI, 1 Rue des Grillons, 2800 Delémont, Switzerland;CABI, Bakeham Lane, Egham TW20 9TY, UK;ICRISAT, BP 12404 Niamey, Niger;IPM program, Unit for Environmental Sciences and Management, North-West University, 2520 Potchefstroom, South Africa;;International Center of Insect Physiology &International Institute of Tropical Agriculture (IITA), 08 BP 0932 Tri Postal, Cotonou, Benin;University Dan Dicko Dankoulodo de Maradi, BP 465 Maradi, Niger;University Nangui Abrogoua, 01 BP 3594 Abidjan 01, Côte d’Ivoire;

关键词: biological control;    egg parasitism;    fall armyworm;    invasive species;    maize;    Spodoptera frugiperda;    Telenomus remus;   

DOI  :  10.3390/insects10040092

来源: DOAJ

【 摘 要 】

The fall armyworm, Spodoptera frugiperda, a moth originating from tropical and subtropical America, has recently become a serious pest of cereals in sub-Saharan Africa. Biological control offers an economically and environmentally safer alternative to synthetic insecticides that are being used for the management of this pest. Consequently, various biological control options are being considered, including the introduction of Telenomus remus, the main egg parasitoid of S. frugiperda in the Americas, where it is already used in augmentative biological control programmes. During surveys in South, West, and East Africa, parasitized egg masses of S. frugiperda were collected, and the emerged parasitoids were identified through morphological observations and molecular analyses as T. remus. The presence of T. remus in Africa in at least five countries provides a great opportunity to develop augmentative biological control methods and register the parasitoid against S. frugiperda. Surveys should be carried out throughout Africa to assess the present distribution of T. remus on the continent, and the parasitoid could be re-distributed in the regions where it is absent, following national and international regulations. Classical biological control should focus on the importation of larval parasitoids from the Americas.

【 授权许可】

Unknown