Avocado pests united states department of agriculture animal and plant health inspection service aphis 8145001 issued november 1997 there are several pests of concern you should look for when inspecting avocados entering the united states. Walpers, is a major dietary staple in tropical africa where it is most often cultivated. Among the four different host plants tested, more number of alatae responded to the allomonal. A model of cowpea aphid populations in temperate pastures. Ang aphis medicaginis sakop sa kahenera nga aphis sa kabanay nga aphididae.
At the same time, aphis also monitors and responds to potential acts of agricultural bioterrorism, invasive species, diseases of. The performance of cowpea aphid, aphis craccivora koch. Effect of different botanical oils on the control of aphid. The grv complex was first described in africa in 1907, when it strongly affected groundnut production. Aphis craccivora koch basf colony and damage on bean to read this page in french. Genetic mapping and legume synteny of aphid resistance in african. Abstract the cowpea aphid, aphis craccivora, is a major insect pest of cowpea in africa. Aug 17, 2018 this website provides the public with summaries of safety and effectiveness efficacy studies used to license a particular usdaregulated veterinary biological product.
Behavioural response of alate aphis craccivora koch homoptera. 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. It is particularly well distributed in the tropics, where it is one of the most common aphid species cie, 1983. The cowpea aphid infests a wide range of leguminous species including lupins, peas, faba beans, clovers, medics, potatoes and canola. Pests include the avocado stem weevil copturus aguacatae, the large avocado seed weevil heilipus. It is a widely distributed pest of a variety of agricultural crops in the families cucurbitaceae, rutaceae and malvaceae. Chemical, cultural, physical and biological methods, and use of plant. These may spread throughout the crop if weather remains fine and warm. Both nymphs and adults suck plant sap and cause serious damage right from the seedling to pod bearing stage.
Volatiles functioning as host cues in a blend become nonhost cues. The mortality of cowpea aphid aphis craccivora, due to the treatment of chemicals ranged from 50 to 98%. Aphid identification key department of primary industries. There were two significant associations between facultative symbiont and aphid food plant. As part of this predecisional notice, aphis will provide unions with specific program plan information. Aphis craccivora, variously known as the cowpea aphid, groundnut aphid or black legume aphid, is a true bug in the family aphididae. The status column is marked v if the program is voluntary and m if it is mandatory. Study on the effectiveness of pesticides against cowpea. Cowpea aphid aphis craccivora family aphididae this page contains pictures and information about cowpea aphids that we found in the brisbane area, queensland, australia. Usdaaphisppq 18886618083 surveillance and emergency program planning and coordination 4700 river road, unit 98 riverdale, md 207371236 301 7344387 karnal bunt information is also available on the aphis web site at. Pdf first record of aphis craccivora koch hemiptera. Cowpea aphid, aphis craccivora koch is a threat to cowpea growers in all over the country. Resistance source to cowpea aphid aphis craccivora koch in broad bean. Other aphids are similar in appearance to aphis gossypii glover, the melon or cotton aphid.
Biology and demographic growth parameters of cowpea aphid. Within a few days, nymphs mature into reproductive adults and. Aphis preclearance programs listed below are the countries where aphis conducts commodity preclearance programs and the commodity ies involved. Pdf the present study evaluated the resistance of 7 varieties of the broad bean. This decision and order is based upon the pleadings, documentary evidence, testamentary evidence, and arguments of the parties. Pagka karon wala pay siak nga nalista ubos niini niya. Instrumentation and chemicals measuring the melting points of all synthesized compounds was performed on a fisherjohn apparatus. Pdf field efficacy of selected insecticides against. Effects of host plants on the susceptibility of cowpea aphid. The damage and bionomics of the aphid are briefly introduced. Cowpea aphid cpa, aphis craccivora koch is a major sapsucking.
During the spring season on the hibiscus plants in our backyard, we find this aphid. The production is, however, greatly hampered by severe infestation and damage by insect pests including the cowpea aphid, aphis craccivora koch. Pdf resistance source to cowpea aphid aphis craccivora koch. Groundnut is the fifth largest oil crop cultivated in more than 100 countries around the globe between lat 40. Aphididae on aronia crop in montenegro article pdf available in hellenic plant protection journal 102 january 2017 with 294 reads. Aphis strives to assure its stakeholders that it is on guard against the introduction or reemergence of animal and plant pests and diseases that could limit agricultural production and damage export markets. The cowpea aphid, aphis craccivora, koch is a key pest of the crop. North carolina agricultural experiment station technical bulletin 255. 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. Using the best information available at the time, the aphis ws eis usda 1997, revised concluded that benefits, in terms of avoided sheep and lamb losses plus price benefits to consumers are 2. Animal and plant health inspection service plan for. The cowpea aphid aphis craccivora koch cpa is a destructive. Aphids are important piercingsucking insects that during feeding cause significant.
Cowpea aphid, groundnut aphid references originnal reference references links. Sep 16, 2014 neem azalf as an inhibitor of growth and reproduction in the cowpea aphid aphis craccivora koch. Inheritance study of aphid aphis craccivora koch and. The record in this proceeding is now closed, and the matter is ripe for adjudication. The aphids present on these bean twigs were gently removed with the help of soft camel hair brush and were released on the bean twigs kept in plastic box 20 x 15 cm2 in laboratory. Hlb infection must be detected early in order to prevent the spread of the disease. Based on the relative importance of the various constraints in the wca region, agreed priorities have led to emphasis on genetic improvement to challenge. Using the best information available at the time, the aphisws eis usda 1997, revised concluded that benefits, in terms of avoided sheep and lamb losses plus price benefits to consumers are 2.
Eggs develop within the mother and nymphs are born live. Worldwide populations of the aphid aphis craccivora are. Aphis, which is also tasked to issue and renew licenses under the awa. A neighbor joining tree saitou and nei, 1987 was constructed from.
Aphis craccivora a polyphagous aphid species with a preference for fabaceae. Usda animal and plant health inspection service aphis. Further studies are needed to confirm this aphid as wheat pest and t o explore its potential role as vector of barley yellow dwarf virus. 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. Aphis craccivora koch plays a role in transmission of a number of viruses, including grd known as a major viral disease of peanut and can cause up to 100% yield losses naidu et al. The aphids, aphis craccivora koch is a serious pest in agricultural fields of vadodara. Keep in mind that the search is only based on the full taxon name. Products on this website include vaccines, bacterins, and immunomodulators, but not diagnostic test kits, antibody products, or allergenic extracts. Pdf the bionomy and ecology of aphis craccivora on robinia pseudoacacia was studied. Originally of probable palearctic origin, it is now an invasive species of cosmopolitan distribution.
Usda animal and plant health inspection service aphis hlb. Aphid colony, body length 12mm this aphid is known as cowpea aphids or cow pea aphids. Study on the effectiveness of pesticides against cowpea aphid. This website provides the public with summaries of safety and effectiveness efficacy studies used to license a particular usdaregulated veterinary biological product. Worldwide in distribution, but particularly common in warm temperate and tropical regions. Aphis craccivora aphis craccivora subject category. Alfalfa leaf curl virus is transmitted by aphis craccivora in a highly. Infestations are initially dense colonies on individual plants or in well defined patches. Cowpea aphid, black legume aphid, groundnut aphid distribution. See subspecies craccivora for additional information. Control of the cowpea aphid, aphis craccivora koch homoptera.
Varietal preference and management of bean aphid, aphis. The zygote contains equal amounts of dna from both parents. Aphis craccivora, beauveria bassiana, biological control, biological property, host plant. Insect pest complex of pigeon pea cajanus cajan in agro. Unions may request additional information as part of the predecisional process. Cowpea aphid aphis craccivora koch ilse schreiner, ph. Efficacy of pesticides against aphis craccivora 120 100 80 60 40 20 0 dimethoate imidaclopride monocrotophos acetampride control mortality % study on the effectiveness of pesticides against cowpea aphid aphis craccivora koch 63. By testing their field efficacy, they can be used as potential biocontrol agent for the management of cowpea aphid. Two methods, whole plant and detached leaf, were used in these experiments. The bean twigs, harboring aphis craccivora koch colonies, were collected from the fields and brought to the laboratory. Koch and rosette resistance in groundnut arachis hypogaea l. Dorsum of abdomen pale, cauda and siphunculi both dark. Pdf morphology, biology and behavioral aspects of aphis.
Colony development, biology, and demographic parameters were studied to measure the cowpea aphid performance. Aphis labor relations staff will provide predecisional draft notice of the aphis plan to the unions. Request permission export citation add to favorites track citation. Class insecta, order homoptera, suborder aphidinea, superfamily aphidoidea, family aphididae. The ecology of aphis craccivora koch and subterranean clover stunt virus in southeast australia. Species scientific name, pests common names, glossary, crops. Aphis gossypii is a tiny insect, an aphid greenfly in the superfamily aphidoidea in the order hemiptera. Host odour preference of 405 olfactory response of cowpea. Organism names see more details as well as leaf crinkle virus disease as compared to untreated control. Agriculture merged to become the national research institute for agriculture. 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.
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