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.
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Biological study of Aspidiotus destructor Signoret in different coconut varieties aspidiogus other host plants. Cultural Control During the early stages of an outbreak of A. Other Tropical Fruit Trees and Shrubs. Aphytis melanusa parasitic wasp, ovipositing on an armored scale. Formicidae and insecticidal control with bait, in Guyana. Females develop through two nymphal stages, while males have an additional non-feeding pre-pupal stage four immature stages.
CIE, ; Kondo, Revista Chilena de Entomologia, 7: This species is highly polyphagous and therefore can easily be re-introduced, even if it is successfully controlled on the primary aaspidiotus crop. It occasionally causes severe damage to guava in India Hayes, Checklist of the scale insects Coccoidea: In Biological Control by Natural Enemies.
In extreme cases, the leaves dry up, entire fronds drop off, the crown dies and the whole crop is lost.
Chemical Control Chemical control may be difficult owing to the height of the trees and may not be commercially viable in some cases owing to the cost. Crawler stages are generally the most susceptible to insecticides.
apsidiotus Phytosanitary Measures Dharmaraju and Laird describe the transport of A. The pale yellow exuviae are more or less central on the scale Williams and Watson, Description Top of page Jalaluddin and Mohanasundaram describe the morphology of different instars and the adult female and male of A.
An annotated check-list of the insects and allied terrestrial arthropods of Barbados. Jalaluddin SM; Mohanasundaram M, Among the aspidiotys important of these are the ladybird beetle Cryptognatha nodiceps Marshall and the parasitoid Encarsia citrina Crawford. Rhyzobius lophanthae effectively controlled A.
In Japan on tea plants, A. Generate aspiditous print friendly version containing only the sections you need. Neglected coconut plantations are particularly susceptible to damage by A. Jalaluddin M; Mohanasundaram M, Damage to coconut palms by Azteca sp.
They are laid under the scale around the body of the female. Description Back to Top Coconut scale resembles other armored scales in that the body is protected by a waxy cover.
coconut scale – Aspidiotus destructor
destrjctor International Institute of Biological Control. Various insecticides are registered for control of armored scales in ornamental and fruit crops. In China on Actinidia, the average number of eggs laid by one female was Zhou et al.
Insect pests of economic significance affecting major crops of the countries in Asia and the Pacific region.
Study on Temnaspidiotus destructor Signoret. Second-instar females become immobile and secrete a translucent wax scale cover. State of Hawaii Department of Agriculture.
It is present in nearly all countries where coconuts are grown.
Aspidiotus destructor – Bugwoodwiki
If you would like to, you can learn more about the cookies we use. Excessive use of plant fertilizers contributes to scale outbreaks. Jalaluddin and Mohanasundaram describe effective chemical treatment for A.
Sapidiotus Agricultural University Research Journal, 13 2: The bright yellow colour of affected coconut palms is clearly visible from a great distance.