Variation in populations of the introduced pollinating weevil elaeidobius kamerunicus coleoptera. Elaeidobius kamerunicus faust is an oil palm pollinator insect that lives on the male inflorescence and visits female inflorescence to pollinate due to attracted by its volatile compound. Curculionidae sebagai serangga polinator pada tanaman kelapa sawit the demographic of elaeidobius. First introduction of elaeidobius kamerunicus faust had been done from north sumatra to seram island on 23 september 20. The effects of elaeidobius kamerunicus faust on rat. Return to article details pollination activity of elaeidobius kamerunicus coleoptera. Survival rate and development of larvae elaeidobius. Thirdstage juveniles of elaeolenchus parthenonema n. Demografi kumbang elaeidobius kamerunicus faust coleoptera.
Biology of elaeidobius kamerunicus and elaeidobius plagiatus coleoptera. Elaeidobius kamerunicus is the main insect pollinator of oil palm and was first introduced to malaysia in the year of 1980s. Curculionoidea on oil palm on hainan island download download pdf. The effect of introduction of the elaeidobius kamerunicus faust on the bunch components of the oil palm during 19831988. The purpose of this study was to identify the population density of oil palm pollinator weevil ek using the concept of. Morphometric comparison of the oil palm pollinator elaeidobius. Information about elaeidobius kamerunicus diagnosis, including distribution and treatment advice. Curculionidae, the pollinating weevil, is the most efficient insect pollinator of oil palm, elaeis. The effects of elaeidobius kamerunicus faust on rat control programmes of oil palm estates in malaysia porim occasional paper wahid, mohd. Pdf previously, pollination mechanism in oils palm was mainly dependent on wind and pollinator insects thrips hawaiiensis thysanoptera. Some aspects of the ecology of elaeidobius kamerunicus. The population of elaeidobius kamerunicus faust and its aggressiveness have been on a decline in indonesia in recent years. The pdf file you selected should load here if your web browser has a pdf. Allanblackia floribunda pdf allanblackia floribunda is an evergreen tree growing to 25 m 82ft by 20 m 65ft at a fast rate.
Some aspects of the ecology of the pollinating weevil of oil palm, elaeidobius kamerunicus faust an exotic insect to malaysia imported from cameroon, west africa, three years ago were studied in 1983 and 1984. Alternatively, you can download the pdf file directly to your computer, from where it can be opened using a pdf reader. When the stigmas are receptive, the female flower emits short pulses of a similar but sharper and more. The potential natural predators of elaeidobius kamerunicus faust, 1878 coleoptera. The stem is cylindrical, up to 75 cm in diameter and covered with petiole bases in young palms, smooth in older trees 1012 years old. Our website uses cookies to ensure that we give you the best possible online experience. Adult weevils of the african oil palm weevil elaeidobius kamerunicus are very hostspecific to the oil palm, elaeis guineensis. In field studies at the bukit sentang estate in sumatra, indonesia, the yield of fresh fruit bunches increased in the first year after the release of e. The specificity of the pollinator and lack of predators led to a great success for the palm oil industry, saving tens of million pounds on hand pollination hussein et al. Cucurlionidae to the inflorescence of different palm species was. Host location and ovipositional preference of elaeidobius.
Insecticide efficacy studies are usually determined from the target insect pest data without regard to the effect of that treatment on the nontarget insects such as pollinators. Theoil palm elaeis guineensis male inflorescence is the only one of their breeding site. Pdf demografi kumbang elaeidobius kamerunicus faust. The application of insecticides, especially those directly to the male inflorescence, can affect the activity and breeding of pollinator insects. Elaeidobius kamerunicus is the most efficient insect pollinator for oil palm because it carries more pollen grains than any other species basri et al. It was introduced into malaysia in early 1982 to overcome the inconsistencies of oil. The oil palm pollinating weevil elaeidobius kamerunicus faust coleoptera. Effects of rainfall, number of male inflorescences and.
Pdf the population of elaeidobius kamerunicus faust and its. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs alternatively, you can download the pdf file directly to your computer, from where it. View of pollination activity of elaeidobius kamerunicus coleoptera. Elaeidobius kamerunicus is a wellknown insect pollinator of oil palm. Elaeidobius species are attracted to male flowers only during anthesis when a strong aniseedlike scent is emitted. The oil palm tree in malaysia is elaeis guineensis african oil palm and the main pollinating agent is elaeidobius kamerunicus oil palm weevil. Study on the effect of pesticide application against elaeidobius kamerunicus population was carried out in lab scale. Find close elaeidobius kamerunicus weevil pollination weevil stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection. Management of insect pests and a pollinator, elaeidobius kamerunicus, of oil palm in malaysia idris abd ghani, university kebangsaan malaysia, malaysia. Elaeidobius kamerunicus is the main pollinating insect in oil palm plantations in indonesia which influences the oil palm fruit set. This page was last edited on 16 january 2020, at 04. Curculionidae, the pollinating weevil, is the most efficient insect pollinator of oil palm, elaeis guineensis jacq.
Dampak aplikasi insektisida permetrin terhadap serangga. Your use of this pdf, the bioone complete website, and all posted and. Malaysia has the most developed oil palm industry in the world and this affects the overall agriculture development of the country. The pollinating weevil, elaedobius kamerunicus ek has been known to be the most efficient insect pollinator of oil palm, and has successfully improved the oil palm pollination and increased the yield. It is hardy to zone uk the flowers are pollinated by.
Curculionidae main pollinators of oil palm in west africa 429 3. Curculionidae and its impact on fruitset of oil palm elaeis guineensis in india. To download the pdf, click the download link above. The occurance of oil palm weevil, elaeidobius kamerunicus. The response of the oil palm pollinating weevil elaeidobius kamerunicus faust coleoptera. Impact of permethrininsecticide application on insect pest thosea sp. Elaeidobius kamerunicus, elaeis guineensis, host preference, oviposition, olfactometer. Biology of elaeidobius kamerunicus and elaeidobius. Pollination activity of elaeidobius kamerunicus coleoptera. The characteristics of oil palm flowers in relation to weevil activities leading to pollination and good fruit set is described. The number of fruit sets of oil palm relates to the population of e. This study was conducted in bangka semong oil palm plantation, kota samarahan, sarawak to verify the occurrence of e.
October 2015 journal agriculture science 41 journal agriculture science effectiveness of the oil palm pollinating weevil, elaeidobius kamerunicus, in malaysia manual pollination of oil palm was made obsolete in the early 1980s when the oil palm. The study was divided into two parts which are the direct effect against. In oil palm flowers, it has been documented that not all flowervisiting insects are pollinators, but some insects are recognized as predators, parasitoids or saprophages, which may affect the abundance and persistence of the weevil pollinating oil palm, elaeidobius kamerunicus. This situation has affected the oil palm fruit set. Arecaceae a project is submitted to partial fulfillment of the requirement for the degree of bachelor of science with honours animal resource science and management department of zoology. The occurance of oil palm weevil, elaeidobius kamerunicus order. The oil palm pollinating weevil, elaeidobius kamerunicus. Elaeidobius kamerunicus, of oil palm in malaysia idris abd ghani, university kebangsaan malaysia, malaysia 11. The development of oil palm plantations in new areas requires introduction of these insects, moreover the new areas are located on different islands.
Close elaeidobius kamerunicus weevil pollination weevil. The effects of elaeidobius kamerunicus faust on rat control programmes of oil palm estates in malaysia porim occasional paper. Coleoptera and the productivity of oil palm, elaeis guineensis family. Introduction herbivorehost plant interactions can have an important influence on the dynamics and management of insect populations. Its introduction has greatly reduced the need for assisted pollination.
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