Helicoverpa punctigera, the native budworm or australian bollworm, is a species of moth in the family noctuidae. In a laboratory bioassay, haivpositive larvae and pupae developed more slowly and had higher mortality than haivnegative larvae, suggesting that the virus is pathogenic. Key laboratory of integrated management of crop diseases and pests,ministry of education college of plant protection, nanjing agri cultural university, nanjing 210095, p. Helicoverpa armigera were found to harbour ento mopoxvirus. Relative abundance of helicoverpa armigera lepidoptera. Helicoverpa armigera is the only species resident in new zealand. Noctuidae is a polyphagous pest with a wide geographic distribution. A pest rating proposal is required to assign a permanent pest rating. Helicoverpa armigera setal map click here to download a fullsize printable pdf of this larval setal map helicoverpa zea setal map click here to download a fullsize printable pdf of this larval setal map lepintercept an identification resource for intercepted lepidoptera larvae by todd m. Helicoverpa armigera es una plaga ausente en mexico. Pheromones are innate products, exploited for direct population manipulation in the trapping of precise pest density. The nucleotide sequence of the helicoverpa armigera singlenucleocapsid nucleopolyhedrovirus hasnpv dna genome was determined and analysed.
Noctuidae is an important pest capable of colonizing several species of cultivated plants, including soybean glycine max l. Noctuidae is a major pest on a wide range of crops in europe, africa, asia and australia. The cotton bollworm, corn earworm, or old world african bollworm helicoverpa armigera also known as the scarce bordered straw in the uk, where it is a migrant is a moth, the larvae of which feed on a wide range of plants, including many important cultivated crops. However, little information is available on effect of npv infection on haemolymph constituents of h. Insecticide resistance levels have been monitored routinely at sites throughout the countl since 1992 using discriminating dose assays. Helicoverpa armigera heliaroverview eppo global database. Helicoverpa armigera in africa 331 bio control chap 21 12503 10. Current status of insecticide resistance in helicoverpa. The helicoverpa lifecycle stages are egg, larva, pupa and adult moth fig. Helicoverpa armigera has a very widespread distribution that spans over four continents including africa, europe, asia and australia. To look at insects found in the field more closely, handheld microscopes are extremely useful. Efficiency of cotton bollworm helicoverpa armigera.
Since 1997, china has grown commercially available transgenic bacillus thuringiensis bt cotton. Rapid identification of helicoverpa armigera and helicoverpa. July 7, 2014 1 helicoverpa armigera scientific name helicoverpa armigera hubner, 1809 synonyms. The noctuid helicoverpa armigera hubner is a major pest of many economically important crops in india, including cotton, pigeonpea, chickpea, sunflower, tomato, sorghum, millet, okra, and corn manjunath et al. Documents about helicoverpa armigera heliar number title download. Previously, we reported a novel iflavirus in helicoverpa armigera helicoverpa armigera iflavirus, haiv and here we report the effects of haiv on its host. The pest is present and widespread in asia, africa and oceania eppo, 2006. Characteristics of polymorphic microsatellite markers in. Nutritional and growth indices of helicoverpa armigera. Characteristics of adult male genitalia and nucleotide sequence. The population ecology of helicoverpa armigera in smallholder crops in kenya with emphasis on its natural enemies. Agropageshelicoverpa armigera reached mainland of united. Helicoverpa is a genus of moths in the family noctuidae first described by david f.
It has since been reported from the distrito federal, the southern state of parana specht et al. Helicoverpa larvae change color and form during development hardwick 1965. The potential distribution of invading helicoverpa armigera. Subashini and others published dodonaea angustifolia a potential biopesticide against helicoverpa armigera find, read and cite all the research you need on. American bollworm, helicoverpa armigera, is an important polyphagous pest of agricultural crops. Since both life cycles are relatively similar, details on both life cycles can be. Helicoverpa punctigera 170 kb pdf helicoverpa armigera 170 kb pdf watch a video on how to set up pheromone traps at the beatsheet youtube channel. Lowest point for each item was min1 and highest point was max 5. Helicoverpa armigera was first reported as established in brazil in early 20 in the states of goias, bahia, and mato grosso czepak et al. After 15 yr of bt cotton planting, in 2011 we surveyed resistance to fenvalerate, phoxim, and emamectin benzoate in 16 field populations.
Noctua armigera hubner, 1805 noctua barbara fabricius, 1794 1 the cotton bollworm, corn earworm, or old world african bollworm helicoverpa armigera 1 also known as the scarce bordered straw in the uk, where it is a migrant 2 is a moth, the larvae of which feed on a wide range of plants, including many important cultivated. The current study examined the relative abundance of h. The original genus heliothis has now been split into heliothis and helicoverpa. Effects of host plant species on fitness costs of bt resistance in helicoverpa armigera lepidoptera. Biological control of chickpea pod borer, helicoverpa. Bt resistance helicoverpa armigera is widely spread occurring in asia, africa, australia and europe.
Insecticide resistance in field populations of helicoverpa. In the present study, helicoverpa armigera was used as a model to investigate the role of srebp. We aimed to investigate the variation in resistance of transgenic bt cotton varieties to cotton bollworm in north china. Helicoverpa armigera is widely distributed throughout the old world africa, asia, europe, australasia, and oceania in early 20, h. The virus from the cadavers were ex tracted and partially purified by differential centrifu gation and examined under light, phase and electron microscope. Infection of cotton bollworm by helicoverpa armigera.
Based on coefficient of variation cv the most important factors that affect on tendency of farmers to biological control of helicoverpa armigera. Counts of occlusion bodies obs were made by using haemocytometer. General information about helicoverpa armigera heliar. They are more common in the northern or coastal regions of eastern australia, particularly in warmer. Not surprisingly, many of these hosts are crops, including many field crops.
Characteristics of polymorphic microsatellite markers. Helicoverpa armigera resistance management strategy nzpps. Computerassisted analysis revealed 5 putative orfs of 150 nt or larger. The results obtained from the nutritional indices of the whole fourth and fifth instar larvae, on the basis of dry weight, showed that the highest efficiency of conversion. This pest first arrived in brazil in 20, and since then studies on possible. It is a major pest in cotton and one of the most polyphagous and cosmopolitan pest species. A contributing factor in its pest status is the development of resistance to insecticides, making the insect difficult to control. Molecular identification of sterol regulatory element. Performance of trichogramma pretiosum riley hymenoptera. Toxicity and crossresistance of insecticides to cry2abresistant and cry2absusceptible helicoverpa armigera and helicoverpa punctigera lepidoptera. Morphological similarities make differentiation of h. The goal of the present study is to provide a detailed morphological assessment of adults and. Helicoverpa armigera is a highly polyphagous pest of many economically significant crops in africa, asia, australia, and europe king, 1994. Lepidoptera sex pheromone is a product of fatty acid biosynthesis followed by carbon chain modifications.
Effects of parental exposure to high temperature on offspring performance in the cotton bollworm, helicoverpa armigera huebner lepidoptera. Caterpillars of the corn earworm or cotton bollworm are the major pest of cotton, but can also be problematic in pulses, canola and occasionally cereals. Helicoverpa armigera an overview sciencedirect topics. It has since been reported from the brazilian states of mato grosso, goias, bahia, distrito federal, parana, roraima, and piaui. View an online map of the helicoverpa trap network catches. All the producers sampled 100% identified the bollworm in zones 2, 4, 5, 8 and the organic cotton areas while 96. Efficiency of different methods for dsrna delivery in. Ppt understanding the helicoverpa armigera pest population.
Helicoverpa armigera is a key pest of agriculture and horticulture in pakistan. Biological control of helicoverpa armigera in africa. Means sem of growth and development parameters for helicoverpa armigera and h. We studied and modeled damage caused by helicoverpa armigera larvae on cotton with the aim of developing a coupled crop pest model. Later instars develop the color pattern typical of the genus. Bt cotton has been adopted in china since 1997, and has resulted in a reduction of insecticide use for h. Multiple incursion pathways for helicoverpa armigera in. Pm100228 eppo a1 and a2 lists of pests recommended for regulation as quarantine pests 2019.
These crops are cultivated in proximity to each other in central and southern india. Morphological characterization of helicoverpa armigera. Keys about fact sheets glossary larval morphology references. Biological control of helicoverpa armigera heliothis. Integrated management of helicoverpa armigera in soybean. Understanding the helicoverpa armigera pest population dynamics related to the chickpea crop using neural networks rajat gupta, b narayana, krishna polepalli, g.
Oct 29, 2015 recent helicoverpa armigera hubner invasions and subsequent establishment in south america has increased the risk of this species invading north america. At the statement, the agency announced that the two caterpillars were found on traps of a tomato farm and a third was detected at a neighboring field in bradenton, matatee county, florida. Efficiency of different methods for dsrna delivery in cotton bollworm helicoverpa armigera yang jing 1and han zhaojun. Rama murthy pest incidence eggsplant larvaeplant light trap catch pheromone trap catch farm parameters zone location area surveyed plant. Helicoverpa armigera heliardocuments eppo global database. Bombyx obsolete fabricius, chloridea armigera hubner, chloridea obsoleta fabricius, helicoverpa commoni hardwick, helicoverpa obsoleta auctorum, heliothis armigera hubner, heliothis conferta walker, heliothis fusca cockerell, heliothis obsoleta auctorum. Helicoverpa armigera is an important pest of many crops in many parts of the world and is reported to attack more than 60 plant species belonging to more than 47 families such as soybean, cotton, sorghum, maize, sunflower, groundnuts, cowpea, tomato and green pepper 1012. The old world cotton bollworm helicoverpa armigera was first detected in brazil with subsequent reports from paraguay, argentina, bolivia, and uruguay.
Costs of management and damage are gigantic in a wide range of food and fiber crops. The objective of this study was to assess the toxicity of selected insecticides against natural populations of h. P r effect of maysin on wildtype, deltamethrinresistant. Helicoverpa armigera has a facultative pupal diapause, which is induced by short day lengths 11 to 14 hours per day and low temperatures 15 to 23c. They demonstrate feasibility and efficiency against helicopverpa armigera at five different cottonbased agroecological sites. It is prevalent pest of legume crops in india cowgill and bhagwat, 1996.
Therefore, dissections of the genitalia are required for authoritative identifications. Helicoverpa armigera heliothis armigera hubner in ahwaz township, 11 items were designed. Martin pb, lingren pd, greene gl 1976 relative abundance and host preferences of cabbage looper, soybean looper, tobacco budworm, and corn earworm on crops grown in northern florida. Helicoverpa armigera has a history of resistance to ddt and has also developed resistance to endosulfan forrester et al. The wing color of these two helicoverpa species is quite variable. Noctuidae is a polyphagous pest feeding on more than 180 species of plants of which the most economically important. Management of insecticide resistant helicoverpa armzgera. Abstract gas chromatographic and mass spectral analyses were conducted on the pheromone gland extracts of female moth of helicoverpa armigera lepidoptera.
Oh were found from gland extracts in the ratio of 6. The cotton bollworm helicoverpa armigera is one of cottons most destructive insect pests in terms of yield and quality. Resistance to pyrethroids is ubiquitous and stable at around 5080% in most areas. Recently, it was introduced into brazil and was reported on citrus there paiva and yamamoto, 2014. Management of insecticide resistant helicoverpa armigera. Media in category helicoverpa armigera the following 84 files are in this category, out of 84 total. Duncan, in microbial control of insect and mite pests, 2017. Crop losses were substantial regardless of soil fertility sheng, 1988. In southern queensland and areas further south, the majority of h. This highly polyphagous species, commonly found both in the old and new world, has caused significant economic damage as an invasive agricultural pest in brazil since 20. Helicoverpa armigera is nearly identical to helicoverpa zea the corn earworm, which is strongly attracted to the h.
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