Hispid beetles Brontispa longissima are palmivorous insects (Creighton , Lever , in He et al. /06). The larvae and adults are. The coconut hispid beetle Brontispa longissima (Gestro) was accidentally introduced into Western Samoa in Consequently in several beneficial . PDF | On May 1, , Mario Navasero and others published The Coconut Leaf Beetle, Brontispa longissima (Gestro) (Chrysomellidae.
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Chemical Control Due to the variable regulations around de- registration of pesticides, we are for the moment not including any specific chemical control recommendations.
Hispine Pests of Palms
In North Sulawesi, the main damage caused by Brontispa occurs on young, year-old palms, which are not yet fruiting. Chabaud, Rhapis excels Thunb.
Infested palms are more susceptible to drought and fungal rot. Light attacks result in minor leaf injury, and a slight decrease in fruiting at the axils of the damaged leaves. The survey team visited all islands including resorts and villages. Though it was eradicated, some reports show its establishment in Hong Kong and suspected that B.
Brontispa longissima Gestro Summary: The major invertebrate pests and weeds of agriculture and plantation forestry in the southern and western Pacific.
They are protected by leaf debris and hatch in days. Monthly spraying of young coconuts with permethrin is also advocated in Western Samoa Hollingsworth et al.
Goot van der P, The biology of the Mariana coconut beetle, Brontispa mariana Spaeth, in Saipan and the introduction of parasites from Malaya and Java for its control. A steady decline in damage was recorded in Western Samoa from Brontispa is therefore a serious threat to the continued income generation and as such, the country’s food security.
Biological Control The history of biological control of this pest in Indonesia and the Pacific from to is reviewed lontissima Waterhouse and Norris InAdonaria Island, east of Flores, Indonesia, became a focus for Brontispa attacks, from which the pest brontisla to Flores in later years causing particular damage to longissimz in valleys under humid conditions. An additional, slightly larger eulophid larval parasite, with alternating black and white stripes on the abdomen, was discovered soon afterwards attacking Brontispa larvae.
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Brontispa longissima (coconut hispine beetle)
HTM [Accessed 12 Decemeber ]. This page was last edited on 13 Novemberat Each segment bearing spinules arranged as follows: Hispine beetles Chrysomelidae from New Guinea. Dorso-laterally bearing a longitudinal series of spinules, one on each of the first seven segments, situated a little posterior to and more inward than the corresponding spiracle on the seventh in a similar position. Application of a new strain of Metarhizium anisopliae fungi imperfecti as a means of biological control against the coconut leaf hispid Brontispa longissima Coleoptera: Coconut Cocos nucifera most favored host ; Royal palm Roystonea regia ; Alexandra palm Archontophoenix alexandrae ; Sago palm Metroxylon sagu ; California fan palm Washingtonia filifera ; Mexican fan palm Washingtonia robusta ; Bottle palm Hyophorbe lagenicaulis ; Chinese fan palm Livistonia chinensis ; Madagascar palm Chrysalidocarpus lutescens ; and Areca nut palm betel palm Areca catechu.
Brontispa longissima – Wikipedia
Glassman Wu et al. Antifeedant activities of terpenoids isolated from tropical Rutales.
Knowledge Bank home Change location. Chemical control is not practicable in some coconut farms due to the height of the plants. Brontispa gleadowi feeds on Cocos nucifera L. Informations on Brontispa longissima has been recorded for the following locations. Biological control of palm leaf beetle, Brontispa longissima Gestro Coleoptera: Problems of applied entomology in Papua New Guinea.
The use of check points, emergency legislation and brontjspa measures are all useful management tools.
Pronotum flattish, shiny, with several large impunctate areas, laterally distinctly concave, anterolateral angles of pronotum expanded, expanded portion broadly rounded, constricted behind, without a minute projection at inner angle.
It is an introduced pest in many islands in the Pacific Ocean and also some nations of the Pacific Rim including Taiwan.