Plant Protection Bulletin (Faridabad), 49(1/4):44-47; 7 ref, Kamel AH, Zewar MM, 1973. Adults usually red-brown, dull with coarse microsculpture. Evaluation of material from plants of medicinal importance in Malawi as protectants of stored grain against insects. Abdulahi A, Haile A, 1991. Evaluation of eucalyptus leaf extracts as repellent for adult Sitophilus oryzae (L.) (Col.: Curculionidae) and attractant for Callosobruchus chinensis (L.) (Col.: Bruchidae). Journal of African Zoology, 106(1):17-25, Desmarchelier JM, Allen SE, Yonglin R, Moss R, Le Trang Vu, 1998. Tilley D R, Langemeier M R, Casada M E, Arthur F H, 2007. oryzae and S. zeamais are very important pests of cereals. Glasilo Biljne Zaštite. It is a pest of stored maize, dried cassava, yam, common sorghum and wheat. Incidence of insect pests of stored maize and paddy in different storage structures/practices of north east region. Cereal storage in developing countries: Chad case history. Annals of Agricultural Research, 20(2):198-201, Shazali MEH, 1987. Insecticidal and acaricidal activity of carvacrol and -thujaplicine derived from Thujopsis dolabrata var. Rapid assessment of the insecticidal value of diatomaceous earths without conducting bioassays. Fiji Agricultural Journal, 35(2):100-101, Pathak KA, Jha AN, 2003. Disturbance of the grain causes adult Sitophilus spp. Significant differences in weight loss were found between the varieties and varied from 1.3% to 4.5%. Annals and Magazine of Natural History, Series 13(4):241-244, Letellier C, Haubruge E, Gaspar C, 1994. In 1855, Motschulsky recognized the large form as a distinct species, which he named Sitophilus zeamais. Anais da Sociedade Entomolo^acute~gica do Brasil, 26(2):285-290; 10 ref, Purrini K, 1976. in sorghum grains of two size classes. Biological control has not been practised against these species. Annals of Warsaw Agricultural University SGGW, Horticulture (Landscape Architecture), No. Evidence and symptoms of pasta infestation by Sitophilus oryzae (Curculionidae; Coleoptera) in the Czech Republic. Maize weevil (Sitophilus zea-mays Motschulsky). Females with lateral lobes of internal, Y-shaped sclerite broader and rounded apically, more narrowly separated.S. In laboratory tests to determine the toxicity of deltamethrin, fluvalinate, chlorpyrifos-methyl, etrimfos and malathion against Sitophilus zeamais and S. oryzae, etrimfos was found to be the most toxic insecticide to S. oryzae (Srinivasacharayulu and Yadav, 1997). Labdev Journal of Science and Technology, B, 12(1):3-4, Karunakaran C, Jayas DS, White NDG, 2003. Distribution of Bacillus thuringiensis Berliner in samples from warehouse and insect cadavers. Assessment of storage losses in wheat due to insect damage in Punjab. Males with median lobe of aedeagus evenly convex dorsally in cross section. Both adults and larvaefeed on internally on maize grains and an infestation can start in the field (when the cob is still on the plant) but most damage occurs in storage. (Effet de différentes poudres végétales sur l'infestation des semences de légumineuses et de céréales au cours de la conservation au Kivu (République démocratique du Congo).) Please consider upgrading your browser to the latest version or installing a new browser. Assessment of damage in some stored cereal grains due to insect attack. The earlier confusion over the identity of S. zeamais and S. oryzae, and the fact that most of the major basic studies were made before the confusion was resolved, means we cannot be sure to which of the species many of the observations refer. Ciencias de la Agricultura, No. Conservazione dei cereali mediante l'impiego di atmosfere modificate prodotte in loco. Entomon, 23(3):227-231; 18 ref, Ramputh A, Teshome A, Bergvinson DJ, Nozzolillo C, Arnason JT, 1999. et le charancon du riz (Sitophilus oryzae L.). Journal of Stored Products Research, 35(1):57-64; 8 ref, Revetti LM, 1972. Both species usually have four pale reddish-brown or orange-brown oval markings on the elytra, but these are often indistinct. A few strains of S. oryzae have been found which can develop on grain legumes (Coombs et al., 1977): peas, lentils and green or black gram are the pulses most often attacked by these strains. The relative resistances of 36 improved and local sorghum varieties were assessed in Nigeria (Bamaiyi et al., 1998). Indian Journal of Entomology, 53(2):280-285, Singh HN, Mathew G, 1973. NCBI Taxonomy: a comprehensive update on curation, resources and tools. Annals of Plant Protection Sciences, 15(1):97-100. http://www.indianjournals.com/ijor.aspx?target=ijor:apps&type=home, Kurdikeri MB, Aswathaiah B, Katagall RD, Vasudevan S, Deshpande VK, 1994. Mysore Journal of Agricultural Sciences, 7(1):86-89, Singh SR, Benazet J, 1975. Common pteromalid parasites found in the Tropics include Anisopteromalus calandrae, Lariophagus distinguendus and Choetospila elegans [Theocolax elegans]. The genus Sitophilus and its species may be identified using the keys of Gorham (1987) or Haines (1991). Resistance in sorghum to Sitophilus oryzae Linn. Capture of stored-grain Coleoptera with WB probe II trap: influence of grain type. The actual length of the life cycle also depends upon the type and quality of grain being infested: for example, in different varieties of maize, mean development periods of S. zeamais at 27°C and 70% RH have been shown to vary from 31 to 37 days.Bhuiyah et al. Irradiation of grains. In Egypt, on local maize, millet and wheat varieties in storage, the relationship between total infestation and external infestation, weight loss, the number of insect fragments in milled grain and the moisture content of the kernels were investigated by Omar and Kamel (1980-1981). 100 (2), 604-612. http://www.bioone.org/doi/full/10.1603/0022-0493%282007%29100%5B604%3ACARAOH%5D2.0.CO%3B2 DOI:10.1603/0022-0493(2007)100[604:CARAOH]2.0.CO;2. Extent of seed damage, loss in weight and loss of viability due to infestation of the rice weevil Sitophilus oryzae Linn. In stored maize, heavy infestations of these pests may cause weight losses of up to 30-40%, although losses are commonly 4-5%. Repellent properties of Cassia sophera L. (Cesalpiniaceae) against the rice weevil Sitophilus oryzae L. (Coleoptera; Curculionidae) and the bruchid beetle Callosobruchus maculatus F. (Coleoptera; Bruchidae). The relative resistance of 36 improved and local sorghum varieties were also assessed in Nigeria (at Samaru) (Bamaiyi et al., 1998). The eggs are laid individually in small cavities chewed into cereal grains by the female; each cavity is sealed, thus protecting the egg, by a waxy secretion (usually referred to as an 'egg-plug') produced by the female. 75:iii + 63 pp. When 170 1-day-old adults of S. oryzae were released into 2 kg sacks of maize, 88.51% infestation and 38.12% weight loss of grains were recorded by Bhuiyah et al. A contribution to the study of store pests in Vietnam. More information about modern web browsers can be found at http://browsehappy.com/. hondai (Ahn et al., 1998); Eucalyptus tereticornis (Khan and Shahjahan, 1998); Allium sp. Invasion by this primary pest may cause grain heating and may facilitate the establishment of fungal colonies, secondary insect pests, and mite pests.S. Cereal storage in developing countries: Chad case history. The effect of feeding by larvae and adults of S. oryzae on the weight of rice and wheat grain was determined in laboratory tests. Journal of Entomological Research, 30(1):25-28, Seifelnasr YE, 1991. Upon hatching, the larva begins to feed inside the grain, excavating a tunnel as it develops. Insects in paddy and rice in storage in the Kandy District. Zashchita Rastenii, 15(10):47, AthiT I, Gomes RAR, Bolonhezi S, Valentini SRT, Castro MFPPMde, 1998. In 12 districts of the Indian Punjab, after about 8-10 months storage on the farm, the weight loss was about 2.5% (Bhardwaj et al., 1977). 33 (4), 96-102. Loss of dry matter and nutritive value in experimentally-infested wheat.

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