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economic importance of sitophilus oryzae

2013 2013 Other Insect rearing. 2009. Citation: November 4-6, 2013. Research on molecular identification of stored-product psocids is in progress and this has already resulted in 2 peer-reviewed publications and 1 submitted to a peer-reviewed journal for publication. Effects of diet on population growth of the psocids Lepinotus reticulatus and Liposcelis entomophila. Journal Articles The lab will be used for phosphine toxicity and other stored product research studies.Publications, National Institute of Food and Agriculture, 211 - Insects, Mites, and Other Arthropods Affecting Plants. Opit, G., and T. Phillips. Many species are of tropical origin that have arrived and become established in heated premises since the advent of international trade. Tebbets, and S. Walse. UV-light traps are widely employed to monitor and control flies in bakeries, restaurants, and food processing plants. Type: Validation of the 16S rDNA and COI DNA Barcoding Technique for Rapid Molecular Identification of Stored Product Psocids (Insecta: Psocodea: Liposcelididae). This work resulted in 1 presentation at a professional meeting; this presentation won second prize. 2013 The 9th Conference of the IOBC/WPRS (OILB/SROP) Working Group on Integrated Protection of Stored Products. Journal of Stored Products Research 43: 480–8. Two other species in this genus, S. oryzae and S. zeamais, are also common grain storage pests. 2013. Citation: Year Published: 2013 Annual Meeting of the Southwestern Branch of the ESA. Status: Possible relationship between egg morphology of stored-product insect eggs and fumigant efficacy. D. student and 1 M.S. Two moth pests of stored products: (a) brown house moth H. pseudospretella and (b) almond moth Ephestia cautella. I received invitations for 8 oral presentations which I delivered. Research to compare the effectiveness of three traps for their ability to effectively monitor T. castaneum populations in facilities containing grain and grain products was conducted. Chemical composition and insecticidal potential of essential oils from Egyptian plants against Sitophilus oryzae (L.) (Coleoptera: Curculionidae) and Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae). Other Results have been disseminated to different communities of interest through poster presentations, talks at industry and professional meetings, industry publications, and publications in peer-reviewed journals. November 10-13, 2013. Parlier, CA. 2-New data to improve management of coleopteran pests of stored products were obtained and published. Type: Year Published: Journal Articles Status: Comparison of morphological and molecular identification of Liposcelis bostrychophila geographical populations (Psocoptera: Liposcelididae). The genus Sitophilus (Coleoptera: Curculionidae) encompasses species of great economic importance as stored grain pests worldwide. Published USDA ARS San Joaquin Valley Agricultural Sciences Center. Examples of invaders include the flour beetles and the grain beetles. Other Throne, and P.W. Adults do not fly but try to crawl away when disturbed. This pest is … Status: Over 180 stakeholders in Ghana attended 4 workshops in which I gave several oral presentations on reducing grain post-harvest losses in Ghana. Published 2013. students and 1 PhD student were trained. Opit. 2014. Year Published: They sometimes appear in huge numbers on food materials in commercial or domestic premises. Jones. 2013 Opit, J.S. Food security in sub-Saharan Africa. �f�� �:l,����mX���po�8��̼��A`a� nfg� q9���sp`Vq0chk��9ύL ��]@l��� In addition, data have been submitted to a trade journal for publication. 2012. 2009. Opit, G.P. Azucena Gonzalez-Coloma, ... Braulio M. Fraga, in Comprehensive Natural Products II, 2010, Plant EOs are produced commercially from cultivated plants mainly from the Lamiaceae family. Abstract The genus Sitophilus (Coleoptera: Curculionidae) encompasses species of great economic importance as stored grain pests worldwide. In Palaearctic region the species is replaced by Sitophilus granarium, which is wingless with punctuate prothorax and elytra but without four yellow spots on elytra. The primers were designed for the specific amplification of a gene fragment of the cytochrome oxidase subunit I, which exhibited high specificity during our preliminary experiments with insects from six populations of known species (either S. zeamais or S. oryzae). Journal of Economic Entomology 103: 1920-1928. I have received a USDA-FAS grant for $6,677.00 to work on assessment of grain storage and handling practices in Nigeria. February 25-28, 2013. Efficacy of Spinosad and a Combination of Chlorpyrifos-Methyl and Deltamethrin Against Phosphine-Resistant Rhyzopertha dominica (Coleoptera: Bostrichidae) and Tribolium castaneum (Coleoptera: Tenebrionidae) on Wheat. Journal of Economic Entomology 101: 616-622. Other Other TARGET AUDIENCES: 1-Oklahoma grain industry 2-United States grain industry 3-International grain industry 4-Entomologists worldwide 5-Local and international grain and food processing industries PROJECT MODIFICATIONS: Nothing significant to report during this reporting period.Impacts1.I received and responded to at least 80 stored-product related inquiries by phone and email. Good store hygiene, including the removal and or burning of infested residues from former harvests. Life history: The adults may live for almost one year, laying several hundred eggs/female, raising 5-6 annual generations. Because of their relatively large size and scurrying mobility cockroaches are the most noticed and hence most disliked of all insect pests. Journal Articles Citation: Opit, G.P., J. Perret, K. Holt, J.R. Nechols, D.C. Margolies, and K.A. Opit, G.P., J.E. 3.Three industry proposals were funded for stored-product pest management research (DuPont, Douglas Products and Packaging Company, and Sergeants Pet Care Products Company). These insect larvae feed entirely within the seed. Published These were funded and amounts awarded were $3,600 and $5,000 and $21,870, respectively, for a total of $30,470. Eggs are whitish, oval, 0.7 mm long. As a result of these and earlier funding, I made 2 trips to Ghana to implement a Technical Assistance Program on Reducing Post-harvest Losses in Ghana; 1 to Nigeria on a follow-up visit for a Borlaug Fellow who worked under my supervision in my laboratory in 2010; I received and supervised another Borlaug Fellow from Nigeria in my laboratory for 3 months; and I recruited 1 Ph. pest of economic importance, Sitophilus oryzae feeds internally by boring into stored grain. This work has already resulted in 1 presentation at a professional meeting. Jones, M.E. Moreover, several reports indicate that monoterpenoids raise insect mortality by inhibiting acetylcholinesterase enzyme (AChE) activity.8,37 However, it has been shown that the insecticidal effects of some EOs cannot be explained by the action of their major components, suggesting that their insecticidal action is the result of a synergistic effect.38,39. "Seasonal Distribution of Stored-Product Psocids". 2013 Citation: Lagos, Nigeria. Austin, TX. Awaiting Publication Other Data from this work were presented at one international entomology conference and one ESA meeting. 1996. Arif, M., F.M. Both identification strategies provided the same results indicating prevalence of the maize weevil S. zeamais throughout the country. As shown in Fig. These grants are currently pending. 2014. Treatments with another entomopathogenic fungus, Metarhizium anisopliae (Metchnikoff) Sorokin, formulated with charcoal and oven ash, resulted in adult S. oryzae mortality rates of 73–86% mortality of 7 days post-treatment. 2013 Status: Learn about our remote access options, Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Viçosa, Viçosa, Brazil. Bajracharya N., G.P. Ants have caused problems at nearly every type of food production or processing premises at some time or other. Sampling plans for the psocids Liposcelis entomophila and Liposcelis decolor (Psocoptera: Liposcelididae) in steel bins containing wheat. Citation: Common names: Rice weevil, greater grain weevil and lesser grain weevil. Year Published: Journal of Stored Products Research 35: 107-115. Other Progress 10/01/08 to 09/30/14OutputsTarget Audience: Entomologists in Oklahoma, U.S., and Worldwide Oklahoma, U.S., and Worldwide Grains and Feed Industries Oklahoma, U.S., and Worldwide Grain Milling and Processing Industries Oklahoma, U.S., and Worldwide Grains Storage System Changes/Problems: Type: Other Throne. Gautam, S.G., G.P. Table 1. Shalom Applebaum, The Robert H. Smith Faculty of Agriculture, Food and Environment Experiments on the effects of temperature and relative humidity on population growth and development of Liposcelis fusciceps were completed. Gautam, S.G., G.P. The latter group includes bruchids, weevils (Curculionidae), and grain borers (Bostrichidae), which cause problems because of infested raw materials and rarely become endemic in the structure of the food production facility. Phillips. 3.Experiments on the effects of temperature and relative humidity on population growth and development of L. pearmani were completed and a manuscript on this is in preparation. Status: Chen, H., G. P. Opit, P. Sheng, and H. Zhang. Learn more. Three industry proposals were funded by Sergeants Pet Care Products and Bayer Crop Science. Throne. Austin, TX. The latter can be controlled by insecticide baits based on juvenile hormone activity because, unlike the Lasius spp., there is usually only a single queen producing eggs in the nest. As shown in Fig. This work was funded by industry money. Citation: Economic importance: Both species of Sitophilus are major pests of several cereal crops, including barley, maize, oats, rye and wheat, as well as peas, cassava and fruits, like apples in storage. Parthenogenetic multiplication can be rapid, but temperatures higher than 20 °C and high humidity are needed for egg production. Published

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