Rae a 58 646 was examined in new south wales in 1969 in five pastures sown with different combinations of leguminous plants. The production is, however, greatly hampered by severe infestation and damage by insect pests including the cowpea aphid, aphis craccivora koch. Abstract the cowpea aphid, aphis craccivora, is a major insect pest of cowpea in africa. The ecology of aphis craccivora koch and subterranean. Sources of cpa resistance are available in african cowpea germplasm. 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. Mimi fowlercoristine, program manager brs stakeholder meeting november 19, 2014. Behavioural response of alate aphis craccivora koch homoptera. A simulation model describing the interactions of various components of the biology of cowpea aphid aphis craccivora koch, its host plant, subterranean. Seasonal incidence of aphis craccivora koch on vigna mungo. Identification and characterization of resistance to.
Both nymphs and adults suck plant sap and cause serious damage right from the seedling to pod bearing stage. Pdf a method for estimating populations of aphis craccivora koch. Biology and demographic growth parameters of cowpea aphid. The ecology of aphis craccivora koch and subterranean clover stunt virus in southeast australia. The complete mitochondrial genomes of aphids aphis fabae mordvilkoi, a. 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. Ini nga species ginbahin ha masunod nga subspecies. Cowpea aphid aphis craccivora koch ilse schreiner, ph. Olfactometer experiments were conducted in the laboratory to study the influence of host odour and population of conspecifics on apterae and alatae of cowpea aphid aphis craccivora koch. Class insecta, order homoptera, suborder aphidinea, superfamily aphidoidea, family aphididae. 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.
A regional perspective of the phenology and migration of the cowpea aphid. Keep in mind that the search is only based on the full taxon name. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. There were two significant associations between facultative symbiont and aphid food plant.
Worldwide populations of the aphid aphis craccivora are. However, it is not a legal authority for statutory or regulatory purposes. Olfactory response of cowpea aphid, aphis craccivora koch. Aphis craccivora is a major pest of leguminous plants, including cowpea, vigna. Varietal preference and management of bean aphid, aphis. Effects of groundnut crop density on the population dynamics of aphis craccivora koch hemiptera, aphididae in malawi volume 66 issue 2 j. The study was conducted in two successive seasons 20112012 and 201220. The cowpea aphid, aphis craccivora, koch is a key pest of the crop. Aphids are important piercingsucking insects that during feeding cause significant loss of a plants phloem sap, which is essential for plant growth. The damage and bionomics of the aphid are briefly introduced. The three tested cultivars showed different susceptibility to aphids. Please use this identifier to cite or link to this item.
You can modify these specifications at any time by clicking the change items displayed button in the header. Pdf first record of aphis craccivora koch hemiptera. Ang aphis craccivora sakop sa kahenera nga aphis sa kabanay nga aphididae matang nga nahiubos. A field experiment was performed at elmenofeyia governorate, egypt. 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. The cowpea aphid, aphis craccivora koch, is one of the most serious pests of legumes, such as faba bean, cowpea and pea 3. To download the pdf, click the download link above.
An aphis craccivora in nahilalakip ha genus nga aphis, ngan familia nga aphididae. North carolina agricultural experiment station technical bulletin 255. Cheilomenes sexmaculata is predominent species against aphis craccivora in different localities of bihar on agricultural and horticultural plants ahmad et al. Genetic structure of the aphis craccivora hemiptera. Cowpea aphid aphis craccivora koch is a major pest of cowpea, an important african indigenous. An aphis craccivora in uska species han insecta nga ginhulagway ni koch hadton 1854. In california, cpa causes damage on all local cultivars from early vegetative to pod development growth stages. United states department of agriculture biotechnology regulatory services. The cowpea aphid aphis craccivora koch cpa is a destructive insect pest of cowpea, a staple legume crop in subsaharan africa and other semiarid warm tropics and subtropics. Genetic mapping and legume synteny of aphid resistance in. Effects of groundnut crop density on the population dynamics of. Cowpea, vigna unguiculata, is an important food crop in many tropical regions. Relative efficacy of selected insecticides on cowpea aphid.
Control of the cowpea aphid, aphis craccivora koch. Both nymphs and adults suck plant sap and cause serious damage right from the. 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. 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.
This is your first entry to the taxa hierarchy display. 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. Aphis craccivora koch basf colony on alfalfa aphis craccivora koch basf colony and damage on bean to read this page in french. Studies on the ecology of aphis craccivora koch hem. Recently, the genus aphis linnaeus, 1758 is subdivided into 6. Host odour preference of 405 olfactory response of cowpea. A model of cowpea aphid populations in temperate pastures. Alternatively, you can download the pdf file directly to your computer, from where it can be opened using a pdf reader. The ecology of aphis craccivora koch and subterraneanclover stunt virus cf. Homoptera is a widely distributed species of insect prevalent throughout india. Pdf the aphid aphis craccivora was recorded on the crop of aronia, aronia melanocarpa, in montenegro, in june 2015 and 2016. The mortality of cowpea aphid aphis craccivora, due to the treatment of chemicals ranged from 50 to 98%. Among the four different host plants tested, more number of. New sources of aphids aphis craccivora koch resistance in cowpea germplasm using phenotypic and molecular marker approaches.
Tropical pest management, 1988, 343 335337 a method for estimating populations of aphis craccivora koch on cowpea keywords. Homoptera is associated with many host plants in the family fabaceae and also in many other plant families such that it attacks about 50 crops in 19 different plant families 2. Originally of probable palearctic origin, it is now an invasive species of. Cowpea aphid, black legume aphid, groundnut aphid distribution. Observations on aphis craccivora koch at serere, uganda, in 196468 showed that dry season carryover of aphids could occur on the common weeds euphorbia hirta and e. The cowpea aphid, aphis craccivora koch hemiptera, aphidiae, is an important pest of cowpea, vigna unguiculata l. Characteristic and variability of five complete aphid. Pdf aphis aphis craccivora koch is a polyphagous aphid and is a major pest of legume crops. Susceptibility of three faba bean cultivars to field. Within a few days, nymphs mature into reproductive adults and. Worldwide in distribution, but particularly common in warm temperate and tropical regions. The ecology of aphis craccivora koch and subterranean clover. Efficacy of different entomopathogenic fungi against cowpea aphid, aphis craccivora koch. Pdf new sources of aphids aphis craccivora koch resistance in.
Aphis craccivora, variously known as the cowpea aphid, groundnut aphid or black legume aphid, is a true bug in the family aphididae. Although outbreaks of this pest occur annually in thailand causing heavy damage, its genetic structure and demographic history are poorly understood. The following is based largely on the authors summary. Study on the effectiveness of pesticides against cowpea. Aphididae journal of food health and bioenvironmental science, 11 1. Interaction between aphis craccivora and its predators 1978 found c. Aphididae, is one of the most destructive insect pests of legume plants worldwide. Eggs develop within the mother and nymphs are born live.
All structured data from the file and property namespaces is available under the creative commons cc0 license. Also, it was given that the host plant species reported in different regions of turkey of abovementioned aphids, so far. Grafttransmissibility of resistance to cowpea aphid. The black bean aphid, aphis craccivora was described by koch in 1854 from germany. Chemical, cultural, physical and biological methods, and use of plant. Media in category aphis craccivora the following 7 files are in this category, out of 7 total. Aphidiid surveys conducted on guam and saipan from 2016 through 2018 again found l. Materials and methods an unkown aphid was observed during 2009 in wheat crop at nifa farm. Grafttransmissibility of resistance to cowpea aphid, aphis craccivora koch hemiptera. Seasonal incidence of aphis craccivora koch on vigna mungo and vigna radiata with its predator cheilomenes sexmaculata fabricius coleoptera.
Insecticidal effect of some plant extracts on the cowpea aphid aphis. Development of entomopathogenic fungi as biopesticides for the. One stop shop for aphis carpol activities mobile capability organizational applicant. Schum against the cowpea aphid,aphis craccivora koch was investigated. Aphids are economically important insects causing severe damage to a number of crop plants. Ang espesye gibahinbahin ngadto sa matang nga nahiubos. Walpers, is a major dietary staple in tropical africa where it is most often cultivated. The knowledge of predatory efficiency plays an important role in mass rearing and its utilization in management programme. Temperature and development impacts on housekeeping gene. Species scientific name, pests common names, glossary, crops.
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