In particular, sampling techniques for estimating the weevil population were developed and the effect of rat predation on the llmlature weevils was studied. Male inflorescences, population of elaeidobious kamerunicus and pollination in a young commercial oil palm plantation in a dry area of costa rica. The effects of elaeidobius kamerunicus faust on rat control programmes of oil palm estates in malaysia porim occasional paper wahid, mohd. The result from this study showed that there the result from this study showed that there is a low occurrence of male flower inflorescences that anthesis alydini by j. Of the various species of this genus studied in cameroon, e. In recent years there has been an explosion of interest in nematode biology, including the area of nematode behaviour. New plant species discovered by evangel university biology.
Enhance your curriculum with macmillan learning biology textbooks. Next drawing the weevils form a large family of beetles. Database design and scripting support provided by mike boone. Yeild of fresh fruit bunches was increased following the introduction. Nov 10, 2017 developmental biology is beautifully complex in part because theres no single gene for an eye, a brain, a butterflys wing or a turtles shell, said armin p. Developmental biology is beautifully complex in part because theres no single gene for an eye, a brain, a butterflys wing or a turtles shell, said armin p. Modelling the use of elaeidobius kamerunicus for pollination. Drusinae of austria germany, switzerland and the dinaric western balkan.
Causes infections in certain populations of humans, especially in compromised or debilitated individuals. Stromerius nidensis was described in 2007 and dated to the late eocene of egypt. Layman research centre for forestry and agriculture, layman agro, wisma william satya, jalan adisucipto km 5, pontianak, west kalimantan indonesia. Use of predators for the biological control of eriosoma lanigerum. Curculionidae main pollinators of oil palm in west africa 429 3. Weevil population density varies between localities and times of the year depending on certain extrinsic and intrinsic factors. And the way theyve evolved to live within us without. Eriococcus lagerstroemiae archives insects in the city.
Jun 09, 2016 new plant species discovered by evangel university biology professor paul k. Curculionidae and its impact on fruitset of oil palm elaeis guineensis in india. A small insect, only 57 mm long, it does not sting or bite. Instead, thousands of individual genes and dozens of developmental processes come. Variation in populations of the introduced pollinating weevil elaeidobius kamerunicus coleoptera. This introduction had increased the oil palm yield production. Biology of elaeidobius kamerunicus and elaeidobius plagiatus coleoptera. Hoplolaimus is very damaging to corn seedlings early in the growing season. Some aspects of the ecology of elaeidobius kamerunicus. If you would like to receive updates automatically, as they are posted, subscribe via rss feed or by entering your email address in the subscribe for insect news box below. Philosophical issues in biology and psychology the. Further examination of the geographic range of eriogonum corymbosum var. Hoplolaimus are rather stout, large nematodes, with stylet knobs projecting forward.
The biology of nematodes synthesizes knowledge of the biology of freeliving, plantparasitic, and animalparasitic nematodes. This list may not reflect recent changes learn more. Nematode worms are among the most ubiquitous organisms on earth. The oil palm pollinating weevil, elaeidobius kamerunicus in. I compared the ability of individuals of euglandina rosea to follow mucous trails of two groups of gastropods. Biology textbooks for instructors macmillan learning. In insecticide trials in southern rhodesia against the woolly apple aphid, eriosoma lanigerum hsm. Ent 425 general entomology resource library tutorials. Soil containing as few as 100 nematodes will cause symptoms in young plants. Mucous trail following is a primary means by which many predatory snails locate prey. Elaeidobius kamerunicus faust has been pursued muller et al. Effectiveness of the oil palm pollinating weevil, elaeidobius. Eriophyidae by alfred nalepa abebooks shop for books. Nematodes are among the most abundant animals on earth.
At least four species of lance nematodes affect corn. The biology of the eriophyidae with special reference to eriophyes tristriatus nalepa university of california publications in entomology unknown binding january 1, 1928 by ahmed salem hassan author. The occurance of oil palm weevil, elaeidobius kamerunicus. This technique achieved much the same percentage normal fruit set as hand pollination 6070%, but required only one third of the labour of hand pollination vera, 1996. Biology of elaeidobius kamerunicus and elaeidobius plagiatus. Comamonas species an aerobic, oxidasepositive, gramnegative bacillus that has been isolated from soil and rarely from clinical specimens. Dibamus alfredi taylor 1962 dibamus alfredi taylor 1963. Find the top 100 most popular items in amazon books best sellers. 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. Click on news updates below, or use the categories search to find the information you need. Pollination in the oil palms elaeis guineensis e oleifera and.
Learn more about nematodes, including the diseases they cause. News updates is the insects in the citys news feed. In all species, the front part of the head is extended to form a beak or rostrum with a pair of biting jaws at the end. Whether you are giving gifts to others or to yourself this holiday season, this list of the best popular science books of 2017 in biology evolution. Perri klass explains why she has long been fascinated by. The occurance of oil palm weevil, elaeidobius kamerunicus order. Further examination of the geographic range of eriogonum. The weevil, elaeidobius kamerunicus, was introduced into malaysia in 1981 to improve pollination and increase fruit set. 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 pollinating weevil elaeidobius kamerunensis was introduced. Whether you are giving gifts to others or to yourself, this list of the best popular science books of 2018 about evolution, genetics and natural. Moth photographers group at the mississippi entomological museum at the mississippi state university. Order your free sample or get in touch with your local rep today. The ensign wasp is one of the odder insects found occasionally in homes.
Eriophyidae phytoptidae classic reprint by nalepa, alfred and a great selection of related books, art and collectibles available now at. Elaeidobius kamerunicus faust, the pollinating weevil of oil palm, with emphasis on developing sampling techniques by chiu sheng bin, and in our opinion it is satisfactory in terms of scope, quality and presentation as partial fulfilment of the requirements for the degree of master of science. They occur as parasites in animals and plants or as freeliving forms in soil, fresh water, marine environments, and even such unusual places as vinegar. Coleoptera and the productivity of oil palm, elaeis guineensis family. Biology of elaeidobius kamerunicus and elaeidobius. They include freeliving forms as well as parasites of plants, insects, humans and other animals. Although commonly called feelers, the antennae are much more than just tactile receptors. Study biology online for free by downloading openstaxs college biology 2e book and using our accompanying online resources including a. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. In particular, sampling techniques for estimating the weevil population were developed and the effect of rat predation on the immature weevils was studied. A new species of phrynopus from peru amphibia, anura. Graduate thesis or dissertation distribution and taxonomy of the genus cybaeus in oregon arachnida.
The nematode caenorhabditis elegans monograph 17 in cell and developmental biology. Envenomation effects of a snakebite by the great lakes bushviper, atheris nitschei tornier 1902, from kivu, zaire in april 1981, with notes on its venom and other bites. Iu biologists create beetle with functional extra eye. Graduate thesis or dissertation distribution and taxonomy. Otho lacordaire, 1857 and hylochares latreille, 1834 are the genera belonging to tribe calyptocerini and hylocharini of subfamily melasinae coleoptera. Some aspects of the ecology of elaeidobius kamerunicus faust. The effects of elaeidobius kamerunicus faust on rat. Biological drawing of weevil larva, insect lifecycles by d g mackean. 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.
Books in the series focus on philosophical issues that arise from, and are relevant to, the practitioners in the behavioral, biological, and cognitive sciences. The latter has, however, until now, not been synthesized into a single comprehensive. Eimeriidae from the northern bobwhite, colinus virginianus l. Some bibliography, including the most complete and perfect catalogue of american publications, 17741900, ever offered for sale. Pp1 efficacy evaluation of plant protection products. The antennae are a pair of sense organs located near the front of an insects head capsule. The following 96 pages are in this category, out of 96 total. Within a year it had spread throughout the peninsula and was extremely abundant in all plantations. The predatory snail euglandina rosea successfully follows. Use of predators for the biological control of eriosoma. First records in the united states and south america of the african oil palm weevils. Twelve of the best books about biology of 2018 forbes. Otho consists of eight species including four palaearctic species. Eimeriidae was recovered from feces of the northern bobwhite, colinus virginianus l.
The biology of the eriophyidae with special reference to. The effects of elaeidobius kamerunicus faust on rat control programmes of oil palm estates in malaysia porim occasional paper. Evolution, ecology, and conservation nicely illustrates that lagomorphs represent a diverse group of mammals rich with tractable research problems and, more importantly, ripe for exposure to new researchers asking new questions. Currently, 24 drusinae species are reported from austria germany and switzerland. Perri klass explains why she has long been fascinated. They are usually covered with olfactory receptors that can detect odor molecules in the air the sense of smell. Other articles where stromerius nidensis is discussed. Free biology 2e textbook available for download openstax. Curculionidae, the pollinating weevil, is the most efficient insect pollinator of oil palm, elaeis guineensis jacq. The wild buckwheat eriogonum corymbosum is widely distributed throughout the southwestern united states, forming a complex of eight varieties. Goats and soda to many parasitic worms, we are the world. Perri klass explains why she has long been fascinated by parasitic worms. Send suggestions, or submit photographs to webmaster moth photographers group.
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