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12.963  Articles
1 of 1.297 pages  |  10  records  |  more records»
European sweet chestnut (Castanea sativa Mill.) is one of the most important wood species due to its environmental and economic role in many agro-forestry systems. Chestnut gall wasp (Dryocosmus kuriphilus Yasumatsu, 1951) is currently the most dangerous ... see more

Chinese banyan, Ficus microcarpa L. f. (Rosales: Moraceae), is a popular landscape tree in many tropical regions of the world. In Hawaii, these trees are severely infested by 2 host-specific insect species in the family Agaonidae (Hymenoptera: Chalcidoide... see more

A new species of Callirhytis Förster 1869 (Hymenoptera: Cynipidae: Cynipini) is described from Panama: Callirhytis cameroni sp. nov. Callirhytis cameroni is the first species of genus Callirhytis ‘sensu lato’ recorded from the Neotropical region. The new ... see more

The Eucalyptus gall wasp Ophelimus maskelli (Ashmead) (Hymenoptera: Eulophidae) and its parasitoid, Closterocerus chamaeleon (Girault) (Hymenoptera: Eulophidae) are reported for the first time from Argentina. O. maskelli is an invasive spec... see more

AbstractBlue gum chalcid, Leptocybe invasa Fisher & La Salle (Hymenoptera: Eulophidae), causes galling damage to Eucalyptus species (Myrtaceae) in various regions of the world, but has been controlled effectively by its primary parasitoid, Selitrichodes n... see more

Galls of Aditrochus coihuensis (Hymenoptera: Pteromalidae) were collected from their host tree, the southern beech Nothofagus dombeyi, near San Carlos de Bariloche, Argentina, during the spring of 2007. Galls were carefully examined and classified as succ... see more

Aim of study: The globally invasive gall wasp, Dryocosmus kuriphilus Yasumatsu, 1951 (Cynipidae: Cynipini), reached Spain seven years ago and is already regarded as an important pest of chestnuts (Castanea spp.) in this country as well as worldwide. In th... see more

Aim of study: To analyze the susceptibility of Eucalyptus and hybrids species to Leptocybe invasa through field assays.Area of study: The north of the Argentine province of Misiones (Colonia Delicia). Material and methods: A total of 11 Eucalyptus species... see more

Megastigmus zebrinus Grissell (Hymenoptera: Torymidae) is reported for the first time from Argentina, associated with galls of Eucalyptus camaldulensis Dehnhardt (Myrtaceae) induced by the gall-forming wasp, Leptocybe invasa Fisher & LaSall... see more

1 of 1.297 pages  |  10  records  |  more records»