Indian sweetpotato weevil, euscepes postfasciatus, is the predominant species. For the west indian sweet potato weevil, euscepes postfasciatus, which is one of the most serious pests of sweet potato, no effective capture techniques, such as sex pheromone lures, exist. Curculionidae west indian sweet potato weevil, scarabee. Factsheet euscepes postfasciatus fairmaire sweet potato. The species is distributed throughout the ryukyu islands of japan. Euscepes postfasciatus eggs, larvae, pupae andor adults during the inspection process. Pdf resistance of sweet potato cultivars to euscepes. Neogregarine protozoan pathogen was detected in the e. There are at least 20 described species in euscepes. Categorization of euscepes postfasciatus eusppo this website uses cookies our website uses cookies to ensure that we give you the best possible online experience.
However, the use of highdoseintensity gamma radiation to induce sterility has negative impacts not only on reproductive cells but also on somatic cells. Although a sterile insect technique sit has been used to eradicate this species since 1994, it is still far from accomplishing the principal goal of eradication. Aug 27, 2016 sweetpotato ipomea batatans is a food crop of global significance. Goldenringed dragonfly anotogaster sieboldii obj file 15. The insect control of stored food product is very important to maintain the quality of foodsgrains. Initial field trial using a low dose of male lure 12. Reduced dispersal and survival in the sweet potato weevil.
West indian sweet potato weevil euscepes postfasciatus fairmaire, 1849. Effects of high co 2 on mating success, mating duration, and sperm transfer in the west indian sweet potato weevil, euscepes postfasciatus ayame nunohiro department of agro. Ecology and biology of euscepes postfasciatus researchwere examined as part of the destruction work by the japanese 39,44,45. Whilst these are generally well controlled in developed countries using approaches such as clean planting material and monitoring with pheromone traps to guide insecticide use, research into methods suitable for developing countries has. High population density and egg cannibalism reduces the. This page was last edited on 16 december 2019, at 12.
Research highlights massrearing colony of euscepes postfasciatus was damaged. Doseresponse tests indicated that the most radiotolerant stage occurring in roots was the pupa of sweetpotato vine borer, omphisa anastomosalis guenee, and the adult of west indian sweetpotato weevil, euscepes postfasciatus. Secondly roots from selected cultivars were used to study the sweet potato resistance to e. Mdsajedul islam, and woodward bailey united states department of agriculture usda animal and plant health.
Adopted standards ispms international plant protection. Cylas formicarius fabricius, larvae burrow in and feed for weeks, then pupate in a burrow 2. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. Page designed through the cooperative efforts of interagency itis teams. However, it is not a legal authority for statutory or regulatory purposes. Woruba4, gunnar kirchhof5, ryosuke fujinuma5, william sirabis6, yapo jeffery6 and ramakrishna akkinapally7 1. Nardonella endosymbiont in the west indian sweet potato. Hosted by the usgs core science analytics and synthesis. In this study, we investigated the metabolite differences in somatic tissues between nonirradiated, 20gyirradiated, and 40gyirradiated male. All structured data from the file and property namespaces is available under the creative commons cc0 license. Euscepes postfasciatus west indian sweetpotato weevil sweet potato quar 1 geotomus pygmaeus burrowing bug tropical plants quar 1 gynaikothrips uzeli weeping ficus thrips weeping fig nurspub 5.
Oral administration of antibiotics suppressed the gut symbionts in b. Sweet potato resistance to euscepes postfasciatus coleoptera. Sperm storage and viability within females of euscepes. A new distribution map is provided for euscepes postfasciatus fairmaire. This pathogen severely limited the production of progeny by infected females. Appropriate number of inoculated eggs for massrearing the. Effects of high co2 on mating success, mating duration. Florida entomologist an international journal for the americas has published reports of research on insects and other arthropods since 1917. An eradication project has been initiated in the southwestern island of japan to contain the west indian sweetpotato weevil, euscepes postfasciatus fairmaire using the sterile insect technique sit. Dispersion of sweet potato stems damaged by the west indian sweetpotato weevil, euscepes postfasciatus fairmaire coleoptera. We do not use these to store personal information about you. Wireworms, cucumber beetles, white grubs, flea beetles, and various foliar pests also may occur.
Sexual differences in distress sound in the west indian. West indian sweet potato weevil, euscepes postfasciatus. High population density and egg cannibalism reduces the efficiency of massrearing in euscepes postfasciatus coleoptera. The west indian sweetpotato weevil euscepes postfasciatus fairmaire is a major pest of the sweet potato ipomoea batatas l. Other readers will always be interested in your opinion of the books youve read. Adults parent were released in a plastic box containing tubers of sweet potato cultivars and maintained for 5 d, after which the adults on each. Proteome analysis for profiling infertility markers in male mouse sperm after carbon ion radiation. If you do not see its contents the file may be temporarily unavailable at the journal website or you do not have a pdf plugin installed and enabled in your browser. Countries with established trapping and surveillance activities for.
Locomotion ability variation among instars of the bean bug. Insect pests of sweetpotato are best controlled by integrated pest management ipm approaches. Integrated pest management of west indian sweet potato. Toward exploring promising procedures for monitoring these weevils, we assessed the effect of secretions on the body surface on the recognition of congeners. Pests, diseases and crop protection practices in the. Resistance of sweet potato cultivars to euscepes postfasciatus fairmaire coleoptera. Euscepes postfasciatus west indian sweet potato weevil. The species of these genera have all been introduced since the advent of man and are associated with culti vated crops or introduced trees. Proteome analysis for profiling infertility markers in male. Continuing to use this website means you agree to our use of cookies. Euscepes postfasciatus fairmaire is an invasive pest of the sweet potato ipomoea batatas and is also parasitic to other wild host plants of the ipomoea genus.
Both the quality of offspring and the number of adult weevils produced are important. New system for detecting initial colonization by invasive. Pdf effects of xray irradiation on male sperm transfer. Handbook of vegetable pests john capinera download. Irradiation does not affect field dispersal ability in the west indian sweetpotato weevil, euscepes postfasciatus article in entomologia experimentalis et applicata 1. Whether youve loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. Information is given on the geographical distribution in africa, madeira, asia, amami islands, japan, okinawa, australasia and pacific islands, caroline islands, cook islands, fiji, hawaii, mariana islands, new caledonia, new. Even lowlevel infestations of this weevil reduce marketable yield because sweet potato roots produce furanoterpenoids in response to weevil feeding that make even slightly damaged roots unpalatable uritani et al. Euscepes postfasciatus fairmaire, 1849 i c b west indian sweetpotato weevil euscepes tonsa chevrolat, l. Download pdf 343 kb abstract laboratory and field studies of food preferences and alternate hosts were conducted with the sweetpotato weevils cylas formicarius elegantulus summers and euscepes posfasciatus fairmairc. If the inline pdf is not rendering correctly, you can download the pdf file here.
At optimal temberature range of 2730 celssius weevil completes it life cycle in 33 days. Alydidae, is an important pest of grain legumes especially soybeans in japan panizzi et al. Euscepes postfasciatus eusppooverview eppo global database. This is your first entry to the taxa hierarchy display. Euscepes postfasciatus, the west indian sweetpotato weevil, is a species of hidden snout weevil in the family curculionidae. We report here about rearing this insect for 14 successive generations on an artificial diet, an element required for successful use of sit. Proceedings of the association for plant protection of kyushu, 43. West indian sweet potato weevil euscepes postfasciatus fairmaire. Sweet potato stems and roots were offered to adults of e. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in.
This page was last edited on 23 december 2019, at 04. Irradiation studies were conducted with three sweet potato, ipomoea batatas l. Aug 01, 2007 the bean bug, riptortus pedestris fabricius heteroptera. Brentidae and the small sweet potato weevil, euscepes postfasciatus fairmaire coleoptera. Curculionidae, on sweet potato fields and adult emigration from the field. When this species was first discovered in the new world, it was thought to be a new species and was named cylas formicarius elegantulus. The west indian sweet potato weevil, euscepes postfasciatus, is a notorious pest of the sweet potato, ipomoea batatas. Field performance of tissuecultured, virustested okinawan. The sweetpotato weevil, cylas formicarius, is the most important worldwide pest, however in some caribbean nations, the west indian sweetpotato weevil, euscepes postfasciatus, is the predominant species. Sweetpotato ipomea batatans is a food crop of global significance. Intensive resistance by females before copulation induces. The bacterial 16s rrna gene and groel gene were detected by pcr from the insects. Euscepes postfasciatus and cylas formicarius elegantulus coleoptera.
Green light synergistally enhances male sweetpotato weevil. Biodiversity, ecosystem functioning, and classical biological. The storage roots and foliage of crop are attacked by a wide range of pests and diseases. Females lay scattered eggs on the leaves, pods, and stems of soybeans takasu et al. International standards for phytosanitary measures ispms are standards adopted by the commission on phytosanitary measures cpm, which is the governing body of the international plant protection convention ippc. Longevity in drosophila melanogaster and its ebony mutant in the absence of food 25. We have reported on the engineering contributions of a novel and useroriented webbased fruit fly spatiotemporal simulator to support biosecurity decisionmaking. Curculionidae, on sweet potato fields and adult emigration from the field in japan.
Countries with established trapping and surveillance activities for euscepes postfasciatus need to take account of the fact that adult insects may be detected in the traps in the importing country. Euscepes postfasciatus insectos beneficiosos huevo. The west indian sweet potato weevil, euscepes postfasciatus fairmaire is a serious pest of sweet potatoes in the caribbean and central america, california and hawaii. However, its potential to harm natural ecosystems, rice and sugarcane production, irrigation systems, and navigation and recreation have prompted its listing as a federal noxious weed in the usa anonymous, 1981. The southern chinch bug, blissus insularis, possesses specialized midgut crypts that harbor dense populations of the exocellular symbiont burkholderia. C t q e irradiation as a methyl bromide alternative for. The fecundity of reared weevils increased with each. Integrated pest management of sweetpotato in the caribbean.
Adaptation to artificial rearing during successive. Pyralidae and euscepes postfasciatus and cylas formicarius elegantulus coleoptera. Pests, diseases and crop protection practices in the smallholder sweetpotato production system of the highlands of papua new guinea geoff m. Larvae of these pests bore into roots and make sweetpotatoes taste bitter, drastically decreasing the market value of the crop. Irradiation does not affect field dispersal ability in the.
Scribd is the worlds largest social reading and publishing site. Alternatively, you can download the file locally and open with any standalone pdf reader. One needs to download the free netlogo software for these modules to function. Webbased simulation of fruit fly to support biosecurity. A highlevel of sexual sterility is of importance for the sterile insect technique sit. Lightemitting diode led technology is paving the way to increase crop production efficiency with electric lamps. Sweetpotato weevils in japantwo species of weevil, the west indian sweetpotato weevil, euscepes postfasciatus fairmaire wspw and the sweetpotato weevil, cylas formicarius fabricius spw, are major pests of sweetpotato in the southwestern islands of japan. Sperm storage and viability within females of euscepes postfasciatus. In addition, leds can help control the seasonality of flowering plants to accurately schedule uniform flowering based on predetermined market dates. Effects of sugarcane trash mulching on occurrences of west indian sweetpotato weevil, euscepes postfasciatus and weeds suzuhokkuri.
Studies on integrated pest management of west indian sweet potato weevil euscepes postfasciatus. Files are available under licenses specified on their description page. Euscepes is a genus of hidden snout weevils in the family curculionidae. Cloning, sequencing and molecular phylogenetic analyses of the bacterial genes demonstrated that e. Damage is similar to sweet potato weevi, cylas formicarius. Effect of irradiation on sperm abundance and viability within female. Pyralidae and euscepes postfasciatus and cylas formicarius elegantulus. The sweet potato weevil, euscepes postfasciatus is one of a number of serious pests of sweet potato. Population dynamics of the west indian sweetpotato weevil. General information about euscepes postfasciatus eusppo. The preferences of the west indian sweet potato weevil, euscepes postfasciatus fairmaire, to tubers of sweet potato, ipomoea batatas l.
A new sweetpotato cultivar for table use rapid screening for low pasting temperature starch in sweetpotato by alkali solubility test with microscopy. There are at least 20 described species in euscepes species. In 1994, it became the first longpublished, refereed, natural science journal to make its content available on the internet and the first journal to use pdf for that purpose. View enhanced pdf access article on wiley online library html view download pdf for offline viewing. Users can select specific wavelengths to elicit targeted photomorphogenic, biochemical, or physiological plants responses. From the results, eight resistant and two susceptible cultivars were selected. The first international standard for phytosanitary measures ispm was adopted in 1993. The male lure that is typically used for sweetpotato weevil monitoring in sweetpotato fields is a rubber septum. It is necessary to establish an economical massrearing system for the west indian sweet potato weevil euscepes postfasciatus fairmaire so that large numbers can be created for use in the sterile insect technique sit to control wild infestations.
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