Type: Presentations on this topic: A) G. Opit & E. Bojour. Stillwater, OK. Published Status: Predicting stored grain insect population densities using an electronic probe trap. As shown in Fig. Validation of the 16S rDNA and COI DNA Barcoding Technique for Rapid Molecular Identification of Stored Product Psocids (Insecta: Psocodea: Liposcelididae). Bordeaux, France. 2013 2009. Status: Year Published: Chemical control: A combination of low dosages of vegetable oils and an organophosphate (pirimiphos-methyl) was highly toxic to immatures and adults of S. zeamais. Differential heat shock tolerance and expression of heat-inducible proteins in two stored-product psocids. Tebbets, and G. P. Opit. At least 30 stored-product-related inquiries were received and responded to by phone and email. Poster: 14th Annual Advances in Genome Biology and Technology (AGBT) Meeting. Guedes, R.N. Opit, J.S. Altogether 6 research projects were conducted and reports were written for the sponsors. h�bbd```b``N�� �q+�d� f��+��"�d; W �#���l+��"Y�M+����s�e"@$?#�"5W�M��:I �X���� ���.| doi:10.1017/S0007485314000224. The rice weevil, Sitophilus oryzae L. (Coleoptera: Curculionidae), is one of the most important destructive primary pests attacking many common stored cereals including rice, wheat, maize and split peas and has a worldwide distribution (Longstaff, 1981; Gomes et al., 1983 and Grenier et al., Data have been published in a peer-reviewed journal. Funding requested was $40,000, $32,543, $70,822, $136,781, and $114,004, respectively. 2013 Flinn, P. W., G. P. Opit, and J. E. Throne. Eggs are produced in capsules or oothecae, which remain attached to the female until deposited near a suitable substrate. Type: Austin, TX. 2009. Other 2014 Citation: What do you plan to do during the next reporting period to accomplish the goals? Two of the projects are still in progress and 1 has been completed and a report written and submitted to the funding source. Citation: Year Published: Effective insect pest control includes continuous application of chemicals like contact insecti-cides and fumigants (Hill, 1990; Rees, 2004). Merri Lynn Casem BA, PhD, in Case Studies in Cell Biology, 2016. October 20-23, 2013. Annual Meeting of the Entomological Society of Canada. Gautam, S.G., G.P. 2013 Arthur, J.E. Poster: 61st Annual Meeting of the Southwestern Branch of the Entomological Society of America. Published Type: In response to a request from Dow AgroSciences, LLC, a support letter was written to EPA in support of ProFume (sulfuryl fluoride).Publications, Progress 10/01/10 to 09/30/11OutputsOUTPUTS: Research on understanding the relationship between respiratory mechanisms of stored-product insect eggs and efficacy of fumigants used for their control was initiated. 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: Bajracharya N., G.P. 2014. In tropical climates, S. zeamais infestations often 2014. Type: Year Published: Status: Jones. Four proposals were written to and funded by the United States Department of Agriculture /Foreign Agricultural Service (USDA/FAS), Oklahoma Agriculture Enhancement and Diversification Program, USDA/FAS Borlaug Fellowship Program, and USDA-ARS San Joaquin Valley Agricultural Sciences Center (SJVASC). These insects feed only on products that are deteriorated, damp, and moldy. Stored product losses resulting from insect infestation are extensive and are usually associated with the occurrence of internal feeders such as lesser grain borer (Rhyzopertha dominica Fabricious) (Coleoptera: Bostrichidae) and rice weevils (Sitophilus oryzae Linnaeus) (Coleoptera: Curculionidae). International Miller (First Quarter): 17-19. Cereal weevils, Sitophilus oryzae, were grown on a diet of wheat grain at 27.5°C and 70% relative humidity.Sitophilus is naturally infected with the bacterial endosymbiont Sodalis pierantonius.A strain of aposymbiotic S. oryzae, was also used in this study.Weevil larvae and nymphs grow naturally inside wheat grains. Oviposition in pyralid moths occurs mainly at dusk. Journal of Stored Products Research 28:119-126. These insects usually depend upon openings in the packages resulting from the manufacturing process, or openings made by penetrating insects. Phillips. Year Published: Fitness Effects of Phosphine Resistance Determined by Measurement of Developmental Rates of Resistant and Susceptible Populations of They are plump,3-4 mm long, legless, dirty white in colour with a brownish head. They were identified as the known ursolic acid (201) and betulinic acid (202). Sitophilus weevils, including the rice weevil (S.oryzae (Linnaeus)), maize weevil (S.zeamais Motschulsky), and granary weevil (S.granarius (Linnaeus)), are well-known insect pests of stored grains worldwide. 2013 Journal of Stored Products Research 33:7â15. The factor distinguishing acetogenin biosynthesis from fatty acid biosynthesis is that reduction of the β-keto ester intermediates does not necessarily occur in acetogenin biosynthesis. and Hodges, R.J. 2000. Influence of Egg morphology on Ovicidal Efficacy of Fumigants. Opit, G. P. 2013. Year Published: Tebbets, and S. Walse. Gautam, S.G., G.P. Essential oils applied as fumigants killed up to 100% of the pest population, and edible oils applied by contact was also very detrimental. Elytra with 2 pairs of paler, reddish spots and >20 circular depressions on the pronotum, located along the longitudinal midline. Two other species in this genus, S. oryzae and S. zeamais, are also common grain storage pests. Data indicate that nucleotide sequences based on the CO1 gene can be used for rapid and accurate identification of Lepinotus reticulatus. Shaaya,, E., Kostjukovski, M., Eilberg, J. and Sukprakarn, C. 1997. Arnason, J.T. These were related to experiments on integrated management of coleopteran and lepidopteran stored-product pests. Zhang, Z. Varad�nov�, F. Jiang, Z. Ku?erov�, V. Stejskal, G. Opit, Y. Cao, and F.J. Li. Journal of Economic Entomology 104: 1415-1422. Supplemented starch pellets were made using the same process but with the addition of 50 mg of either tryptophan, tyrosine, phenylalanine, DOPA, or a combination of the amino acids to the starch mixture prior to drying. Some rights reserved, This site is Annual meeting of the ESA; B) Opit et al. Opit, and J.E. PARTICIPANTS: Nothing significant to report during this reporting period. Total funding from these sources was $30,470. Cereal weevils, Sitophilus oryzae, were grown on a diet of wheat grain at 27.5°C and 70% relative humidity. Austin, TX. 16), an aggregation pheromone of the elm bark beetles, could similarly be derived from acetogenins, through the propionate pathway (Phillips et al., 1985). Journal of Insect Science 12:139 (1-14). Phillips, M.J. Aikins, G.P. Status: Guedes, K. Hoon, Y. Other All the pest species are of warm climate origin and though many are named after countries or regions, this does not necessarily reflect their true origin or range. However, emergence holes are large and rugged and the beetles may be seen on the commodities’ surface. Type: November 4-6, 2013. Data collected from steel bins containing wheat were used to write three manuscripts which have been published in the Journal of Economic Entomology. The commonest species is Liposcelis bostrychophila Badonnel, a rapid-moving, wingless, pale-colored insect approximately 1 mm long for which only females are known. Type: After 48 h, the reduction in feeding by the larvae of the castor semilooper, Achoea janata, was 84.75% for 202 and 94.79% for 201, respectively, at a dose of 10 μg cm−2.91, The organic extract from the aerial part of Junellia aspera (also Verbenaceae) yielded several oleananes, of which daucosterol (203) was a strong antifeedant against adults of the rice weevil, Sitophilus oryzae. Pest Management Science 64: 1314-1322. Species – oryzae (Wayback in 1763 it was known as Calandra oryzae.) This work was funded by industry money. View the article PDF and any associated supplements and figures for a period of 48 hours. Published Coleoptera is the largest order of insects and there are more than 20 species of beetle or weevil of worldwide importance in the food industry. Two moth pests of stored products: (a) brown house moth H. pseudospretella and (b) almond moth Ephestia cautella. Opit, J. Talley, and C.L. Throne, and P. W. Flinn. Opit, D. Margosan, J.S. These two weevils exhibit closely morphological and ecological resemblance making difficult their proper … Other 0 I have given talks to over 350 stakeholders at the following meetings: Spring Grain Elevator workshops, Fumigation Workshops, Food Industry Sanitation Auditors Seminar, and the Missouri Fumigation Certification and Recertification Workshop. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. URL: https://www.sciencedirect.com/science/article/pii/B9780128013946000154, URL: https://www.sciencedirect.com/science/article/pii/B012227055X006398, URL: https://www.sciencedirect.com/science/article/pii/B9780080453828001039, URL: https://www.sciencedirect.com/science/article/pii/B9780125644853500117, URL: https://www.sciencedirect.com/science/article/pii/B9780080453828000745, URL: https://www.sciencedirect.com/science/article/pii/B9780123786128003541, Encyclopedia of Food Sciences and Nutrition (Second Edition), Biosynthesis of Pheromones and Endocrine Regulation of Pheromone Production in Coleoptera, DÉSIRÉE VANDERWEL, A. CAMERON OEHLSCHLAGER, in, Development & Modification of Bioactivity, Azucena Gonzalez-Coloma, ... Braulio M. Fraga, in, Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, Fumigant toxicity repulsive, insecticidal, Grains, flour, meals, oilseeds, dried fruit, and other dried vegetable materials, Cocoa, soybeans, tobacco, various cereals, spices, textiles, and many other products, 22–38 °C, min. Population growth and development of the psocid Lepinotus reticulatus at constant temperatures and relative humidities. Abstract The genus Sitophilus (Coleoptera: Curculionidae) encompasses species of great economic importance as stored grain pests worldwide. 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. 2013 Beeby. Journal of Stored Products Research 59: 9-16. Year Published: Journal of Economic Entomology 106: 2208-2215. November 10-13, 2013. Other Other Opit, G. P., and S. Bajracharya. Resistance Management. 45 stakeholders in Ghana were trained at a train-the-trainer workshop on reducing grain post-harvest losses in Ghana.
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