Biology of sitophilus zeamais pdf

Antifeedant and growth inhibitory effects of pinene on the storedproduct insects, tribolium castaneum herbst and sitophilus zeamais motsch. For this purpose, a total of 30 adults were placed in vials that contained 50 g or either rice or maize. It usually leaves the grain completely hollow when it. Pdf development and life history of sitophilus zeamais. Sitophilus zeamais motschulsky is one of the most destructive and causes extensive damage to maize and other. There is empirical evidence of such associations, but their physiological basis and mitigation is little investigated. Pdf biology of rice weevil, sitophilus oryzae linnaeus. Bioactivities of essential oil from elletaria cardamomum l. We showed that wpgrp is induced after a bacterial challenge and that wpgrp gene. First described by linnaeus in 1798 as curculio oryza. One possibility to protect the maize from storage pests is by developing genotypes that resistant to maize weevil sitophilus zeamais motsch. Pdf biology, morphology and molecular characterization. Factsheet sitophilus zeamais motschulsky, 1855 maize weevil.

Factsheet sitophilus zeamais motschulsky, 1855 maize. Sitophilus zeamais motschulsky is considered as one of the most destructive foodstuff pests. Apr 18, 2011 the maize weevil, sitophilus zeamais, is the most important pest affecting stored grain in brazil and its control relies heavily on the use of insecticides. Sope andwolbachia distribution insitophilus populations. The maize weevil sitophilus zeamais motschulsky, 1855 coleoptera. Topical application was employed for contact toxicity studies, and filter paper impregnation was used for testing fumigant action. Unusual behavior of oviposition and development of. Some species are familiar as pests of stored food products.

Biology, morphology and molecular characterization of. Adult rice weevils are able to fly, and can live for up to two years. The intensive use of compounds such as the pyrethroids has led to the emergence of resistance, and previous studies have suggested that resistance to both pyrethroids and 1,1,1. Recently, an integrative approach involving biology, morphology. African journal of agricultural research entomocidal. In laboratory tests to determine the toxicity of deltamethrin, fluvalinate, chlorpyrifosmethyl, etrimfos and malathion against sitophilus zeamais and s. Characterization of the expression and functions of two. Cell physiology in the weevil sitophilus oryzae is coordinated by three integrated genomes.

The impact of grain quantity on the biology of sitophilus zeamais motschulsky coleoptera. Proceedings of the 6th annual workshop on grain postharvest technology maintaining good grain quality, puncak pass, bogor, indonesia, 36 may 1983, 147156. The present study focuses on the variations in biology, morphology and mitochondrial cytochrome oxidase i mtcoi sequences of the two indian populations of the rice weevil sitophilus oryzae l. The habits and life cycle are similar to the rice weevil figure 3. The objective of this research was to identify the functions of two obps in sitophilus zeamais. Department of biology, umaru musa yaradua university, katsina, nigeria. Curculionidae, is a primary field to store pest adedire 2001 that starts to infest the ripening maize crop in the field when the grain moisture content is still 5055%.

Cost and mitigation of insecticide resistance in the maize. Jun 11, 2012 the maize weevil, sitophilus zeamais motschulsky coleoptera. Both species were therefore placed in the genus sitophilus with the specific names. Development and life history of sitophilus zeamais coleoptera. Survey of insecticide resistance in mexican populations of. Curculionidae on sorghum using some plant powders m. Frequent use of fumigants for managing storedproduct insects has led to the development of resistance in insects. Free fulltext pdf articles from hundreds of disciplines, all in one place pleiotropic impact of endosymbiont load and cooccurrence in the maize weevil sitophilus zeamais pdf paperity toggle navigation. Specific behavior of sitophilus zeamais in the stocks of rice.

Curculionidae, authorfikremariam abebe and tadele tefera and stephen mugo and yoseph. Maize weevil, sitophilus zeamais motschulsky, is one of the most destructive pests of stored. Jamilton pereira santos 1, paulo evaristo oliveira guimaraes, jose magid. Atlas and scale parameters on different developmental stages of s. Serangga tersebut terutama pada stadium larva aktif memakan bijibijian dan menimbulkan kerugian yang besar. It was reported that adults attack fruits to feeding, but there was no information of oviposition and larval development on these hosts. The adult female weevil bores a hole in a grain, nut, or seed, and deposits an egg, usually one egg per individual grain. Insects free fulltext characterization of the expression.

Average minimum life cycle 38 days at 30c and 70% relative humidity rh. Pyrethroid resistance in sitophilus zeamais is associated. Susceptibility of maize genotypes to maize weevil sitophilus. Pdf the impact of grain quantity on the biology of. Laboratory tests were carried out in order to examine competition among three congeneric species on rice and maize. Bioactivities of essential oil from elletaria cardamomum. International journal of chemtech research coden usa. Development and life history of sitophilus zeamais. Fortyfour compounds, whose concentrations were more than 0. The maize weevil is slightly larger than the rice weevil and has more distinct colored spots on the forewings. Curculionidae in stored sorghum grains mohammed suleiman1,4, costancia p.

It can be found in numerous tropical areas around the world, and in the united states, and is a major pest of maize. Management of maize weevil sitophilus zeamais using. National institutes of health the european molecular biology laboratory state secretariat for education, research and innovation seri. Curculionidae is a worldwide pest on stored products, as maize, wheat and rice grains. Competition of three species of sitophilus on rice and maize. The phylogenetic analyses revealed that among the four species of the genus sitophilus, s. Parad tablet was found moderately effective in preventing the adult emergence in in sitophilus zeamais. Odorantbinding proteins obps are important in insect chemical communication. Enhanced activity of carbohydrate and lipidmetabolizing enzymes in insecticideresistant populations of the maize weevil, sitophilus zeamais volume 98 issue 4 r. Investigation was carried out on developmental biology ofs. Chemical composition and biological activity of star anise. The maize weevil, sitophilus zeamais, is the most important pest affecting stored grain in brazil and its control relies heavily on the use of insecticides. The larva develops while feeding on the interior of the grain, and then pupates.

Pyrethroid resistance in this species was initially observed in five brazilian states by 1995, but. Pheromones and semiochemicals of sitophilus zeamais. Therefore an examination of weevil population genetics and phylogeny would. The following is a summary of the major insects that can be found in stored grains and legumes and a description of the biology, behavior, and ecology of each. Knowing the developmental states of stored grain insects, especially for the immature stages hidden in cereal kernel, such as sitophilus zeamais, could be in favor of monitoring early and controlling effectively. The maize weevil sitophilus zeamais, known in the united states as the greater rice weevil, is a species of beetle in the family curculionidae. Use of botanicals to suppress the development of maize.

The sizes of sitophilus zeamais in different life stage. Theimpactofgrainquantityonthebiologyof sitophilus zeamais. Evaluation of some botanicals oils for the management of maize weevil, sitophilus zeamais motsch. The taxonomy of the sitophilus group has been confused until recently, so that the value of much of the earlier literature on these insects has been reduced, because of the difficulty of knowing the species to which it refers. Distribution worldwide, but primarily temperate zone, northern distribution. It infests rice, wheat, corn, lotus seed, rhizoma gastrodiae, and chinese herbs, causing heavy losses of both quantity and quality of stored products worldwide. Entomology, 2department of plant pathology, university of agricultural sciences, gkvk, bangalore 560 065 karnataka, india. Sitophilus zeamais motschulsky coleoptera, curculionidae is one of the major pests of stored products. Maize weevil sitophilus zeamais motschulsky lopezverge et al.

Timedomain nuclear magnetic resonance nmr is used for the characterization of wheat infested with sitophilus zeamais. The larvae of the two species are not easy to separate. Twentythree sitophilus strains, 10 individuals of each, belonging to three species s. Nmr parameters t21, t22, p21, p22, and a2122 were achieved by biexponential analysis combined with a discrete method. The sizes of sitophilus zeamais in different life stage sciencedirect.

The taxonomic status and lifehistory of the species are described, together with. Due to their efficiency, low toxicity for mammalians and low environmental impact, plantderived essential oils eos are promising tools for pest control. Pdf biology, morphology and molecular characterization of. Stored grain insect pests granary weevil sitophilus granarius l. Evaluation of some botanicals oils for the management of. Sitophilus zeamais, and sitophilus granarius, distributed worldwide. The research was aimed to evaluate the susceptibility of several maize genotypes including local variety to the maize weevil. Curculionidae on cereal crops jamesadebayoojo 1 andadebayoamosomoloye 2 department of crop production, kwara state university, malete, kwara state, nigeria department of crop protection and environmental biology, university of ibadan, ibadan, nigeria. The animals were divided into two treatment groups insectinfested diet and an untreated diet as the control. Pdf studies on the biology of sitophilus species researchgate. Interspecific competition and grainhosts selection of.

In particular, the oes extracted from lamiaceae are considered among the most bioactive in terms of repellent andor insecticidal effect. Fluorescence competitive binding assays were used to measure the ability of the obps. Investigation was carried out on developmental biology of s. Background the cereal weevil, sitophilus zeamais is one of the most destructive pests of stored cereals worldwide. Use of botanicals to suppress the development of maize weevil. Unusual behavior of oviposition and development of sitophilus. Serangga hama gudang sitophilus zeamais motsch kelas a is. Pleiotropic impact of endosymbiont load and cooccurrence in. Molecular markers for weevil sitophilus zeamais population genetics huansheng cao department of biological sciences, fordham university, bronx, new york 10458 summary sitophilus weevils are cosmopolitan pests of stored grain that harbor bacterial endosymbionts. Curculionidae, which occur on cereals as storage grain pests. Sitophilus is a genus of weevils in the tribe litosomini. Biology of rice weevil, sitophilus oryzae linnaeus on stored sorghum article pdf available january 2015 with 1,373 reads how we measure reads.

The responses of prostephanus truncatus coleoptera. Insecticidal activity of melaleuca alternifolia essential oil. Sitophilus oryzae linnaeus coleoptera curculionidae and s. Impact of age on the biological activities of sitophilus. Entomocidal activity of ethanolic leaf extracts of four plant species namely euphorbia balsamifera aiton, lawsonia inermis l. Susceptibility of paddy and milled rice to attack by sitophilus oryzae linnaeus and sitophilus zeamais motschulsky.

Department of crop science, usmanu danfodiyo university, sokoto, nigeria. The maize weevil, sitophilus zeamais motschulsky coleoptera. However, in this treatment sex ratio was observed to be a favourable one 1. The maize weevil sitophilus zeamais can be separated from the granary weevil s. The botanicals were applied to 20 g of sorghum grains at the rate of 25, 50 and 100 mgml1, while no. Curculionidae to pheromone and synthetic maize volatiles as. The female uses strong mandibles to chew a hole into a grain kernel after which she deposits a single egg within the hole, sealing it with secretions from her ovipositor. Pdf resistance of maize varieties to the maize weevil. Curculionidae, is one of the most destructive pests of stored cereals. Females lay 26 eggs per day and up to 300 over their lifetime. Knowledge of the life history and biology is important to the development of an integrated pest management program. Research article development and life history of sitophilus.

Enhanced activity of carbohydrate and lipidmetabolizing. Kiritani and others published studies on the biology of sitophilus species find, read and cite all the research you need on researchgate. Rearing the maize weevil, sitophilus zeamais, on an. Specific behavior of sitophilus zeamais in the stocks of rice and maize in rural farmers at bouafle region, cote divoire johnson felicia, oualingoran sanwhouly mauricette, tano yao, fouabi kouahou laboratory of zoology and animal biology, felix houphouetboigny university, abidjan, bp 582 abidjan 22, cote divoire. Abstract contact and fumigant toxicities and antifeedant activity of the essential oil of cardamom, elletaria cardamomum, to two storedproduct insects, sitophilus zeamais and tribolium castaneum, were investigated. Timedomain nmr applied to sitophilus zeamais motschulsky. Insects free fulltext andean flora as a source of new. The constituents were determined by gas chromatographymass spectrometry, and the repellency and contact toxicity of the extracts against sitophilus zeamais motschulsky coleoptera. Maize grains 200 g were put in 2 kg capacity kilner jar to which 10 pairs of s. This information is useful to personnel involved on agricultural research and development for developing location specific integrated pest management approach of this pest. However, in south brazil, these weevils have been found attacking fruits in field conditions.