We describe the dynamics of potato leafhopper, empoasca fabae harris homoptera. Two new species of the leafhopper subgenus empoasca empoasca walsh. When requesting a correction, please mention this items handle. A field study was carried out in khan bani saad district, diyala province on 2015 to evaluate bio pesticides viz. Predation of immature and adult empoasca fabae harris. The potato leafhopper, empoasca fabae, is a pest of economic crops in the united states and canada, where it causes damage known as hopperburn. If they are flying at night, it takes two or three days to reach their summer destinations. All material on this site has been provided by the respective publishers and authors. Extracts of glandular trichomes from medicago sativa were tested for their ability to disrupt the settling behavior of the potato leafhopper, empoasca fabae. Pdf population dynamics of empoasca fabae hemiptera. Biological studies on the leafhopper empoasca fabae as a bean. Management of potato leafhopper, empoasca fabae core. Every year millions of dollars are lost from reduced crop yields and on pest management.
The journal of the kansas entomological society provides a forum for entomologists and all other researchers interested in insects or other terrestrial arthropods, their evolution, ecology, behavior, systematics, genetics, physiology, economic uses or control, and conservation. Temporal and spatial dynamics of empoasca fabae harris. Download fulltext pdf download fulltext pdf download fulltext pdf population dynamics of empoasca fabae hemiptera. Efficacy of some biocides against potato leafhopper, empoasca. Additionally, phytopathogen infections can cause dramatic changes in volatile emissions, and these emissions can lure insect vectors to infected plants 14.
We analyzed the effects empaosca temperature anomaly on arrival date and infestation severity of potato leafhopper, empoasca fabae harris, a classic new world long distance migrant, and emplasca significant pest in several agricultural crops. Empoasca species leafhoppers are a major insect pest of common bean phaseolus vulgaris l. The nature of injury to alfalfa caused byempoasca fabae. The difference in clover biomass between the inside and outside of exclosures increased significantly with increasing density of empoasca fabae but was unrelated to the densities of the other herbivores, suggesting that empoasca fabae was an exceptionally important herbivore in this system. Studies on host plants of the leafhoppers of the genus empoasca by f. Forewing venation with apical cells 2 and 3 both quadrate basally, veins rp and ma free, connected by crossvein or apical cell 2 petiolate, veins rp and ma confluent for short distance preapically. The objective of this study was to use insertiondeletion indel and singlenucleotide polymorphism snp markers from the. Delong collaborator, division of truck crop and garden insect investigations, bureau of entomology and plant quarantine united states department of agriculture, washington, d. The role of alternative prey in sustaining predator populations. Resistance to myzus persicae sulzer, macrosiphum euphorbiae. Transcriptome analysis of the salivary glands of potato.
This pest is native to north america and disperses into ontario from the south in. Management of potato leafhopper, empoasca fabae homoptera. Potato leafhoppers empoasca fabae are pests in nurseries and landscapes that cause injury by using their piercingsucking mouthparts to feed on plant fluids. The potato leaf hopper empoasca devastans distant is the most important species, and. Medicago sativa, trichomes, plant extracts, pest resistance, empoasca fabae, insect pests, dose response, bioassays, host seeking abstract. Comparison of foliar and soil formulations of neonicotinoid. They are more commonly referred to as the potato leafhopper. Studies of methods and materials for the control of the. In this laboratory study, we quantified rates at which e. See general information about how to correct material in repec for technical questions regarding this item, or to correct its authors, title, abstract.
Empoasca fabae information from itis the integrated taxonomic information system itis provides authoritative taxonomic information on empoasca fabae, as well as other plants, animals, fungi, and microbes of north america and the world. Studies on host plants of the leafhoppers of the genus empoasca. Empoasca ma y hishimonus phycitis f nematospora r phyophthora t empoasca fabae aphis rabae r aphis fabae therioaphis maculata r diaphorina citri empoasca fabae s e r etas j. Furthermore, empoasca fabae leafhoppers are more arrested by volatiles emitted from an alfalfa genotype susceptible to e.
Empoasca is a genus of leafhoppers belonging to the family cicadellidae subfamily typhlocybinae species. Studies on potato leafhopper empoasca fabae damage in. Adults and nymphs of empoasca fabae harris hemiptera. Wheeler, junior entomolo gist, division of cereal and forage insect investigations, bureau of entomol ogy and plant quarantine, agricultural research administration contents page xiicroduction 1 methods 4. Pdf predation of immature and adult empoasca fabae. Economically important leafhoppers that attack potatoes include empoasca fabae. Mar 06, 2019 the economic species of empoasca in the coastal and sierra regions of peru homoptera. Cicadellidae, populations in a 4ha alfalfa field over 2 yr. Even if you see the download button, this doesnt mean that the link leads to the resource with the content placed on it. Yield and insect injury in leafhopper empoasca fabae harris. Aug 01, 2004 we describe the dynamics of potato leafhopper, empoasca fabae harris homoptera. Saliva, along with mechanical injury, leads to decreases in gas exchange rates, stunting and chlorosis. Climate change can benefit individual species, but when pest species are enhanced by warmer temperatures agricultural productivity may be placed at greater risk. Spinosad saccharopolyspora spinosa, bsa3 beauveria bassiana, mycotal lecanecillium muscarium and using chemical insecticide.
Cicadellidae, an important insect pest of alfalfa medicago sativa l. Summary of empoasca fabae sialotranscriptomic sequences. Aug 01, 2004 empoasca fabae, temporal and spatial dynamics, proportion maps, alfalfa, medicago sativa introduction damage related to empoasca fabae is often especially apparent along field margins, although few observations about fieldscale spatial patterns of population density, or colonization, have been published. Read fall migratory flight initiation of the potato leafhopper, empoasca fabae homoptera. Media in category empoasca fabae the following 5 files are in this category, out of 5 total. Efficacy of some biocides against potato leafhopper. The potential of systemic neonicotinoid insecticides to control potato leafhopper, empoasca fabae harris, a damaging pest of wine grapes in the eastern united states, was investigated. Resistance to myzus persicae sulzer, macrosiphum euphorbiae thomas, and empoasca fabae harris in the wild tuberbearing solanum tourn. Nov 19, 2019 colonization of grapevines by the cicadellid empoasca vitis goethe hom.
The role of alternative prey in sustaining predator. Studies on potato leafhopper empoasca fabae damage in alfalfa. The potato leafhopper, empoasca fabae har ris homoptera. In north america they are a serious agricultural pest. The body of the insect is widest at its head and narrowest at its wing tips.
Incidence of green leafhopper, empoasca flavescens fab. Coccinellidae, chrysoperla carnea stephens neuroptera. Species distribution of top blast hits of the empoasca fabae sialotranscripts. Feeding effects ofempoasca fabae on a resistant and susceptible variety of potato. For sale by the superintendent of documents, washington, d. Increased temperature had a significant and positive effect on the severity of infestation, and arrival date had a marginal negative effect on severity. Survival, development and population dynamics of empoasca. Crops that are impacted the most are potatoes, clover, beans, apples and alfalfa. Treatment prey species a isotomid collembola b drosophila melanogaster c acyrthosiphon pisum d empoasca fabae e acyrthosiphon pisum and. In two experiments, an alfalfa monoculture and an intercrop mixture of alfalfa and oat, avena sativa l. Two new species of the leafhopper subgenus empoasca. The nature of injury to alfalfa caused byempoasca fabae harris. Spinosad saccharopolyspora spinosa, bsa3 beauveria bassiana, mycotal lecanecillium muscarium and using chemical insecticide hatchi hatchi 15% ec against potato leafhopper empoasca fabae on cowpea. The economic species of empoasca in the coastal and sierra regions of peru homoptera.
Native to north america, the potato leafhopper, empoasca fabae. Biological studies on the leafhopper empoasca fabae as a bean pest, technical bulletins 166147, united states department of agriculture, economic research service. Wmii fabae a\ wmsr j empoasca fabae harris cicadellidae. This study supports the view that herbivore densities. Survival was not significantly different among host plants mean 62%.
Relatively few studies have examined predation of empoasca fabae harris hemiptera. Pdf efficacy of some biocides against potato leafhopper. Efficacy of some biocides against potato leafhopper, empoasca fabae homoptera. Glandular trichome extracts from medicago sativa deter. Fall migratory flight initiation of the potato leafhopper. Comparative summary of empoasca fabae sialotranscripts with nilaparvata lugens and other. Survival and development of potato leafhopper, empoasca fabae, nymphs were measured on alfalfa medicago sativa, birdsfoot trefoil lotus corniculatus, and red clover trifolium pratense. Feeding effects of empoasca fabae on a resistant and. Pdf draeculacephala mollipes and empoasca fabae harris.
Pdf predation of immature and adult empoasca fabae harris. There was no interaction between sex and host plant for developmental time. Potato leafhopper empoasca fabae harris insect fact sheet integrated pest management description life cycle injury university of illinois potato leafhopper nymph potato leafhoppers are small 18 inch long, wedgeshaped insects. Empoasca fabae harris find, read and cite all the research you need on researchgate. Studies on host plants of the leafhoppers of the genus.
Population growth and spatial structure were strongly influenced by days after cutting. Relational diagram of the components of empalf model of empoasca labae on alfalfa. Biological studies on the leafhopper empoasca fabae as a. Potato leafhopper empoasca fabae integrated pest management. Empoasca empoasca fabae harris, based on work by salina mcallister. Empoasca leafhoppers attack wild tobacco plants in a.
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