Aspidiotus nerii aspdneoverview eppo global database. Incidence and management of coconut scale, aspidiotus. General information about aspidiotus destructor aspdde eppo global database. Free trade in fresh plant material by modern rapid transport meth. Irradiation as a phytosanitary treatment for aspidiotus destructor homoptera. In molecular phylogenies based on 28s and co i genes, pteroptrix parvipennis. Aspidiotus destructor typically occurs in densely massed colonies on the leaves of its hosts. Here, we examined the genetic diversity, structure and demographic history of a. Natural enemies play vital role in the control of scale insects. Aspidiotus destructor, the coconut scale, is a species of armored scale insect in the family diaspididae references.
Files are available under licenses specified on their description page. It includes several agricultural and horticultural pests. Nov 28, 2015 this page was last edited on 15 september 2017, at 01. Media in category aspidiotus destructorthe following 2 files are in this category, out of 2 total.
Aspidiotus destructor is a wellknown pest of several tropical crops, mainly coconuts and bananas, and is present in most tropical countries. Coconut scale is present in nearly all coconut growing countries of the world. Oct 15, 2019 aspidiotus destructor, the coconut scale, is a species of armored scale insect in the family diaspididae. Daud4 and muhammad mamoonurrashid1 1department of entomology, faculty of agriculture, gomal university, dera ismail khan, pakistan. Biology of coconut scale, aspidiotus destructor signoret hemiptera. Kirthisinghe, officerincharge, crop protection division. The insects cause extensive damages to mangrove leaves. Developments in the control of coconut scale, aspidiotus. Beardsley university of hawaii honolulu, hawaii thecoconut scale, aspidiotus destructor signoret, is distributed through out muchofthe tropics see commonwealth institute ofentomology pest distribution map218,june 1966. Beardsley university of hawaii honolulu, hawaii thecoconut scale, aspidiotus. Pagka karon wala pay siak nga nalista ubos niini niya. The pest sucks cell sap from the underside of the leaves and petioles of mango. Pdf irradiation as a phytosanitary treatment for aspidiotus. The coconut scale is a small insect that feeds on the sap of the coco nut leaves.
Ang aspidiotus destructor sakop sa kahenera nga aspidiotus sa kabanay nga diaspididae. Diaspididae, and its parasitoids were surveyed on 4 mango cultivars in the southern district of khyber. Pdf biology of coconut scale, aspidiotus destructor signoret. All structured data from the file and property namespaces is available under the creative commons cc0 license. Encyrtidae posed a serious threat to the coconut industry in the philippines. Coconut scale aspidiotus destructor signoret agricultural pests of the pacific adap 20005, reissued january 2000 isbn 1931435081 donald nafus, ph. Aspidiotus destructor, the coconut scale, is a species of armored scale insect in the family diaspididae. Coconut scale, aspidiotus destructor signoret hemiptera. Encyrtidae using a system of ordinary differential equations based on a holling. Damage to coconut palms caused by aspidiotus rigidus in the philippines photographs by gerry carner. Biology of coconut scale, aspidiotus destructor signoret. Biology of the scale insect aspidiotus destructor signoret hemiptera. Coconut scale, aspidiotus destructor signoret, has an extremely broad host range, feeding on over 60 different families of plants. In molecular phylogenies based on 28s and co i genes, pteroptrix.
Top of page aspidiotus excisus looks very similar to a. Coconut scale aspidiotus destructor signoret insecta. Fruits selected for this purpose had their stalks intact and were fully mature, fresh, free from insect attack or injury and of convenient size to permit accommodation in insect breeding cages 45x3 x 30 cm fig. Aspidiotus definition is a genus of armored scales including the san jose scale and several others that are very destructive to orchard trees. Aspidiotus destructor aspddeoverview eppo global database. Newly hatched nymphs also called crawlers are free moving and recognized. This document is eeny622, one of a series of the department of entomology and nematology, ufifas extension. Dispididae csi is recorded in tropical and subtropical regions worldwide and is present in nearly all.
This armored scale was described by signoret in 1869 and appears to be native to south asia but has spread around the world, mainly on. Ang aspidiotus destructor sakop sa kahenera nga aspidiotus sa kabanay nga. Diaspididae article pdf available in journal of economic entomology 994. D slidemounted, stained adult female aspidiotus destructor showing membranous prosoma and. Coconut scale insect aspidiotus destructor signoret hemiptera. Eeny622 coconut scale aspidiotus destructor signoret insecta.
Coconut scale aspidiotus destructor signoret edis university of. Aspidiotus perniciosus small east asian insect naturalized in the united states that damages fruit trees san jose scale armored scale insect. Aphelinidae, parasite of aspidiotus nerii bouche hom. Aspidiotus wikispecies wikispecies, free species directory. Biological control of coconut scale aspidiotus destructor signoret diaspididae contactsgo to all. The free living stage lasts from 2 to 48 hours, but usually does not exceed 12 hours taylor, 1935. In this article, we modeled the interaction between a. Pteroptrix parvipennis was recorded in 47% of second instar a. In the united states, coconut scale has been recorded in connecticut, florida, georgia, hawaii, pennsylvania, and puerto rico nakahara 1982. The coconut scale aspidiotus destructor and its control by f. Diaspididae, is a pest in over 60 plant families and is found globally in tropical and subtropical areas davidson and miller 1990, ben. The freeliving crawler is possibly the most vulnerable stage in the developmental. Coconut diseases and pests, description, uses, propagation. Pdf insect foliovory in mangroves semantic scholar.
The insect has since spread throughout much of the united. Diaspididae was studied on mango cultivar desi at mean temperature of 30c and relative humidity rh 64 % in the laboratory as well as on four mango cultivars in a greenhouse at 25c and 60 % rh in khyber pakhtunkhwa province, pakistan. Aspidiotus destructor signoret, an armored scale pest new to the hawaiian islands. As a result of several scale insects feeding on coconut leaves, the leaves turn yellow, without any. Pdf biology of the scale insect aspidiotus destructor signoret hemiptera. Adults and nymphs of the coconut scale, aspidiotus destructor. Aspidiotus destructor signoret, an armored scale pest new to the hawaiian islands1 johnw. Media in category aspidiotus destructor the following 2 files are in this. Aspidiotus definition of aspidiotus by merriamwebster. Coconut scale, aspidiotus destructor signoret diaspididae the coconut scale, also called the transparent. C aspidiotus rigidus on garcinia mangostana, showing variation in scale cover colour. Beardsley, in handbook of biological control, 1999. Among four mango varieties investigated, langra is most affected by a.
Despite the fact that massive outbreaks of the coconut scale insect pest, aspidiotus rigidus reyne hemiptera. Biocontrol cases the coconut scale posed a serious problem to the copra industry in fiji just about the time that the coconut moth, levuana irridescens b. Coconut scale, aspidiotus destructor signoret diaspididae. Aspidiotus perniciosus synonyms, aspidiotus perniciosus pronunciation, aspidiotus perniciosus translation, english dictionary definition of aspidiotus perniciosus. Note that the egg skins are around the margin in contrast to those of the coconut false scale, which are in a crescent on one side of the cover.
Populations of coconut scale, aspidiotus destructor signoret hemiptera. Aspidiotus destructor signoret, an armored scale pest new. Coconut scale, aspidiotus destructor signoret diaspididae the coconut scale, also called the transparent scale because of the semitransparent scale covering, is a relatively polyphagous diaspidid that is distributed widely in tropical and subtropical regions. Jan 12, 2020 aspidiotus destructor, the coconut scale, is a species of armored scale insect in the family diaspididae. Newly hatched crawlers are freemoving and can be recognized by the presence of. Even if scales are killed, it takes several days for the body to dry, so removal of the armor is required to assure inspectors that the plant material is insect free. Diaspididae, a neglected endemic species from macaronesia, with comments on the genus cryptophyllaspis, and further notes on the scale insect fauna of canary islands, spain. The outbreak of the coconut scale insect aspidiotus rigidus reyne hemiptera. Coconut scale aspidiotus destructor signoret university of hawaii. C t q e irradiation as a phytosanitary treatment for. An aspidiotus destructor in nahilalakip ha genus nga aspidiotus, ngan familia nga diaspididae. Infestation by aspidiotus destructor, for example, nor. Diaspididae are inflicting significant economic losses to the.
The damages are visibly seen as holes, galls, necrotic spots, and incursions occurring along leaf margins. Pdf biology of coconut scale, aspidiotus destructor. D slidemounted, stained adult female aspidiotus destructor showing membranous prosoma and prepygidial segments. Diaspididae, is a pest in over 60 plant families and is found globally in tropical and subtropical areas davidson and miller 1990, bendov 2014. Pdf discovery of false coconut scale aspidiotus rigidus. An aspidiotus destructor in nahilalakip ha genus nga aspidiotus, ngan familia. Banana scale, aspidiotus destructor banana scales have a wide distribution in all banana growing regions and rarely cause major economic damage as they are kept under check by natural enemies. Insects free fulltext unraveling the genetic structure. Banana scales have a wide distribution in all banana growing regions and rarely cause major economic damage as they are kept under check by natural.
Una ning gihulagway ni victor antoine signoret ni adtong 1869. Our present knowledge of the reproductive processes in the diaspinm is a very limited one. D slidemounted, stained adult female aspidiotus destructor. Byfranzschrader bryn mawr college, bryn mawr, penna. Aspidiotus destructor signoret, an armored scale pest new to. The coconut palm, cocos nucifera, is an erect palm in the family arecaceae which is grown its fruits, used primarily for the extraction of coconut oil for use in cooking. General information about aspidiotus nerii aspdne eppo global database. Under laboratory and greenhouse conditions salahuddin,1 habib ur rahman,2 inamullah khan,3 m. In fiji it was a serious menace to the copra industry, and attempts to control it by biological means were made in 1920, when parasites were introduced from tahiti.
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