At the end of August 2014, a visitor to the French National Plant Protection service (NPPO) in Cayenne (French Guiana) brought in mango twigs covered with a significant amount of sooty mould. From these branches, the NPPO officers took large numbers of mealybugs from the underside of the leaves (Fig. 1). The sample was sent to the Plant Health Laboratory (LSV) in Montpellier where it was identified as Rastrococcus invadens Williams. This is the first record of this species in French Guiana and in the Americas.
An updated checklist of the scale insects recorded from French Guiana (French overseas department) is given. This list has been collated from data from 6 different sources: ScaleNet, the EPPO Global Database, the Catalogue des insectes ravageurs des cultures en Guyane Française (Remillet, 1988), MNHN in Paris, LSV in Montpellier and a survey carried out by Direction de l'Alimentation, de l'Agriculture et de la Forêt de Guyane, Service de l'Alimentation (DAAF‐SALIM). Previously, 29 species were recorded from French Guiana by ScaleNet, but the updated list presented in this paper includes a total of 64 species. The 35 species added belong to 7 families: 1 Cerococcidae, 9 Coccidae, 14 Diaspididae, 1 Eriococcidae, 1 Monophlebidae, 2 Ortheziidae and 7 Pseudococcidae.
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