Aspidiotus destructor, the coconut scale, is a species of armored scale insect in the family Diaspididae. References. ^ “Aspidiotus destructor Species. Coconut scale, Aspidiotus destructor Signoret, has an extremely broad host range, feeding on over 60 different families of plants. As a pest of. On leaves, A. destructor causes yellow spots to develop beneath the insects, due to the toxicity of saliva injected in to plant tissues while feeding. Entire leaves.
|Published (Last):||11 May 2013|
|PDF File Size:||12.50 Mb|
|ePub File Size:||6.56 Mb|
|Price:||Free* [*Free Regsitration Required]|
Adult female coconut scale, Aspidiotus destructor Signoret, showing eggs under cover. International Institute of Biological Control. Chemical control may be necessary in the dry season.
Aphelinidae are the most common parasitoid species controlling the coconut scale populations in Fiji and the Philippines DeBachWatson et al. Evans and Prior list fungal pathogens of A. Positive identification of coconut scales requires that adult females be slide mounted and the diagnostic characters observed at high magnification. Crawlers may emerge while the female has already started laying the next batch of eggs personal observation.
Hosts Back to Top Ben-Dov reported several hundred hosts from over 60 plant families. Homoptera of the Mascarene Islands – an annotated catalogue.
As a pest of coconut Cocos nucifera L. In the Philippines, on coconut, the egg stage lasted for 8 days in both sexes Tabibullah and Gabriel, Insects of Micronesia, 6: Coccinellid ladybird beetle predators of coconut scale include Chilocorus spp. The wspidiotus adult female under the scale is 0. Tropical Pest Management, 37 4: National Agriculture Education Association, pp.
coconut scale – Aspidiotus destructor
aspidjotus In extreme cases, the leaves dry out, entire fronds drop off and the crown dies. Generate a print friendly version containing only the sections you need. This species is highly polyphagous and therefore can easily be re-introduced, even if it is successfully controlled on the primary host crop.
New contribution to the study of scale insects from Brazilian Amazonia Homoptera: Adlard and Son, Dorking, UK.
Bulletin of Entomological Research, Control of the coconut scale Aspidiotus destructor Sign. CIE, ; Danzig and Pellizzari, New research on the coconut scale Aspidiotus destructor Sign. On oil palm, A. CIE, ; Bennett and Alam, Discussion View source History. Underside of mango leaf infested with coconut scale, Aspidiotus destructor Aspidiotjs. Symptoms Top of page On leaves, A.
Mariau destrudtor Julia describe the effective chemical control of A. Part 1, the armored scales Diaspididae. Parasites of local significance include Comperiella, Aphytis and Encarsia.
Aphelinidae and Pakencyyrtus pakistanensis Ahmad Hymenoptera: Williams and Watson list synonyms and discuss nomenclature. Formicidae and insecticidal control with bait, in Guyana. The first-instar larvae are about 1mm long, yellowish-brown, oval and translucent.
Coconut scale, Aspidiotus destructor Signoret Hemiptera: Pruning and training of fruit trees and proper disposal of infested leaves, branches and twigs will help control scale insects on nursery plants and trees.
Coconut scale, Aspidiotus destructor Signoret, male pupa removed from cover. Biology of coconut scale, Aspidiotus destructor Signoret Hemiptera: CIE, ; Foldi, Economic Importance Back to Top Coconut scale is considered a major threat to coconut palms throughout the world.
List of Coccoidea Homoptera of China. Some Philippine armored scale insects of the desturctor Aspidiotini Diaspididae, Homoptera.