The main components of the cuticular lipids are hydrocarbon compounds. The lesser grain borer, rhyzopertha dominica fabricius coleoptera. The first due to its ability to attack, injure and nest in intact and healthy grains, and the second due to the large variety of products in. It describes how to identify each pest group or species and summarises the latest information on their biology. Establishment of the school of biological sciences at the university of the punjab, lahore, pakistan was conceptualized in 2002. Rhyzopertha dominica tribolium castaneum static rollover threshold 1. General information about rhyzopertha dominica rhitdo eppo global database. In common with other bostrichids, which are principally woodborers, rhyzopertha dominica is almost cylindrical, and the head is vertically deflexed under the thorax so that it cannot be seen from above. Insect infestations in grains and other stored food and fibre products cause annual losses worth many millions of dollars worldwide.
Optimization of dried sorghum noodle processing 850 times visited abstract. The cuticles of insects are covered with a layer of lipids, which protect insect bodies from the harmful effects of pesticides. Most cited journal of stored products research articles. Walking stability of rhyzopertha dominica fabricius, 1792. Mar 01, 2019 filter cake and triplex powders from ethiopia were applied to maize and wheat in the laboratory to determine efficacy against the lesser grain borer, rhyzopertha dominica fabricius coleoptera. Pheromone from single insects, in different contexts, was collected and measured to determine if this signal is phenotypically plastic. Rhyzopertha dominica rhitdooverview eppo global database. Methyl bromide alternatives will be given to producers of southern dry cured hams for pest disinfestations. The larvae and adults are more dangerous so that the damage to stored cereal grains is greater than other pests vardeman et al. It has also been trapped using pheromonebaited flight traps several kilometres from any food storage or processing facility fields et al. The eggs are laid on the outside of the grain or in the fine powdered grain associated with infestations of this beetle. The biology and distribution of rhizopertha dominica fab. Bostrichidae, is a destructive, internal grain feeder of stored cereals throughout the world mahroof and phillips 2007. Rhyzopertha dominica is one of the most important pests of stored rice oryza sativa l.
Materials and methods the study entitled as screening of wheat varieties and ecofriendly management of rhyzopertha dominica. Throne3d 1laboratory of agricultural entomology, department of entomology and agricultural zoology, benaki. Storedproduct insect resource and atlas of storedproduct insects and mites books tabulate 2141 published records of the suitability of foods for storedproduct insect development dev, reproduction fec and population growth pop. The 2methyland 2,4dimethylpent2eenals were oxidized to. An account is given from the literature of the systematic position and distribution of the bostrychid, rhizopertha dominica rhyzopertha dominica, f. Volatiles from infested samples at 80 c were collected on tenax absorbent, thermally desorbed, and analyzed by gas chromatography gc using infrared ir and mass ms detectors for component identification. Filter cake and triplex powders from ethiopia were applied to maize and wheat in the laboratory to determine efficacy against the lesser grain borer, rhyzopertha dominica fabricius coleoptera. The present study has documented, for the first time in egypt, the natural occurrence of four entomopathogenic protozoans epp among five of the most abundant and damaging insect pests of stored grains or their products. Efficacy of alphacypermethrin, chlorfenapyr and pirimiphosmethyl applied on polypropylene bags for the control of prostephanus truncatus horn, rhyzopertha dominica f. These insect pests laemophloeus cryptolestes turcicus grouvelle, rhyzopertha dominica fabricius, sitophilus zeamais motschulsky, tribolium castaneum herbst. Rhyzopertha is a monotypic genus of beetles in the family bostrichidae, the false powderpost beetles. Rhyzopertha dominica is an important insect pest of wheat triticum spp. This illustrated guide enables specialists and nonspecialists to distinguish the major pests of durable stored products found throughout the world.
The origin of the insect is uncertain, but it now has a cosmopolitan distribution. Chemical composition and biological activities of mentha. Adult insects, tribolium castaneum and rhyzopertha dominica, were obtained from the department of primary industries and regional development dpird, australia. Bostrichidae is a primary pest of stored grains in many regions of the world. Nighat shahid ali, syed shahid ali and abdul rauf shakoori abstract to evaluate biochemical differences between malathionresistant and susceptible adult populations of lesser grain borer, rhyzopertha dominica a sublethal dose lc20 of talstar, a pyrethroid insecticide, was administered at 1. Bostrichidae bostrychidae, the lesser grain borer, is an internal feeder of various stored raw grains.
This insect is a field to store pest which its infestation on wheat has led to the reduction in quality, quantity and marketability of this important crop ileke, 2011. Complications with controlling insect eggs intechopen. He was conferred best teacher award in the year,2003. Potential host affinities for the lesser grain borer, rhyzopertha dominica. New method of analysis of lipids in tribolium castaneum. This work covers the identity, biology and ecology of pests of stored products. A novel nonderivatization method for the analysis of lipids including fatty acids, hydrocarbon waxes, sterols in tribolium. It is a serious pest of dried stored products throughout the tropics and it is also found in temperate countries. Control of rhyzopertha dominica by various solvents extracts of fruits of zanthoxyulum rhetsa roxb dc rutaceae. Biocontrol potential of entomopathogenic nematode species.
Biology and management of pests infesting postharvest. Lesser grain borer, rhyzopertha dominica coleoptera. Use of synthetic chemical insecticides have been the major approach to the control of this important insect pest of wheat but the adverse effects post by. Part field guide, part office reference, it lays out important data and illustrations for each species. The biology and distribution of rhyzopertha dominica fab. Postharvest losses are recognized to be one of the critical constraints upon food security among farmers of poor resource in africa. Efficacy of filter cake and triplex powders against three. The work with the two species of insects was approved by murdoch university approval number. Females lay eggs singly or in a row on the exterior of the kernel. Likewise, this insect, though small, has powerful jaws with which it can bore directly into wood usda, 1968.
Bostrichids can be distinguished from other beetles due to their rasplike pronotum, 5segmented tarsi and straight antennae with 33 segments. Goals objectives we will conduct field and laboratory studies on fumigant alternatives for controlling arthropod pests of dried meats and other durable food products. Phosphine resistance is a worldwide issue threatening the grain industry. Eggs hatch and the active neonate bores inside a kernel, where it completes development to the adult stage arbogast 1991. It brings together facts from a diverse range of areas and combines into one volume the features of identification keys, reference works and scientific. Lamiaceae is distributed all over the world and can be found in many environments. Currently the family consists of 550 bostrichid species, of which 77 of them are found in north america. Metabolites of lesser grain borer in grains journal of. Adult females lay eggs singly or in groups of up to 30.
Searching generally involves multisensory orientation odor, tactile, visual, etc which may be modified by insect physiological state age, sex, mating or feeding history, hydration. We expect to provide one or more effective alternative controls that will allow them to store and market a pestfree. These insects are of considerable economic importance. Development from egg to adult depends on temperature. Phenotypic plasticity of rhyzopertha dominica pheromone. Urban entomology chapter 7 department of entomology. A female can lay from 200 to 500 white eggs during a lifetime. In this research, phosphineresistant and susceptible strains of two main storedgrain insects, t. Biology and management of stored products insect pest rhyzopertha dominica fab. Mobility allows insects to locate essential resources food, shelter, mate, oviposition site and favorable environment and avoid natural enemies or unfavorable environments. Insecticide alternatives, mechanisms and challenges for. The genus rhyzopertha is monotypic, consisting of only r. Likewise, this insect, though small, has powerful jaws with. Lesser grain borers, rhyzopertha dominica, select rough rice kernels with cracked hulls for reproduction nickolas g.
Mentha species, one of the worlds oldest and most popular herbs, are widely used in cooking, in cosmetics, and as alternative or complementary therapy, mainly for the treatment of gastrointestinal disorders like flatulence, indigestion, nausea, vomiting, anorexia, and ulcerative colitis. Jul 01, 2016 rhyzopertha dominica tribolium castaneum static rollover threshold 1. Morphological characteristics of local entomopathogenic. Bostrichidae release an aggregation pheromone consisting of a blend of two components, dominicalure 1 d1 and dominicalure 2 d2. Donald wilbur endowed professor for stored product protection 123 waters hall manhattan ks 66506 phone.
Jul 21, 2004 insect infestations in grains and other stored food and fibre products cause annual losses worth many millions of dollars worldwide. Gas chromatographymass spectrometry results depicted methyl salicylate ms as the major compound 96. Siebenmorgenb ausda, ars, center for grain and animal health research, 1515 college avenue, manhattan, ks 66502, usa b department of food science, university of arkansas, 2650 north young avenue, fayetteville, ar 72704, usa article info article history. Feeding preference and development of sitophilus oryzae l. The lesser grain borer, rhyzopertha dominica coleoptera. The eggshell has been shown to be an excellent barrier to insecticides, fungal pathogens, and some fumigants. The use of botanical pesticides in pest management during storage against insects is often encouraged because synthetic insecticides produce multiple sideeffects on human health and environment. Lesser grain borers, rhyzopertha dominica, select rough. Nov 11, 2015 the present study was undertaken to investigate the insecticidal activity of chemically characterized gaultheria procumbens essential oil eo and its mode of action against the coleopteran insects sitophilus oryzae and rhyzopertha dominica. Control of rhyzopertha dominica by various solvents. Top of page rhyzopertha dominica is found mainly in cereal stores, and food and animal feed processing facilities. Lesser grain borer, rhyzopertha dominica edis university of.
Xaviers college of manonmaniam sundaranar university and a director in the crop protection research centre in the same institution since the june 1998. Rhyzopertha dominica, ancestrally a woodboring insect, subsequently adapted to a diet of cereal grains including, but not exclusively, wheat, maize, rice, oats, barley, sor. Seasonal fluctuations in the population of anisopteromalus calandrae howard in the laboratory culture of rhizopertha dominica fabricius. Lesser grain borer how is lesser grain borer abbreviated. The effective insecticidal activity of the two extracts. Effects of sublethal doses of talstar on biochemical. Bostrichidae and tribolium castaneum herbst, 1797 coleoptera. Grains heavily attacked by this pest may be hollowed out, until only a thin shell remains. Evaluation of plant leaves, seedextracts and oils as grain protectants and packaging material impregnation against rhyzopertha dominica fab. Members of the family bostrichidae are wood and twig borers potter, 1935, but the lesser train borer, rhyzopertha dominica f. It has been introduced all over the world, but the areas where it can exist throughout the year under natural conditions he between latitudes 40 n.
Lipids play an essential role in providing energy and other physiological functions for insects. Many volatile alcohol and ester metabolites of the lesser grain borer lgb, rhyzopertha dominica cultured on wheat grain were identified. Wbm18249, as there was no ethical concern about using t. Coincidently around the same time dr muhammd akhtar, then the only frs of pakistani origin, had retired from southampton university, uk, after an illustrious career. He published 55 research papers in the journals of repute and guided 9 m. Lesser grain borers, rhyzopertha dominica, select rough rice. The 2methyland 2,4dimethylpent2eenals were oxidized to the corresponding acids. Citescore values are based on citation counts in a given year e. The sole species, rhyzopertha dominica, is known commonly as the lesser. They are established all over the world in diverse ecological habitats and are being developed as one of the biological control agents against. Biology and management of pests infesting postharvest agricultural products. Resistance of five sorghum varieties against rhyzopertha dominica fabricius and sitophilus zeamais motsch. Oviposition and development of lesser grain borer and rice weevil in relation to some morphological rice grain characters.
Eggs are difficult to kill because of the unique structure of the eggshell, comprised of multiple layers that have evolved to allow the embryo to breathe while simultaneously limiting water loss. The sec amyl esters of 2methylpent2eenoic and 2,4dimethylpent2eenoic acids, constituting the aggregation pheromone of the lesser grain borerrhyzopertha dominica, have been synthesized sterospecifically in high yield from the products of the aldol condensation of propionaldehyde and isobutyraldehyde. These records included 537 commodities and 84 storedproduct insect species. This study examined the preferences and development of sitophilus oryzae on different organic and inorganic rice varieties by freechoice and nochoice tests. Susceptibility of eggs and adult fecundity of the lesser. Transactions of the royal entomological society of london. Recent journal of stored products research articles elsevier. The present study was undertaken to investigate the insecticidal activity of chemically characterized gaultheria procumbens essential oil eo and its mode of action against the coleopteran insects sitophilus oryzae and rhyzopertha dominica. Seameo biotrop southeast asian regional centre for.
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