However, many more spodoptera species which may be a threat to plant. Irac susceptibility test method 020 helicoverpa zea, heliothis virescens, spodoptera eridania, spodoptera exigua, spodoptera frugiperda, spodoptera littoralis, spodoptera litura larvae approved version 3. Monitoring for exotic spodoptera species lepidoptera. The advantage of using this new technique is discussed. The producer used intensity chemical pesticide to decrease their population. I found for example many larvae in flower pots around a swimming pool right off shore gran canaria. The egyptian cotton leafworm, spodoptera littoralis boisd. The purpose of this handout is to guide you in the dissection, screening, and identification of moths collected in spodoptera surveys. Noctuidae 4 beet armyworm larvae are susceptible to neem products prabhaker et al. A nuclear polyhedrosis virus isolated from the egyptian cotton leafworm, spodoptera littoralis, was found to infect termite castes of kalotermes flavicollis. Effects of the spodoptera littoralis granulovirus on the development and reproduction of. Effect of sublethal doses of some insecticides and their role. Electrophysiological and behavioral responses of spodoptera. Response surfaces of growth rates were fitted as a function of both percent protein and percent carbohydrate in the diet.
Michigan state universitys invasive species factsheets. In addition to the effect of the feeding insect the impact of several n acyl glns volicitin, n palmitoylgln, n linolenoylgln from the larval oral secretion was studied. Spodoptera littoralis is native to africa, the middle east and the mediterranean countries of europe. During plaque purification of spodoptera littoralis nucleopolyhedrovirus in s. Spodoptera littoralis georgia invasive species task force.
In spain, italy and greece the insect can be found in numerous greenhouse crops including tomato, pepper and melon. Aphis approved facilities authorized to export plants for. Pdf effects of the spodoptera littoralis granulovirus on the. Characterization of an egyptian spodoptera littoralis nucleopolyhedrovirus and a possible use of a highly conserved region from polyhedrin. It has been recorded several times in the uk, and even though it has been intercepted at u. With considerable indepth knowledge of the pathways involved in the biochemical conversion of phytosterols to cholesterol in insects it may be possible to discover more potent inhibitors that would be sufficiently. Dec 01, 2004 the toxicity of two biorational insecticides, spinosad tracer and methoxyfenozide rh2485, was tested against eggs, larvae, and pupae of the noctuid spodoptera littoralis boisduval. Spodoptera species 517 monitoring for exotic spodoptera species lepidoptera. Functional analysis of an immune gene of spodoptera littoralis by rnai. Heritability of immune function in the caterpillar. Steps for the dissection of male spodoptera moths lepidoptera. Some authors mistakenly continue to regard the allopatric old world cotton leafworm species s.
This ranking characterizes spodoptera littoralis as quarantine significant for the u. Control of this pest was always practiced by applying chemical. Spodoptera littoralis an overview sciencedirect topics. Infectivity by injection of the nonoccluded budded virus is not different between the wildtype and the deleted virus. Candidate chemosensory genes in female antennae of the. Here we present results on the effects of bt maize bt. Noctuidae and some native spodoptera moths introduction the purpose of this handout is to help you distinguish two exotic spodoptera moths of concern to u. In the first experiment, filter paper circles containing egg masses of two different age classes, young pdf download applied process design for chemical and petrochemical plants volume 3 2nd edition read full ebook. Spodoptera is a genus of moths of the family noctuidae first described by achille guenee in 1852.
Spodoptera littoralis valent biosciences biorational. Gray circles indicate which compounds are included in each blend. Armyworm spodoptera frugiperda larvae in different literatures diedrich visser et. Candidate chemosensory genes in female antennae of the noctuid moth spodoptera littoralis. Moth photographers group spodoptera littoralis 19640. Membrane potentials v m and intracellular calcium variations were studied in lima bean phaseolus lunatus leaves when the mediterranean climbing cutworm spodoptera littoralis was attacking the plants. The influence of 5 host plants, castor bean, alfalfa, mulberry, cotton and potato, on the susceptibility of the cotton leaf worm, spodoptera littoralis boisd. Effects of two biorational insecticides, spinosad and. Click here to download a fullsize printable pdf of this larval setal map spodoptera frugiperda setal map click here to download a fullsize printable pdf of this larval setal map spodoptera littoralis setal map click here to download a fullsize printable pdf of this larval setal map. Notes on taxonomy and nomenclature top of page for about 60 years, the egyptian cotton leafworm was known as prodenia litura. Occurrence, abundance, and efficiency of some local parasitoids attacking spodoptera littoralis lepidoptera. It is a highly polyphagous organism that is a pest of many cultivated plants and crops.
Comparative assays of spli npv and ac mnpv against 2nd instar larvae of spodoptera littoralis revealed 4fold greater susceptibility of s. Keys about fact sheets glossary larval morphology references. Holloway 1989 and is an economically important pest of cotton, vegetables, and ornamentals, and resistant populations cause severe problems in various regions of tunisia. Frerigmann, in advances in botanical research, 2016. Trapping studies were conducted in 2 florida locations to determine if 3 old world spodoptera. Spodoptera littoralis can be distinguished from native species using genitalic characters. The bhlh06 mutant exhibited the main effects on jadependent gene expression. Spodoptera littoralis, also known as the african cotton leafworm, egyptian cotton leafworm or the mediterranean brocade, is native to africa and israel and widely found in both africa and the mediterranean europe.
Jan 23, 2008 an egyptian isolate of spodoptera littoralis nucleopolyhedrovirus spli npv was tested for its potential as biocontrol agent in comparison to autographa californica multiple nucleopolyhedrovirus ac mnpv. In the first experiment, filter paper circles containing egg masses of two different age classes, young spodoptera littoralis, s. Spodoptera littoralis spodlioverview eppo global database. Headspace was released at 1800 ngh of the main compound dmnt. However, to date little is known on the effects of transgenic maize on spodoptera littoralis boisduval lepidoptera. Spodoptera litura setal map click here to download a fullsize printable pdf of this larval setal map lepintercept an identification resource for intercepted. Identification notes for spodoptera litura and spodoptera littoralis lepidoptera. The roughly 30 species are distributed across six continents. Microbial control of the cotton leafworm spodoptera littoralis boisd. Spodoptera littoralis, also referred to as the african cotton leafworm or egyptian cotton leafworm or mediterranean brocade, is a species of moth in the family noctuidae.
Occurrence, abundance, and efficiency of some local. Spodoptera littoralis larvae were collected in egypt in april 1999 and reared in the laboratory for three generations before experiments were carried out. Pm100228 eppo a1 and a2 lists of pests recommended for regulation as quarantine pests 2019. Effects of feeding spodoptera littoralis on lima bean. Evaluation of two eco friendly botanical oils on cotton leaf worm. Infection of termites by spodoptera littoralis nuclear polyhedrosis. Spodoptera littoralis setal map click here to download a fullsize printable pdf of this larval setal map. Attraction of spodoptera littoralis larvae to colours nature.
Transcriptome analysis of gene families involved in. The influence of host plant on the susceptibility of. Noctuidae, is a polyphagous insect pest attacking a wide range of host plants including vegetables and ornamental plants rao et al. Mate recognition and reproductive isolation in the sibling species spodoptera littoralis and spodoptera litura. The toxicity of two biorational insecticides, spinosad tracer and methoxyfenozide rh2485, was tested against eggs, larvae, and pupae of the noctuid spodoptera littoralis boisduval. Spodoptera littoralis inhabits coastal areas, dry slopes, ravines barrancos, oases, human settlements gardens, cliffs and cultivated land. Median lethal doses ld50s of npv were determined in third.
Spodoptera littoralis was chosen because it is a highly polyphagous insect brown and dewhurst 1975. Flight response of spodoptera littoralis females and males to sprayed cotton headspace, and synthetic blends using a piezoelectric sprayer in a flight tunnel assay. Because of the extensive and continuous use of traditional insecticides, this led to the development of resistance in this insect, so there is a constant demand to use new control agents. Spodoptera littoralis, also referred to as the african cotton leafworm or egyptian cotton. Efficacy of the entomopathogenic fungus, metarhizium. Introduction the cotton leaf worm, spodoptera littoralis boisd. Noctuidae, a polyphagous herbivore which is considered a pest in mediterranean maize growing areas. Eggs can be killed with petroleum oil, and both eggs and young larvae can be controlled with foliar applications of 5% cottonseed oil, but this concentra. Identification, biology, control and management resources identification notes for spodoptera litura and spodoptera littoralis and some native spodoptera moths usda aphis ppq steps for the dissection of male spodoptera moths and notes on distinguishing s. The cotton leaf worm, spodoptera littoralis is main pest on several economic crops. Rearing the egyptian cotton leafworm, spodoptera littoralis, on a.
In addition to the effect of the feeding insect the impact of several nacyl glns volicitin, npalmitoylgln, nlinolenoylgln from the larval oral secretion was studied. In egypt, it is considered a serious pest on cotton, corn, vegetables, and medicinal and aromatic plants amer et al. Pdf soil drenching with entomopathogenic fungi for. Characterization of an egyptian spodoptera littoralis. We produced male and female illuminabased transcriptomes from chemosensory and nonchemosensory tissues of s.
M eagher 1, j ulieta b rambila 2 and e dward h ung 3 1 usdaars center for medical, agricultural and veterinary entomology, 1700 sw 23 rd drive, gainesville, fl 32608 2 usdaaphisppq, p. View spodoptera littoralis research papers on academia. Plants for planting except bulbs, dormant herbaceous perennials, and seeds from israel may enter the united states only if sent from one of the approved nurseries and locations listed in the table1 to prevent the entry of the plant pest spodoptera littoralis. Dec 01, 2008 trapping studies were conducted in 2 florida locations to determine if 3 old world spodoptera guenee species were present. The purpose of this handout is to guide you in the dissection, screening, and identification. Click here to download a fullsize printable pdf of this larval setal map. Functional analysis of an immune gene of spodoptera. First detection report of the fall armyworm spodoptera frugiperda.
Various studies have been conducted to assess the damage caused by secondary lepidopteran pests to transgenic bt maize expressing cry1ab. Pest risk assessment netherlands food and consumer product. In this work, we characterized behavioral responses of spodoptera littoralis larvae to 11 odorants found in plants using binary choices in a petri dish assay. Study of the biological cycle of spodoptera littoralis boisduval at different temperatures. In this assay, 1hexanol, hexanal and cisjasmone elicited a dosedependent attraction, camphene and eugenol were repellent, while the response to other odorants were less marked. Effect of the extracts of the spiderflower, cleome arabica. Characterization of pif, a gene required for the per os. The cotton leafworm, spodoptera littoralis, is a phytophagous pest and current focal species for insect chemical ecology and neuroethology. Llttoralls 331 metabolic studies with the cotton leafworm, spodoptera littoralis, indicated that the dealkylation of stigmasteml occurs similarly to the pathway in m. Soil drenching with entomopathogenic fungi for control of the soildwelling life stages and adults of the same generation of spodoptera littoralis boisd. The egyptian cotton leafworm, spodoptera littoralis, a destructive insect pest for a wide range of host plants. Effects of bt maize expressing cry1ab and bt spray on. It ranges from southern europe and africa through the middle east and. Effect of gamma irradiation on the susceptibility of the cotton leaf.
Documents about spodoptera littoralis spodli number title download. General information about spodoptera littoralis spodli. Heritability of immune function in the caterpillar spodoptera. Characterization of an egyptian spodoptera littoralis nucleopolyhedrovirus and a possible use of a highly conserved region from polyhedrin gene for. See plants from israel in the plants for planting manual for more information. The growth rate of finalstage larvae of spodoptera littoralis was analysed under 35 nutrient treatments. Frontiers flight attraction of spodoptera littoralis. Effect of sublethal doses of some insecticides and their. Pm 7124 1 spodoptera littoralis, spodoptera litura. Egyptian cottonworm spodoptera littoralis integrated pest. Noctuidae, to infection with nucleopolyhedrosis virus. Eppo standards pm 71241 diagnostic protocol for spodoptera littoralis, spodoptera litura, spodoptera frugiperda, spodoptera eridania. Pdf soil drenching with entomopathogenic fungi for control. Relationship between host plants and toxicity of bacillus thuringiensis formulation against common cutworm, spodoptera litura.
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