Plantes-hôtes et prédateurs de la Cochenille farineuse du Manguier Rastrococcus invadens Williams, 1986, nouvellement introduite à Dakar, Sénégal (Hemiptera, Pseudococcidae)

2007 ◽  
Vol 112 (1) ◽  
pp. 121-125
Author(s):  
Sun heat Han ◽  
Abdoulaye-B. Ndiaye ◽  
J.L. Hemptinne
Keyword(s):  
Rastrococcus Invadens ◽  
Plantes Hôtes ◽  
Cochenille Farineuse

Rastrococcus invadens Williams (Hemiptera: Pseudococcidae), a serious exotic pest of fruit trees and other plants in West Africa

1988 ◽  
Vol 78 (4) ◽  
pp. 695-702 ◽  
Author(s):  
D. Agounké ◽  
U. Agricola ◽  
H. A. Bokonon-Ganta
Keyword(s):  
Natural Enemies ◽  
Plant Material ◽  
Fruit Trees ◽  
West African ◽  
South East Asia ◽  
African Countries ◽  
Horticultural Crops ◽  
Rastrococcus Invadens ◽  
Exotic Pest ◽  
Indigenous Natural Enemies

AbstractRastrococcus invadens Williams has been the most important polyphagous pest of horticultural crops since 1982 in some West African countries. It originated in South-East Asia and was probably introduced on infested plant material. The pest has been reported up to 150 km north of the coast of Benin and 500 km north from the coast in Togo. Although the species is polyphagous, mango, citrus, breadfruit, banana, frangipani (Plumeria alba) and species of Ficus are among the most attacked hosts. Several indigenous natural enemies were identified, but their ability to regulate the populations of R. invadens is very low. The most important among the predators were the coccinellids Chilocorus nigrita (F.), Exochomus promtus Weise and E. troberti Mulsant and the lycaenids Spalgis spp. In Togo, an indigenous parasitoid, Anagyrus sp. ?nr aurantifrons Compere, has become adapted to the pest.

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