Biology of the oil palm pollinating weevil, elaeidobius. In particular, sampling techniques for estimating the weevil population were developed and the effect of rat predation on the immature weevils was studied. Freed of competition with other species of elaeidobius, it breeds in all parts of the male inflorescence and is equally common in all rainfall zones. Prior to the introduction, pollination was by wind and thrips thrips hawaiiensis, which were less efficient. Elaeidobius kamerunicus is the main insect pollinator of oil palm and was first introduced to malaysia in the year of 1980s.
The objective of the research was to study biology of the elaeidobius kamerunicus faust coleoptera. Cucurlionidae to the inflorescence of different palm species was tested in a choice, non choice and a four arm olfactometer bioassay. Journal of research in biology is an international scientific journal committed to the development and spread of research in biological sciences. Pdf modelling the use of elaeidobius kamerunicus for pollination. Demografi kumbang penyerbuk kelapa sawit, elaeidobius.
The objective of the research was to study the biology of elaeidobius kamerunicus after 33 years introduction in north sumatera. Oil palm production depends on the pollination process of its flowers. Curculionidae telah diperkenalkan dalam industri kelapa sawit di malaysia untuk meningkatkan hasil pokok kelapa sawit. Curculionidae, with a synopsis of the family cylindrocorporidae and establishment of longibuccidae n. Yeild of fresh fruit bunches was increased following the introduction. Ayu andyrah fitraini, biology of pollinator elaeidobius kamerunicus faust coleoptera. The population of elaeidobius kamerunicus faust and its aggressiveness have been on a decline in indonesia in recent years. Biological sciences flowers usage insect pollination research oil palm plantations weevils. This type of heterogamy occurs for example in some aphids alternately, heterogamy or heterogamous is often used as a synonym of heterogametic, meaning the presence of two unlike chromosomes in a sex. Curculionidae after 33 years introduced in north sumatera, supervised by maryani cyccu tobing and yuswani pangestuningsih. Curculionidae main pollinators of oil palm in west africa 429 3. Protection and environmental biology, university of ibadan, ibadan, nigeria. Coleoptera and the productivity of oil palm, elaeis guineensis.
The effects of elaeidobius kamerunicus faust on rat control programmes of oil palm estates in malaysia porim occasional paper. This situation has affected the oil palm fruit set. Pengaruh serangga elaeidobius kamerunicus terhadap komponen tandan kelapa sawit elaeis guineensis jacq. Some aspects of the ecology of elaeidobius kamerunicus. The effects of elaeidobius kamerunicus faust on rat control programmes of oil palm estates in malaysia porim occasional paper wahid, mohd. The multimillion dollar weevil that pollinates oil palms. Serangga penyerbuk kelapas sawit, yang paling dikenal dan telah diintroduksi ke indonesia sejak tahun 1983 adalah elaeidobius kamerunicus faust. 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 weevil, elaeidobius kamerunicus, was introduced into malaysia in 1981 to improve pollination and increase fruit set. Oleh itu, tujuan kajian ini adalah untuk menghasilkan diet alternatif untuk e.
Demografi dan populasi kumbang elaeidobius kamerunicus. Flaar mesoamericas lists of suggested reading is a collection of documents about mesoamericas native species or specific gender that helps proffesors, students, and any interested person to easily search any document related to mesoamerican ethnobotany and ethnozoology. Elaeidobius kamerunicus was introduced from africa into the oil palm. The susceptibility of the oil palm pollinating weevil, elaeidobius kamerunicus against four strains of entomopathogenic fungus, beauveria bassiana.
The occurance of oil palm weevil, elaeidobius kamerunicus. 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. Pollination activity of elaeidobius kamerunicus coleoptera. Planter, kuala lumpur, 62, 8999 1986 modelling the use. It is native to west and southwest africa, specifically the area between angola and the gambia. 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. Bioecological perspective of elaeidobius kamerunicus iopri related to oil palm fruit set in indonesia the dynamics of oil palm fruit set in indonesia impact of insecticide application on pollinating weevil decline of the pollinating weevil aggressiveness biology of pollinating weevil after 30 years of introduction the role of e. Thrips hawaiiensis an overview sciencedirect topics. Biology of the oil palm pollinating weevil, elaeidobius kamerunicus faust save as. Curculionidae main pollinator of oil palm in west africa. Pdf on jan 1, 1986, peter kevan and others published modelling the use of elaeidobius kamerunicus for pollination of oil palm find, read and cite all the. Top american libraries canadian libraries universal library community texts project gutenberg biodiversity heritage library childrens library. Within a year of release on 2 estates in west malaysia, the weevil had spread throughout the peninsula and. Biology of elaeidobius kamerunicus and elaeidobius.
Biology of elaeidobius kamerunicus and elaeidobius plagiatus. Planter, kuala lumpur, 62, 8999 1986 modelling the use of elaeidobius kamerunicus for pollination of oil palm peter g. Curculionidae on the palm oil plants in the highlands areas. Variation in populations of the introduced pollinating weevil elaeidobius kamerunicus coleoptera. Curculionidae, the pollinating weevil, is the most efficient insect pollinator of oil palm, elaeis guineensis jacq. Survival rate and development of larvae elaeidobius. Nematoda is described from oil palm flowers elaeis guineensis jacquin and from the under surface of the elytra of the oil palm weevil, elaeidobius kamerunicus faust coleoptera. First records in the united states and south america of the african oil palm weevils. Within a year it had spread throughout the peninsula and was extremely abundant in all plantations. The effect of introduction of the elaeidobius kamerunicus faust on the bunch components of the oil palm during 19831988.
Elaeidobius kamerunicusis is entirely dependent on the male in. Curculionidae main pollinators of oil palm in west africa article february 2011 with 292 reads how we measure reads. Weevil population density varies between localities and times of the year depending on certain extrinsic and intrinsic factors. Elaeidobius kamerunicus, elaeis guineensis, thrips hawaiiensis, pollination, volatile compounds.
Insects visit flowers not only to forage for nectar or pollen but also to search for hosts or prey, and to look for suitable habitats for breeding sites. Agus eko prasetyo, tap rozziansha, hari priwiratama, sri. A brief account is given of the recent discovery of the significance of insect pollination of oil palms see raea 68, 1437, and the role of the commonwealth institute of biological control in the introduction of elaeidobius kamerunicus faust into malaysia from cameroon is described. Kevan department of environmental biology, university of guelph. Indonesia is considered as main producer of oil palm. We have observed larvae of elaeidobius kamerunicus j. Curculionidae main pollinators of oil palm in west africa. Accepted 12 december, 20 the response of the oil palm pollinating weevil elaeidobius kamerunicus faust coleoptera. 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. Coordinated and monitored the long term establishment of the pollinating weevil, elaeidobius kamerunicus which was imported from the cameroons, west africa in the 80s 2. Curculionidae on palm oil plants in highland areas, supervised of darma bakti and hasanuddin. Determined the biology and life cycle of the most common bagworm species, metisa plana. The oil palm pollinating weevil, elaeidobius kamerunicus.
The occurance of oil palm weevil, elaeidobius kamerunicus order. The effects of elaeidobius kamerunicus faust on rat. Walau bagaimanapun, terdapat pengurangan pendebungaan terhadap kelapa sawit oleh e. Curculionidae after 33 years was introduced in north sumatra medan. In reproductive biology, heterogamy is the alternation of differently organized generations, applied to the alternation between parthenogenetic and a sexual generation. Download citation biology of elaeidobius kamerunicus and elaeidobius plagiatus. Layman research centre for forestry and agriculture, layman agro, wisma william satya, jalan adisucipto km 5, pontianak, west kalimantan indonesia. Full text of british journal of entomology and natural history.
Observation on indonesian local oil palm elaeis guineensis plantation showed the coexistence between introduced. Associated with the successful introduction of elaeidobius kamerunicus faust, the oil palm pollinator in malaysia. Girsang j g 2017 biology of pollinator insect elaeidobius kamerunicus coleoptera. Curculionoidea on oil palm on hainan island english yue, jianjun yan, zhen bai, cheng chen, zetan lin, weifu jiao, fangzhen. Adult weevils consume oil palm pollen and lay eggs in anthesizing male in. Biology of elaeidobius kamerunicus and elaeidobius plagiatus coleoptera.
Kehadiran serangga penyerbuk menjadi kunci penting dalam pembentukan buah kelapa sawit, selain rasio bunga jantan, untuk itu populasi ideal di dalam kebun harus selalu dijaga. Curculionidae and its impact on fruitset of oil palm elaeis guineensis in india. Host location and ovipositional preference of elaeidobius. Full text of british journal of entomology and natural. However, during their first few years, young oil palms produce primarily female flowers, only producing sufficient male flowers for the establishment and effective activity of pollination insects from the age of 6570 months. In particular, sampling techniques for estimating the weevil population were developed and the effect of rat predation on the llmlature weevils was studied. Biologi serangga penyerbuk elaeidobius kamerunicus. Palms 2010, biology of the palm family abstracts books. These weevils can only eat, lay eggs, and breed in oil palm male flowers. Elaeidobius kamerunicus was first introduced to malaysia from cameroon as an oil palm pollinator in 1981. Their introduction in a plantation generally brings about an increase in fruit set and bunch weight. Effects of rainfall, number of male inflorescences and. Hatch and carry technique was developed to solve this problem. Currently, natural cross pollination is effected efficiently by the pollinating weevil elaidobius kamerunicus introduced from west africa in the 1980s.
Annotated content of articles, pdfs, and web sites on the palm oil weevil, elaeidobius kamerunicus. Subjects agricultural science, biodiversity, conservation biology. Journal of research in biology volume 3 issue 4 by journal. Genetic diversity of elaeidobius kamerunicus faust.
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