Aphis craccivora koch, has become a pest of alfalfa and has been found colonizing cotton in californias san joaquin valley. Young and adult cowpea aphids aphis craccivora koch homoptera. Because dna sequences differ somewhat between species and between individuals within a species, dna sequences are widely used for identification. In many of these crops there is no natural genetic resistance to this sapsucking insect or resistance genes have been overcome by newly emerged cpa biotypes. Review the department of pesticide regulations updated fact sheet pdf. There were two significant associations between facultative symbiont and aphid food plant. Cowpea aphid on alfalfauc pest management guidelines. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. Ruchika kataria geedi postdoctoral research associate. Morphtaxonomic analyses of 2009 aphid collections were carried out and the aphid was identified as aphis craccivora koch. Research resistance in alfalfa to aphis craccivora koch. Cowpea aphid aphis craccivora family aphididae this page contains pictures and information about cowpea aphids that we found in the brisbane area, queensland, australia. Control of the cowpea aphid, aphis craccivora koch homoptera.
The following 5 files are in this category, out of 5 total. Pdf comparative life table of aphis craccivora hem aphididae. Aphis craccivora aphicroverview eppo global database. And predators on faba bean and cowpea in newly reclaimed areas in egypt 1426 table 1. Jim baker, north carolina state university, aphid, aphis craccivora, are the only species. Specialisation of bacterial endosymbionts that protect. Specialisation of bacterial endosymbionts that protect aphids. Review and key to aphids hemiptera a quarterly devoted.
Aphis craccivora, variously known as the cowpea aphid, groundnut aphid or black legume aphid, is a true bug in the family aphididae. Nov 09, 2017 the call center will provide better service and shorter wait times for aphis stakeholders. Aphididae on plants and excised plant parts of resistant and susceptible cultivars of cowpea leguminosae. And predators on faba bean and cowpea in newly reclaimed areas in egypt 1424 records in egypt elheneidy et al.
Species scientific name, pests common names, glossary, crops. The cowpea aphid on cotton is easily confused with cotton aphid, a. Aphis craccivora fabaceae senna gaudichaudii kolomona, kalamona, uhiuhi m aphis craccivora fabaceae vigna marina mohihihi, nanea, pulihilihi h aphis craccivora malvaceae sida fallax ilima h aphis fabae solanaceae solanum americanum popolo, olohua, polopolo m, o aphis gossypii boraginaceae heliotropium anomalum hinahina, hinahina ku kahakai m. Biology and demographic growth parameters of cowpea aphid. Walpers, is a major dietary staple in tropical africa where it is most often cultivated.
Originally of probable palearctic origin, it is now an invasive species of cosmopolitan distribution. 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. It is a polyphagous pest ovsyannikova and grichanov, 2009. Specialisation of bacterial endosymbionts that protect aphids from parasitoids mark k. Pdf this study sought to identify new sources of resistance to cowpea aphids cpa using molecular and phenotypic approaches and the. Identification and characterization of resistance to. Resistance in alfalfa to aphis craccivora koch chilean journal of. Cowpea aphid, aphis craccivora koch is a threat to cowpea growers in all over the country. Therioaphis maculata, and cowpea aphid aphis craccivora make up a winter aphid complex. See subspecies craccivora for additional information. When choosing a pesticide, consider information relating to air and water quality, resistance management, and the pesticides properties and application timing.
Invertebrate microbiology worldwide populations of the aphid aphis craccivora are infected with diverse facultative bacterial symbionts cristina m. Olfactory response of cowpea aphid, aphis craccivora koch, to host odours and population of conspecifics j. Aphis craccivora koch basf colony and damage on bean to read this page in french. Finchtv is a designed to allow researchers to view dna sequence files like the chromatograms you are using here. However, it is not a legal authority for statutory or regulatory purposes. The damage and bionomics of the aphid are briefly introduced. Worldwide populations of the aphid aphis craccivora are. Since economic thresholds have been developed for individual species, proper aphid. Worldwide in distribution, but particularly common in warm temperate and tropical regions. Use neem oil, either alone or in combination with the entomopathogenic fungi biopesticides. Aphis craccivora is the most important insect pest of cowpea and also causes significant yield losses in other legume crops including alfalfa, beans, chickpea, lentils, lupins and peanuts.
The aphids, aphis craccivora koch is a serious pest in agricultural fields of vadodara. The cowpea aphid, aphis craccivora koch hemiptera, aphidiae, was collected from a greenhouse on fava bean, vicia faba fabales, fabaceae, at the university of kentucky. Seasonal abundance of aphis craccivora on faba bean plants cultivated during the two seasons 20102011 and 20112012 in the newly reclaimed sandy area, elkhattara district. Publishing and conversion into digital format made possible by funding from. Aphis craccivora, variously known as the cowpea aphid, groundnut aphid or black legume. Date of inspection weeks the first season 20102011. Doralis robiniae macchiati pergandeida craccivora koch pergandeida loti kaltenbach pergandeida robiniae macchiati. Dna analysis and finchtv dna sequence data can be used to answer many types of questions.
During the spring season on the hibiscus plants in our backyard, we find this aphid. Description adult females are black, the apterae dorsally shiny. Chemical, cultural, physical and biological methods, and use of plant. Research resistance in alfalfa to aphis craccivora koch lilian r. Insect management for legumes beans, peas 2 figure 1. Aphis craccivora, crop pest, entomopathogenic fungi, median lethal concentration introduction cowpea aphid, aphis craccivora koch is a threat to cowpea growers in all over the country. Aphididae, is one of the most common and wellknown insect pests throughout the world minks and harrewijn 1987, blackman and eastop 2006, sadeghi et al. Field and laboratory studies in eastern uganda confirmed the effectiveness of syrphus ribesti as a potential biological control agent of aphis craccivora on cowpea munyuli et al. On faba bean and cowpea plants in newly reclaimed land in egypt ali, sh. Aphis craccivora is a vector of several viruses including broad bean mosaic virus, cucumber mosaic virus and groundnut rosette virus. Aphis is a genus of insects in the family aphididae containing at least 600 species of aphids. Host odour preference of 405 olfactory response of cowpea. Descamps1, carolina sanchezchopa1, and jorge bizetturovsky1 the cowpea aphid, aphis craccivora koch aphididae, is considered to be one of the major pests in the semiarid pampas of argentina and in other alfalfa medicago sativa l.
Aphididae is commonly called as cowpea aphid, black legume aphid and groundnut aphid. The grv complex was first described in africa in 1907, when it strongly affected groundnut production. Pdf the cowpea aphid, aphis craccivora koch, is an important pest of robinia pseudoacacia frisia. Within a few days, nymphs mature into reproductive adults and. Aphis craccivora cowpea aphid identification, images. Like other aphids, aphis craccivora produces copious amounts of honeydew, a sweet and watery anal excrement that serves as a medium on which sooty mould grows. Biological activity of select plant and indigenous. Heimpel6 1naturalsciencesdepartment,metropolitanstateuniversity,saintpaul,minnesota.
Download help aphis craccivora tsn 200575 taxonomy and nomenclature. Aphis craccivora typically feeds on several species of legumes family fabaceae worldwide, including alfalfa, beans, chickpea, lentils, lupins, and peanuts. By testing their field efficacy, they can be used as potential biocontrol agent for the management of cowpea aphid. Regionalization evaluation services information the regionalization evaluation services res evaluates the animal health status of foreign regions zones and the risk of disease introduction via commodities for import into the united states. Doralida loti kaltenbach doralina craccivora koch doralis meliloti. The cowpea aphid, aphis craccivora, koch is a key pest of the crop. Aphis craccivora a polyphagous aphid species with a preference for fabaceae. Aphis gossypii damages cotton plants during both vegetative and. Genetics of resistance to aphis craccivora in cowpea springerlink. The feeding of this aphid on clover and alfalfa causes plant wilting as well as. Aphids are important piercingsucking insects that during feeding cause significant loss of a plants phloem sap, which is essential for plant growth dixon 1998.
In experiments on soyabean in egypt, releases of chrysoperla carnea larvae on plants infected with healthy or soybean mosaic virus sbmvviruliferous aphids of a. Usda aphis regionalization evaluation services information. Biological activity of select plant and indigenous extracts. Kumar 2016 population dynamics of aphis craccivora koch and its natural enemies on bean crop in relation to weather parameters in vadodara, gujarat. The following are ranked with the pesticides having the greatest ipm value listed firstthe most effective and least harmful to natural enemies, honey bees, and the environment are at the top of the table. Brown citrus aphid, toxoptera citricida kirkaldy insecta.
Analyzing a dna sequence chromatogram student researcher background. Aphis craccivora can curl, yellow, or stunt leaves and can reduce flower production and stem growth. Kumar 2017 studies on the presence of semiochemicals e. The cowpea aphid, aphis craccivora koch aphididae, is considered to be one of the major pests in the semiarid pampas of argentina and in other alfalfa. The aphids, either apterous or alate, are always parthenogenetic viviparous females. The female has a glossy black or dark brown body with a prominent cauda taillike protrusion, and legs in some shade of brown or yellow. Eggs develop within the mother and nymphs are born live. Institute, arc, dokki, giza, egypt manuscript received 9 march 2014 abstract the population densities of the cowpea aphid, aphis craccivora koch on faba bean and cowpea plants and its parasitoids were. Cowpea aphid aphis craccivora koch ilse schreiner, ph. The cowpea aphid, aphis craccivora, is common throughout the united states and mexico and is becoming more common in utah alfalfa fig. Both nymphs and adults suck plant sap and cause serious damage right from the seedling to pod bearing stage. Pdf new sources of aphids aphis craccivora koch resistance in. It includes many notorious agricultural pests, such as the soybean aphid aphis glycines.
North carolina agricultural experiment station technical bulletin 255. The behavior of aphis gossypii and aphis craccivora hemiptera. Study on the effectiveness of pesticides against cowpea. Temperature and development impacts on housekeeping gene. What links here related changes upload file special pages permanent link page. Host odour preference of aphis craccivora journal of biopesticides 31 special issue 405 407 2010 405 olfactory response of cowpea aphid, aphis craccivora koch, to host odours and population of conspecifics j. Media in category aphis craccivorathe following 7 files are in this category, out of 7 total. All species cause similar damage, but spotted alfalfa aphid and blue alfalfa aphids are the most damaging in our system. Inheritance of aphid resistance and allelic relationships among sources of resistance was studied in the parents, f1, f2, f3, and backcross populations of. Insecta, hemimetabola, hemiptera, sternorrhyncha, aphidoidea, aphididae common name. Cowpea aphid, black legume aphid, groundnut aphid distribution.
Cowpea aphid in alfalfa john palumbo, entomologist, yuma valley agricultural center barry tickes, area agent, yuma county cooperative extension new problem during the past two years, the cowpea aphid, aphis craccivora koch, has been extremely abundant in alfalfa fields throughout the desert. This small aphid is less than in length, and is easily distinguished from other aphids in alfalfa because adults are shiny black and nymphs are dull grey figs. It is a polyphagous species, with a marked preference for herbaceous leguminoseae. Aphids are important piercingsucking insects that during feeding cause significant. Polyphagous, with a preference for legumes economic importance.
Study on the effectiveness of pesticides against cowpea aphid. Sep 16, 2014 stylet penetration activities by aphis craccivora homoptera. Foottit4 abstract the aphid species from eleven of the major islands of micronesia ranging from majuro, republic of the marshall islands in the east to koror and babeldaup, republic of palau in the. Amaresh abstract cowpea, vigna unguiculata, is an important food crop in many tropical regions. But more frequently this pest was noticed in severe form on cowpea and groundnut. It is one of the commonest aphid species in the tropics.
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