General information about nasonovia ribisnigri nasorn. The invention further relates to a source of the resistance for use in breeding. Towards new sources of resistance to the currantlettuce. Distribution and population development of nasonovia ribisnigri.
Forster winteraceae were tested to assess their ability to inhibit settling of the aphid nasonovia ribisnigri mosley on lettuce leaves. Pdf growth, development and consumption by four syrphid. Flower flies syrphidae and other biological control agents. The possibility of nasonovia ribisnigri resistance breaking biotype development due to plant host resistance. There is a consensus that the development of successful integrated pest management strategies requires a detailed understanding of pest biology. Biological and populational aspects of nasonovia ribisnigri and aulacorthum solani on lettuce article pdf available in pesquisa agropecuaria brasileira 373. Both pests may occur simultaneously in the same field and on the same leaves. Aphididae on lettuce in central spain article pdf available in journal of economic entomology 1062. Nasonovia ribisnigri nasorndocuments eppo global database. Synergy between chemical and biological control in the ipm of. The lettuce aphid is a major pest of lettuces lactuca sativa l.
Ecology and behavior distribution and population development of nasonovia ribisnigri homoptera. Continuing to use this website means you agree to our use of cookies. The last decades the demand for biological control of pest insects has been increasing. Insects free fulltext susceptibility of myzus persicae. In the case of the currant lettuce aphid nasonovia ribisnigri, an economically important pest aphid of lettuce, sources of such information are limited. The development of an economic threshold for nasonovia ribisnigri hemiptera. Nasonovia ribisnigri nr, also known as the currantlettuce aphid, is an important pest for. B m c a survey of syrphid predators of nasonovia ribisnigri. Apr 01, 20 aphids are the most serious pests of lettuce in the united states, europe, and in many other parts of the world. Nasonovia ribisnigri is a key pest of lettuce lactuca sativa l. Resistancebreaking nasonovia biotype confirmed in australia. The activity of a selected extract of drimys winteri bark and. If chemical control is considered it is important to treat crops early when the aphid colonisation reaches a threshold of 1 to 5 percent, using effective. Biology and control of the currantlettuce aphid nasonovia ribisnigri gemma hough g.
Nasonovia ribisnigri nasornoverview eppo global database. This aphid is globally distributed, located in all but the coldest terrestrial habitats. Cover crops and related methods for enhancing agricultural. Chemicals give extra protection next to genetical, cultural, mechanical, biological and. Their primary hosts are currant plants, including blackcurrants ribes nigrum and gooseberries ribes uvacrispa, while the secondary hosts are a wider range of plants, including members of the compositae hieracium, lapsana, crepis, leontodon and cichorium, lamiales veronica and euphrasia and solanaceae nicotiana and petunia. Ecology and behavior distribution and population development. Syrphidae to suppress populations of nasonovia ribisnigri mosley homoptera.
C t q e ultralow oxygen treatment for postharvest control of. Pdf this study reports economic thresholds for the lettuce aphid nasonovia ribisnigri mosley, based. Pdf the development of an economic threshold for nasonovia. Lettuce plants comprising resistance against nasonovia ribisnigri biotype 1 download pdf info publication number au2015340590a1. Apr 01, 20 this study reports economic thresholds for the lettuce aphid nasonovia ribisnigri mosley, based exclusively on cosmetic damage, that is, presence or absence of aphids at harvest time. The lettuce aphid, nasonovia ribisnigri mosley, was accidentally introduced into. An nasonovia ribisnigri in uska species han insecta.
Host species suitability and instar preference of aphidius. Biological control was originally defined as the action of parasites, predators, or. Hypocreales against the lettuce aphid, nasonovia ribisnigri hemiptera. Ultralow oxygen treatment for postharvest control of nasonovia ribisnigri homoptera. Growth, development and consumption by four syrphid species. A bigeyed bug geocoris punctipes attacking egg mass of omnivorous leafroller platynota stultana on leaf of bell pepper plant and b attacking egg mass of beet armyworm spodoptera exigua on leaf of bell pepper plant. Biological and microbial control a survey of syrphid predators of nasonovia ribisnigri in organic lettuce on the central coast of california hugh a. The impact of insecticide resistance in the currantlettuce. Ang nasonovia ribisnigri sakop sa kahenera nga nasonovia sa kabanay nga aphididae. The entomopathogenic fungus beauveria bassiana strain gha has recently been reported as a potential biocontrol candidate for use against the lettuce aphid.
Four biopesticides based on the epf beauveria bassiana botanigard es and naturalis l, cordyceps fumosorosea s. Feb 14, 2018 nasonovia ribisnigri is primarily a pest of lettuce, chicory, endive and radicchio where aphids colonise lettuce hearts and rosettes. A survey of syrphid predators of nasonovia ribisnigri in organic. Nasonovia ribisnigri is a cosmopolitan aphid species with a somewhat narrow host range. The possibility of nasonovia ribisnigri resistance breaking biotype. Bioassay data for a reference strain of nasonovia ribisnigri mosely, exhibiting similar responses to proven susceptible strains of myzus persicae sulzer and aphis gossypii glover, were used to assess insecticide resistance in two suspected resistant strains and nine field strains of n. Pdf biological and populational aspects of nasonovia. Development of an economic threshold for nasonovia ribisnigri. Laboratory and semifield evaluation of beauveria bassiana ascomycota. We do not use these to store personal information about you. Nasonovia ribisnigri submitted by matthew barber for the degree of phd of the university of bath 2002 copyright attention is drawn to the fact that of this thesis rests with its author. Biological characteristics of nasonovia ribisnigri. Besides, it can be an alternative or complementary strategy to the traditional use of synthetic pesticides for pest control van driesche et al. Flower flies syrphidae and other biological control.
Entomophthorales infecting nasonovia ribisnigri hemiptera. Role of syrphid larvae and other predators in suppressing. In 2006, we carried out five replicated field trials to determine the importance of syrphid larvae in the suppression of n. Biological control is a key, though often underappreciated, component in agricultural pest management. Pdf laboratory and semifield evaluation of beauveria. Survey of syrphid predators of nasonovia ribisnigri in. Synergy between chemical and biological control in the ipm of currantlettuce aphid nasonovia ribisnigri in canterbury, new zealand volume 100 issue 2 l. Nasonovia ribisnigri mosley is a european aphid species that. Nasonovia ribisnigri, natural enemies, population fluctuation, multiple. Abstract 1 this paper reports on experiments to determine how two different insecticide resistance phenotypes in the aphid nasonovia ribisnigri mosley, which is a major pest of lettuce, change its susceptibility to pyrethroid insecticides and the carbamate pirimicarb.
The present invention relates to lettuce plants and heads that are resistant to nasonovia ribisnigri biotype 1 also called herein nr. Role of the aphid species and their feeding locations in. Documents about nasonovia ribisnigri nasorn this website uses cookies our website uses cookies to ensure that we give you the best possible online experience. Aphididae, biological control, chrysopidae, prey ratios, thripidae. Au2015340590a1 lettuce plants comprising resistance against. Lettuce aphid nasonovia ribisnigri, a pest of romaine lettuce. Producers of highvalue salad packs require highquality raw material free from blemishes and foreign bodies including insects.
Flower flies syrphidae and other biological control agents for. Natural enemies of the currant lettuce aphid, nasonovia ribisnigri. The lettuce aphid, nasonovia ribisnigri mosley, was accidentally introduced into california from europe during the. Biology and control of the currantlettuce aphid nasonovia. Biological control vol 52, issue 1, pages 190 january. Indirect nontarget effects of insecticides on tasmanian brown lacewing micromus tasmaniae from feeding on lettuce aphid nasonovia ribisnigri. An nasonovia ribisnigri in nahilalakip ha genus nga nasonovia, ngan familia nga aphididae. Lettuce that is resistant to the lettuce aphid nasonovia.
Us20170318770a1 lettuce plants comprising resistance. The currantlettuce aphid nasonovia ribisnigri mosley hemiptera, aphididae is the most significant pest infesting lettuce in northern europe collier et al. The lettuce aphid, nasonovia ribisnigri mosley, is an economically important pest of lettuce worldwide. This copy of the thesis has been supplied on condition that anyone who consults it is understood to recognise. We report, for the first time, the occurrence of paecilomyces niveus as an entomopathogen of the aphid nasonovia ribisnigri in pinhais, parana, brazil. Synergy between chemical and biological control in the ipm of currantlettuce aphid nasonovia ribisnigri in canterbury, new zealand article in bulletin of entomological research 1002.
Biology and control of currant lettuce aphid nasonovia ribisnigri. The development of an economic threshold for nasonovia. Synergy between chemical and biological control in the ipm of currantlettuce aphid nasonovia ribisnigri in canterbury, new zealand volume 100 issue 2. Synergy between chemical and biological control in the ipm. Syrphids are important predators utilized for conservation biological control. Insecticide resistance in the currantlettuce aphid. Biology and control of currant lettuce aphid nasonovia. Introduction cover crops and conservation tillage in cotton in georgia, usa conservation biological control by syrphid larvae of nasonovia ribisnigri. Several aphid species such as nasonovia ribisnigri mosley, macrosiphum euphorbiae thomas, and myzus persicae sulzer are considered the main aphid species colonizing lettuce in europe blackman and eastop 1984, collier et al. Biological control aphididae syrphidae predation potential lettuce abstract the lettuce aphid, nasonovia ribisnigri mosley, was accidentally introduced into california from europe during the late 1990s and soon became an economic pest of romaine lettuce along californias central coast region. Plants were arranged in plots and just before the formation of lettuce hearts.
The currantlettuce aphid, nasonovia ribisnigri mosley, 1841, utilizes members of the asteraceae as secondary i. The aim of this study was to evaluate the potential of entomopathogenic fungi epf for the control of aphid pests of field vegetable crops. Distribution and population development of nasonovia ribisnigri homoptera. The young wingless adults, length 2 to 3 mm, yellowgreenish, with straight, unswollen siphunculi, have narrow dark spots on the rear section of the abdomen, on each side of the median line. It has been recorded from species of plant families. Preferal wg, and akanthomyces dipterigenus vertalec were evaluated in a laboratory bioassay against peachpotato aphid myzus persicae. In recent years this insect has spread to other continents north and south america, asia and australia, where eventually causes major problems for growers.
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