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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The rate of frond production gradually speeds up after the palm is about 5 years old, and, by the time it is years old, the palm will be producing new fronds at the normal interval of one every weeks.
Japan Agricultural Research Quarterly 45 1: Introduced diseases and insect pests of agricultural crops and their treatment in Taiwan. Suitability of potential host plants in Japan for immature development of the coconut hispine beetle, Brontispa longissima Gestro Coleoptera: Food and Agricultural Organisation of the United Nations.
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The tail-shovel is longer than broad, apically deeply concave, the prongs bent inwards and bluntly-pointed. Oongissima Journal of Agriculture Sciences. Hispidae in Hainan, China. Sri Lanka grows coconut as a main plantation crop. The narrow feeding scars enlarge to form irregular, brown blotches as the frond opens.
Brontispa longissima – Wikipedia
The outbreaks continued until between and when the situation greatly improved due to the plants having older, fully developed, more resistant foliage. The shorter interval between the opening of successive fronds on mature palms, and their larger size, contribute greatly to their relative freedom from attack. A total area of 3. Plant Protection Division of the Myanmar Agriculture Service had organized a workshop to initially investigate where the infestation of Brontispa occurred in Myanmar.
Finally, after 1, 3, 5, and 7 days, the treatment effects were assessed by counting the number of surviving specimens. Last updated November idtools.
Sivagnaname N, Kalyanasundaram M. When year-old trees start to fruit, traces of previous infestation are still visible, but there is generally no further damage. New Guinea Agricultural Gazette, 7: South Pacific Commission Information Circular, The availability of the posters and leaflets will enable the implementation of Train-the-Trainers for Community Awareness. Chrysomelidae attacks an endemic palm in the Yaeyama Islands, Japan.
In addition, recommendations were made to remove and burn seedlings. Initial dry weight of leaves was estimated from the regression of fresh weight to dry weight of additional leaf disks. Host-Plant resistance Coconut varieties in the Solomon Islands vary considerably in their susceptibility to Brontispa attack and planting introduced, susceptible cultivars may have upset the previous balance in some areas.
It is also present in northern Australia Fenner, and Taiwan Shiau, The dorsal surface of the prothorax is more strongly sclerotized with a fine median suture and laterally rounded.
Brontispa is also a regular pest in Besuka, especially north of Banjuwangi near Giri where the climate is rather dry. Phagocytic encapsulation and melanization were occasionally noted but neither was the primary cause of death.
Alafua Agricultural Bulletin, 13 1: It feeds on the surface of brontispaa leaves in nurseries. Countries or multi-country features with distribution records for Brontispa longissima.
The Republic of Maldives consists of 1 coral islands, which form a chain km in length and km at its widest point, set in an area of 90 sq km of the Indian Ocean, extending from equator to latitude 8-degree north.
All botanical extracts used displayed bio—activity toward B. Outbreaks and management of coconut hispine beetle Brontispa longssima Thailand. Percentage mortality was recorded after 72 hours; insects that showed no response with head movements or exhibited peristaltic contraction longisaima touched with a fine brush were scored as dead.
Brontispa | Hispine Pests of Palms
It has become an increasingly serious pest of coconuts throughout various growing regions in the Pacific, especially over the last 3 decades,  including IndonesiaSolomon IslandsVietnamNauruCambodiaLaosThailandMaldivesMyanmarHainan Islandand Aru Islands brontidpa, and most recently, the Philippines.
Chrysomelidae on Satakentia liukiuensis. Brontis;a procedure must be conducted over a large area at one time to reduce re-infestation from neighbouring palms and must be repeated fairly often to be effective.
It directly affected the development of agriculture, forestry, and travel industry. To-date training has been conducted in five atolls. The Chrysomelidae of Tahiti Coleoptera.
When several references are cited, they may give conflicting information on the status.