Eretmocerus cocois Delvare sp. n. (Hymenoptera, Chalcidoidea) is described and illustrated. The adults emerge from fourth instar larvae of Aleurotrachelus atratus Hempel (Hemiptera, Aleyrodidae) which presently heavily infests the coconut plantations in Comoros Islands. It is compared with E. pallidus Dozier a diagnosis of which is given, together with new illustrations and with two other Eretmocerus also reared from Aleurotrachelus nymphs. A lectotype is selected for E. pallidus.

Auteurs :

GÉRARD DELVARE (1, 7), GWENAELLE GENSON (2), NICOLAS BOROWIEC (3), JEAN ÉTIENNE (4), ANLILIOCHOUROUTU ABDOUL KARIMÉ (5) & LAURENCE BEAUDOIN-OLLIVIER (6)

1. CIRAD, UMR CBGP, campus international de Baillarguet, 34 398 Montpellier Cedex 5, France. E-mail: gerard.delvare@cirad.fr
2. INRA, UMR CBGP, campus international de Baillarguet, 34 398 Montpellier Cedex 5, France
3. CIRAD, UMR PVBeMT, 7 chemin de l'IRAT, 97410 Saint Pierre, La Reunion, France
4. INRA, Centre Antilles-Guyane, Domaine Duclos, 97170 Petit-Bourg, Guadeloupe, France
5. DAF PV DAF rue mariaze B.P 103 97600 Mamoudzou, Mayotte
6. CIRAD, UPR bioagresseurs des cultures pérennes, campus international de Baillarguet, 34 398 Montpellier Cedex 5, France