Lesser grain borers, rhyzopertha dominica, select rough rice. Likewise, this insect, though small, has powerful jaws with. Lipids play an essential role in providing energy and other physiological functions for insects. The main components of the cuticular lipids are hydrocarbon compounds. Transactions of the royal entomological society of london. The insect eggshell contains only a few areas that could allow penetration of insecticides. Recent journal of stored products research articles elsevier.
This work covers the identity, biology and ecology of pests of stored products. Adult females lay eggs singly or in groups of up to 30. Jul 21, 2004 insect infestations in grains and other stored food and fibre products cause annual losses worth many millions of dollars worldwide. Oviposition and development of lesser grain borer and rice weevil in relation to some morphological rice grain characters. 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. Therefore, it is important to determine the composition of insect lipids from cuticular and internal tissues for a better understanding of insect biology and physiology. Insecticide alternatives, mechanisms and challenges for. These records included 537 commodities and 84 storedproduct insect species. Adult insects, tribolium castaneum and rhyzopertha dominica, were obtained from the department of primary industries and regional development dpird, australia.
Bostrichidae bostrychidae, the lesser grain borer, is an internal feeder of various stored raw grains. Females lay eggs singly or in a row on the exterior of the kernel. These insect pests laemophloeus cryptolestes turcicus grouvelle, rhyzopertha dominica fabricius, sitophilus zeamais motschulsky, tribolium castaneum herbst. The sole species, rhyzopertha dominica, is known commonly as the lesser.
The lesser grain borer, rhyzopertha dominica fabricius coleoptera. Biology and management of stored products insect pest rhyzopertha dominica fab. Likewise, this insect, though small, has powerful jaws with which it can bore directly into wood usda, 1968. Materials and methods the study entitled as screening of wheat varieties and ecofriendly management of rhyzopertha dominica. This illustrated guide enables specialists and nonspecialists to distinguish the major pests of durable stored products found throughout the world. Lesser grain borers, rhyzopertha dominica, select rough rice kernels with cracked hulls for reproduction nickolas g. Rhyzopertha dominica tribolium castaneum static rollover threshold 1. Rhyzopertha dominica is one of the most important pests of stored rice oryza sativa l. Most cited journal of stored products research articles. 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. Biology and management of pests infesting postharvest. 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.
Lamiaceae is distributed all over the world and can be found in many environments. Control of rhyzopertha dominica by various solvents extracts of fruits of zanthoxyulum rhetsa roxb dc rutaceae. Biocontrol potential of entomopathogenic nematode species. The biology and distribution of rhizopertha dominica fab. These insects are of considerable economic importance.
Throne3d 1laboratory of agricultural entomology, department of entomology and agricultural zoology, benaki. Evaluation of plant leaves, seedextracts and oils as grain protectants and packaging material impregnation against rhyzopertha dominica fab. 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. The origin of the insect is uncertain, but it now has a cosmopolitan distribution. Bostrichidae, is a destructive, internal grain feeder of stored cereals throughout the world mahroof and phillips 2007.
Urban entomology chapter 7 department of entomology. Methyl bromide alternatives will be given to producers of southern dry cured hams for pest disinfestations. 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. Rhyzopertha dominica is an important insect pest of wheat triticum spp. He was conferred best teacher award in the year,2003. They are established all over the world in diverse ecological habitats and are being developed as one of the biological control agents against. 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. Members of the family bostrichidae are wood and twig borers potter, 1935, but the lesser train borer, rhyzopertha dominica f. 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 rhyzopertha dominica fab. Walking stability of rhyzopertha dominica fabricius, 1792. An account is given from the literature of the systematic position and distribution of the bostrychid, rhizopertha dominica rhyzopertha dominica, f. A female can lay from 200 to 500 white eggs during a lifetime.
Complications with controlling insect eggs intechopen. 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. This study examined the preferences and development of sitophilus oryzae on different organic and inorganic rice varieties by freechoice and nochoice tests. 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. 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. Control of rhyzopertha dominica by various solvents. Postharvest losses are recognized to be one of the critical constraints upon food security among farmers of poor resource in africa. Citescore values are based on citation counts in a given year e. Rhyzopertha is a monotypic genus of beetles in the family bostrichidae, the false powderpost beetles. It brings together facts from a diverse range of areas and combines into one volume the features of identification keys, reference works and scientific. Searching generally involves multisensory orientation odor, tactile, visual, etc which may be modified by insect physiological state age, sex, mating or feeding history, hydration. Jul 01, 2016 rhyzopertha dominica tribolium castaneum static rollover threshold 1.
Goals objectives we will conduct field and laboratory studies on fumigant alternatives for controlling arthropod pests of dried meats and other durable food products. 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. Rhyzopertha dominica, ancestrally a woodboring insect, subsequently adapted to a diet of cereal grains including, but not exclusively, wheat, maize, rice, oats, barley, sor. Metabolites of lesser grain borer in grains journal of. 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. 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.
Susceptibility of eggs and adult fecundity of the lesser. Optimization of dried sorghum noodle processing 850 times visited abstract. Many volatile alcohol and ester metabolites of the lesser grain borer lgb, rhyzopertha dominica cultured on wheat grain were identified. It describes how to identify each pest group or species and summarises the latest information on their biology. 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. Xaviers college of manonmaniam sundaranar university and a director in the crop protection research centre in the same institution since the june 1998. Effects of sublethal doses of talstar on biochemical. Wbm18249, as there was no ethical concern about using t. Phosphine resistance is a worldwide issue threatening the grain industry. Lesser grain borer how is lesser grain borer abbreviated. The 2methyland 2,4dimethylpent2eenals were oxidized to. New method of analysis of lipids in tribolium castaneum.
The eggshell has been shown to be an excellent barrier to insecticides, fungal pathogens, and some fumigants. It is a serious pest of dried stored products throughout the tropics and it is also found in temperate countries. A novel nonderivatization method for the analysis of lipids including fatty acids, hydrocarbon waxes, sterols in tribolium. In this research, phosphineresistant and susceptible strains of two main storedgrain insects, t. Insect infestations in grains and other stored food and fibre products cause annual losses worth many millions of dollars worldwide. Mobility allows insects to locate essential resources food, shelter, mate, oviposition site and favorable environment and avoid natural enemies or unfavorable environments. We expect to provide one or more effective alternative controls that will allow them to store and market a pestfree. Development from egg to adult depends on temperature. The cuticles of insects are covered with a layer of lipids, which protect insect bodies from the harmful effects of pesticides. Lesser grain borer, rhyzopertha dominica edis university of. Morphological characteristics of local entomopathogenic. Phenotypic plasticity of rhyzopertha dominica pheromone. General information about rhyzopertha dominica rhitdo eppo global database.
The effective insecticidal activity of the two extracts. Efficacy of alphacypermethrin, chlorfenapyr and pirimiphosmethyl applied on polypropylene bags for the control of prostephanus truncatus horn, rhyzopertha dominica f. Currently the family consists of 550 bostrichid species, of which 77 of them are found in north america. Bostrichids can be distinguished from other beetles due to their rasplike pronotum, 5segmented tarsi and straight antennae with 33 segments. Chemical composition and biological activities of mentha. 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. Biology and management of pests infesting postharvest agricultural products. Seameo biotrop southeast asian regional centre for. Lesser grain borer, rhyzopertha dominica coleoptera. Feeding preference and development of sitophilus oryzae l. Bostrichidae is a primary pest of stored grains in many regions of the world. Establishment of the school of biological sciences at the university of the punjab, lahore, pakistan was conceptualized in 2002.
Donald wilbur endowed professor for stored product protection 123 waters hall manhattan ks 66506 phone. The work with the two species of insects was approved by murdoch university approval number. Rhyzopertha dominica rhitdooverview eppo global database. Grains heavily attacked by this pest may be hollowed out, until only a thin shell remains. Pheromone from single insects, in different contexts, was collected and measured to determine if this signal is phenotypically plastic. It has also been trapped using pheromonebaited flight traps several kilometres from any food storage or processing facility fields et al. 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. Eggs hatch and the active neonate bores inside a kernel, where it completes development to the adult stage arbogast 1991. He published 55 research papers in the journals of repute and guided 9 m. 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. The genus rhyzopertha is monotypic, consisting of only r. Bostrichidae release an aggregation pheromone consisting of a blend of two components, dominicalure 1 d1 and dominicalure 2 d2. 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 2methyland 2,4dimethylpent2eenals were oxidized to the corresponding acids. The larvae and adults are more dangerous so that the damage to stored cereal grains is greater than other pests vardeman et al. Seasonal fluctuations in the population of anisopteromalus calandrae howard in the laboratory culture of rhizopertha dominica fabricius. 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.1369 1540 564 110 966 540 516 627 387 1394 624 1097 1186 228 1144 417 1382 214 1349 1460 606 480 52 489 150 567 940 539 17 829 342 743 246 1415 1537 681 317 127 1325 1304 360 430 704 1076 1305 801 1158