ASPIDIOTUS DESTRUCTOR PDF

Aspidiotus destructor, the coconut scale, is a species of armored scale insect in the family Diaspididae. References[edit]. ^ “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.

Author: Kektilar Fenrishakar
Country: Armenia
Language: English (Spanish)
Genre: Travel
Published (Last): 8 June 2004
Pages: 226
PDF File Size: 9.54 Mb
ePub File Size: 20.46 Mb
ISBN: 376-8-48804-958-3
Downloads: 82769
Price: Free* [*Free Regsitration Required]
Uploader: Zulkizuru

The crawlers move over the leaf surface for hours to find a feeding site TaylorWaterhouse and Norris Indian Coconut Journal Cochin22 Phytosanitary Measures Dharmaraju and Laird describe the transport of A.

Aspidiotus destructor From Bugwoodwiki. Aspidiotus destructor Signoret in Biological Control Pacific prospects. Aspidiotus rigidus Reyne Hemiptera: Insects of Micronesia, Homoptera: Knowledge Bank home Change location.

Symptoms Top of page On leaves, A. Bulletin of Entomological Research, 67 1: Coconut scale is a common pest of coconut C. Jalaluddin and Mohanasundaram describe effective chemical treatment for A.

Aspidiotus destructor (coconut scale)

Coleopterists Bulletin, 32 3: In Japan on tea plants, A. Positive identification of coconut scales requires that adult females be slide mounted and the diagnostic characters observed at high magnification. Las cochinillas de Colombia Hemiptera: Anterior spiracle not to scale. Title Line artwork of adult female Caption A.

  COMO EDUCAR LA VOZ HABLADA Y CANTADA PDF

The distribution in this summary table is based on all the information available. Adult males do not feed and are short lived.

Rhyzobius lophanthae effectively controlled A. In Pakistan, Pakencyyrtus pakistanensis Ahmad Hymenoptera: In the northern parts of its range, it is found only under glass Danzig and Pellizzari, Damage to coconut palms by Azteca sp.

Bulletin of Aspldiotus Research, Crawlers may emerge while the female has already started laying the next batch of aspidiotuss personal observation.

However, in tropical conditions in Trinidad reproduction is continuous Goberdhan, Biology of coconut scale, Aspidiotus destructor Signoret Hemiptera: Distribution Maps of Plant Pests, June.

Aspidiotus destructor

This armored scale was described by Signoret in and appears to be native to South Asia but has spread around the world, mainly on infested coconut and banana UK CAB International The campaign against Aspidiotus destructor Sign. 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.

Upper side of mango leaf infested with coconut scale, Aspidiotus destructor Signoret, showing chlorosis. Adult female coconut scale, Aspidiotus destructor Signoret, showing eggs under cover. Study of some Coccids from S. A review of biology and ecology of diaspine scales in Japan Homoptera: Natural enemies of the transparent scale and control of the leaf bud beetle attacking coconut palm in Taiwan.

  DE QUANTITATE ANIMAE PDF

The parasitoids of A. The yellow adult female under the scale is 0. Females develop through two nymphal stages, while males have an additional non-feeding pre-pupal stage four immature stages.

Neglected coconut plantations are particularly susceptible to damage by A. CIE, ; Danzig and Pellizzari, Philippine Entomologist, 2 6: CIE, ; Foldi, ; Claps et al.

Revista Chilena de Entomologia, 7: New contribution to the study of scale insects from Brazilian Amazonia Homoptera: After a heavy attack by A. Journal of the Agricultural Society of Trinidad and Tobago, Economic Importance Back to Top Coconut scale is considered a major threat to coconut palms throughout the world. Aphelinidae are the most common parasitoid species controlling the coconut scale populations in Destrucfor and the Philippines DeBachWatson et al.

Aspidiotus destructor – Bugwoodwiki

Content is available for non-profit, educational use under our Copyright Agreement. Sadakathulla has developed a technique for the mass production of Chilocorus nigritus. Adult female coconut scale, Aspidiotus destructor Signoret, removed from cover.

Sadakathulla has developed a technique for the mass production of Chilocorus nigritus. The male pre-pupal and pupal stages are spent under the scale produced by the second instar stage. Transport and the spread of crop pests in tropical Polynesia.