Pest categorisation of spodoptera litura 2019 efsa. All structured data from the file and property namespaces is available under the creative commons cc0 license. Comparative assays of spli npv and ac mnpv against 2nd instar larvae of spodoptera littoralis revealed 4fold greater susceptibility of s. The nucleopolyhedroviruses npvs, 1 of the 2 genera of this family, have been isolated from many insect orders, primarily from the lepidopterans. A key to the imagines of the eight species occurring in africa and the near east is presented, together with keys to the larvae and pupae of most of these species, including all those of economic importance in this region, as well as brief notes for identifying the eggs of six species. Spodoptera littoralis spodlidocuments eppo global database. Spodoptera definition of spodoptera by the free dictionary. Plant extracts, cotton leafworm spodoptera littoralis, toxicity, biological aspects. Rearing the egyptian cotton leafworm, spodoptera littoralis. Using thinfilm techniques, larvae were exposed to a concentration of 226 cfu cm 2 for 48 h, which caused 84% larval mortality. Flight attraction of spodoptera littoralis lepidoptera. Mating, longevity, fertility and fecundity of the cotton.
Survival strategies of enterococcus mundtii in the gut of. This strain resulted from a laboratory selection with sporecrystal preparations of b, thttringiensis cryic toxin. The egyptian cotton leafworm, spodoptera littoralis boisd is one of the most notorious and destructive phytophagous insect pests in egypt, not only to cotton, but also to other field crops and vegetables 1. The advantage of using this new technique is discussed. Spodoptera littoralis michigan state universitys invasive species factsheets prepared by t. Pearson 1958 reported that longevity varied from 1 to 23 days for males and 528 days for females, while bhatt and patel 2001 reported a lifespan of about 51 days for males and 54 days for. Effects of four host plants on biology and food utilization of the cutworm, spodoptera litura ming xue, 1, a yunhong pang, 1 hongtao wang, 1 qingliang li, 1 and tongxian liu 2, 3, b 1 college of plant protection, shandong agricultural university, taian, shandong 271018, china.
Pdf biology of spodoptera litura fabricius lepidoptera. Bioactivity of some larvicidal agents on cotton leafworm, spodoptera littoralis and some common predators in egypt 9783846514610. Noctuidae on some of its major weed hosts article pdf available january 2007 with 2,664 reads. The panel on plant health undertook a pest categorisation of. Baculoviruses are invertebratespecific pathogens and baculoviral infections cause alterations in the physiology, metabolism and morphology of insects. Spodoptera litura an overview sciencedirect topics. Crowding shortened the larval duration and caused a reduction in the survived larvae. Part of the methods in molecular biology book series mimb, volume 2085. The distribution and migration of spodoptera littoralis boisduval. 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. Biotransformation of acyclic, monocyclic, and bicyclic monoterpenoids by various bacteria, fungi, insect larvae, such as spodoptera litura, and mammals, such as rabbits and possums, and human and rat cytochrome enzyme is summarized.
Like most lepidopteran larvae, cotton leafworms possess a. Identification notes for spodoptera litura and spodoptera littoralis lepidoptera. Files are available under licenses specified on their description page. Spodoptera synonyms, spodoptera pronunciation, spodoptera translation, english dictionary definition of spodoptera. Inhibition of spodoptera frugiperda phenoloxidase activity. Cultivars of saccharine sorghum brs 506, brs 509 and brs 511were evaluated. Effect of host plants on biology of spodoptera littoralis boisd. Pest and disease management hand book british crop. Spodoptera littoralis, spodoptera litura, spodoptera frugiperda, spodoptera eridania.
Bacteria with mutations affecting the rhabduscin synthesis. Francoise bozzolan for their help with molecular biology experiments. The female moths typically emerge first during the season, and live longer than males. Spodoptera moths whose larvae are armyworms genus spodoptera arthropod genus a genus of arthropods family noctuidae, noctuidae cutworms. Mediterranean climbing cutworm spodoptera littoralis was attacking the plants. The genus spodoptera currently contains 22 species of which seven are found in africa, one of them, s. Characterization of multisugarbinding ctype lectin. Inheritance of resistance to the bacillus thuringiensis. Intracellular localization of p102 green around the nuclei red of hemocytes of s. Noctuidae is one of the most destructive pests of several crops such as cotton, corn, peanut, clover, vegetables and various fruits in.
Of 27 plant species belonging to 16 families used in acceptance and support of growth test, 8 were refused, 5 were eaten to some extent and 14 supported growth. Iron is an essential nutrient for almost all organisms, but it is also a potent toxin because it can catalyze oxidative reactions that are destructive to cells. The moth was restrained in a disposable plastic pipette tip, which was cut to allow. Tolerance of the egyptian cotton leafworm spodoptera littoralis. 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 capsid is capped at both ends by a regular arrangement of protein. We evaluated the impact of bacterial rhabduscin synthesis on bacterial virulence and phenoloxidase inhibition in a spodoptera model. The significance of these results in relation to the phytoecdysteroid content of the larval host plants of s. Terpenoids are toxic compounds produced by plants as a defense strategy against insect herbivores. Pdf mate recognition and reproductive isolation in the. Noctuidae is polyphytophagous, damaging numerous vegetables and field crops in china and.
Feeding and life history of spodoptera exigua lepidoptera. In the middle of this micropylar area we observe a circular space19. Spodoptera litura is also known as the oriental leafworm moth, cluster caterpillar, cotton leafworm, tobacco cutworm, tropical armyworm, taro caterpillar, tobacco budworm, rice cutworm, and cotton cutworm. Pdf gross pathology of splinpvs and alterations in.
Spodoptera littoralisis a destructive pest of subtropical and tropical agriculture, and has the potential to be a serious pest of glasshouse crops in. This page was last edited on 10 december 2014, at 19. Jan 20, 2015 the panel on plant health undertook a pest categorisation of spodoptera littoralis boisduval for the territory of the european union eu. The distribution and migration of spodoptera littoralis boisduval lepidoptera.
The lectin of spodoptera littoralis is still uncharacterized. Spodoptera litura, otherwise known as the tobacco cutworm or cotton leafworm, is a nocturnal moth in the family noctuidae. These instructions will help you distinguish spodoptera litura and littoralis, the targets of. A history of the changes in nomenclature within the genus spodoptera is outlined.
Here, we show that the rapid activation of cladea mitogen activated protein kinases mapks mpk3 and mpk6 by wounding depends on the upstream mapk kinases. 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. Abiotic and biotic factors cause plant wounding and trigger complex short and longterm responses at the local and systemic levels. Egyptian cottonworm spodoptera littoralis integrated pest.
Evaluation of insecticides on tobacco caterpillar, spodoptera litura mohd. Keys about fact sheets glossary larval morphology references. We tested the effect of origanum vulgare terpenoids on the generalist herbivore spodoptera littoralis and the response of the plant to herbivory. Documents about spodoptera littoralis spodli number title download. Spodoptera littoralis spodlioverview eppo global database. To examine the effects of large roads on insect movements, the egyptian cotton leaf worm moth spodoptera littoralis was used as a model species in a markrecapture experiment. Some effects of temperature and larval food on the development of spodoptera littoralis boisd. Journal of bioinformatics and systems biology 3 2020. Noctuidae, in relation to meteorology on cyprus, interpreted from maps of. Our findings indicate that persistence of both the biopesticides was significantly reduced at 21 day postapplication when tested against first instar larvae of the s. Developmental and reproductive biology of spodoptera.
Ijms free fulltext origanum vulgare terpenoids induce. 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. Female pupae were kept in a rearing chamber until adult emergence. Here, we experimentally address the antimicrobial activity of a culturable gut symbiotic bacterium in the cotton leafworm spodoptera littoralis lepidoptera, noctuidae, which represents one of the most polyphagous and widespread insect herbivores in the temperate regions, causing substantial economic losses in crop production. Host plant shifting affects the biology of spodoptera littoralis boisd. 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. Moth photographers group spodoptera littoralis 19640. Mar 15, 2019 current analysis studies the biology and determines the nutritional indexes of spodoptera frugiperda in saccharine sorghum. The results showed that the early events upon herbivore attack were. Candidate chemosensory genes in female antennae of the noctuid moth spodoptera littoralis. Spodoptera littoralis boisduval for the territory of the european union eu. Occurrence, abundance, and efficiency of some local parasitoids attacking spodoptera littoralis lepidoptera. We first showed that the rhabduscin cluster of the entomopathogenic bacterium xenorhabdus nematophila was not necessary for virulence in the larvae of spodoptera littoralis and spodoptera frugiperda. The filtrate induced deleterious histological changes, with clear signs of.
Emmanuelle jacquinjoly 1,2, fabrice legeai 3, nicolas montagne 1,2, christelle monsempes 1,2, mariechristine francois 1,2, julie poulain 4, frederic gavory 4, william b. Noctuidae y bemisia tabaci gennadius hemipteraaleyrodidae. Candidate chemosensory genes in female antennae of the. Noctuidae, on various crops morphological discrimination of the adult, pupal and larval stages. The mechanisms adopted to ensure mating success, fertility and fecundity ofs. On the host preference and biology of the cotton leaf worm.
Toxicity of insecticides on the larval stages of spodoptera litura fab. Histological and nucleicacid alterations induced by streptomyces lavendulae streptomycetaceae culture filtrate on the 2nd instar larvae of spodoptera littoralis boisd. Effects of feeding spodoptera littoralis on lima bean leaves. Effects of four host plants on biology and food utilization of the. Michigan state universitys invasive species factsheets. The male moths usually mate only once a night but they mate repeatedly during most of their life span, and practically all their spermatophores are equally efficient for inseminating a female. Keywords spodoptera littoralis, toxicity, molecular phylogeny, nucleopolyhedrovirus, splinpv 1. The effect of lipoidal matter of neem fruits and leaves on spodoptera littoralis development and reproduction. Promod kumar shakya, masarrat haseeb and uzma manzoor department of plant protection, faculty of agricultural sciences, aligarh muslim university, aligarh, uttar pradesh, india email. These caterpillars are very polyphagous, causing important economic losses in both greenhouses and open field in a broad range of. Biodiversity and activity of the gut microbiota across the. The egyptian cottonworm is a highly polyphagous defoliator of many cultivated plants. Effect of tetranortriterpenoid on the fourth and fifth. While adw staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control.
Roads are a growing mosaic in the landscape, splitting and reducing the area of natural habitats of organisms. Control of cotton leafworm, spodoptera littoralis boisduval. Spodoptera littoralis an overview sciencedirect topics. Since the food is kept constant during development, factors from the insect host and certain microbial symbionts are assumed to control the composition of the microbiome.
Steps for dissection of male spodoptera moths lepidoptera. Spodoptera littoralis pupae were obtained from a laboratory culture kept at the swedish university of agricultural sciences, alnarp, sweden. It shows only one micropylar area, with the typical figure of a marguerite localized on the apical zone fig. The purpose of this handout is to guide you in the dissection, screening, and identification of moths collected in spodoptera surveys. Biological activity of ajuga iva extracts against the. The larvae of spodoptera littoralis fed on a wide variety of plants. While leaf physical and chemical traits of high elevation plants were modified by the warming treatment, these changes did not result in predictable effects on plant resistance against herbivores. Terpenoids were analyzed by gcfid and gcms and quantitative gene expression qpcr was evaluated on selected plant genes involved in both terpene. General information about spodoptera littoralis spodli name language.
Introduction the egyptian cotton leafworm, spodoptera littoralis boisd is one of the most notorious and destructive phytophagous insect pests in egypt, not only to cotton, but also to other field crops and vegetables 1. Behavioral effect of plant volatiles binding to spodoptera littoralis. The capsid structure is poorly known but examination of spodoptera litura granulosis virus slgv capsids by optical diffraction has shown that the outer shell is formed as a stacked ring of subunits with a 12 start helix repeating every third ring burley et al. Larvae of spodoptera littoralis, a lepidopteran pest which is prevalent in tropical and subtropical regions of the world, have a tubelike gut structure containing a simple. Noctuidae on different host plants article pdf available in annals of the entomological society of america 94jul 2001. Effects of four host plants on biology and food utilization.
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. Bioassay for testing arabidopsis resistance to the generalist herbivore spodoptera littoralis. The egyptian cotton leafworm spodoptera littoralis is remarkably resistant to. Scientific opinion on the pest categorisation of spodoptera. View spodoptera littoralis research papers on academia. The cotton leafworm, spodoptera littoralis boisduval, 1833. Spodoptera littoralis georgia invasive species task force. The symbiotic microbial consortium in the gut of spodoptera littoralis shows dramatic, but reproducible changes in line with the development of the insect from the egg via six larval instars to the pupa. Pdf on aug 1, 2017, hassan dahi and others published. It has been recorded several times in the uk, and even though it has been intercepted at u. Moths were prepared for intracellular recordings as described by anton and hansson.
Spodoptera littoralis lepidoptera, noctuidae was obtained from dept. For a more detailed description of the biology of s. The mustard trypsin inhibitor 2 affects the fertility of spodoptera littoralis larvae fed on transgenic plants. Mate recognition and reproductive isolation in the sibling species spodoptera littoralis and spodoptera litura. The viruses within the family baculoviridae are specific pathogens of insects. In the past ten years, the study of the interaction between larvae of the mediterranean climbing cutworm spodoptera littoralis boisd. The genus spodoptera lepidoptera, noctuidae in africa. It is a highly polyphagous organism that is a pest of many cultivated plants and crops.
The complex interaction between a higher organism and its resident gut flora is a subject of immense interest in the field of symbiosis. Effect of tetranortriterpenoid on the fourth and fifth larval instar of spodoptera littoralis. Effect of three plant extracts on some biological aspects of. The egg of spodoptera littoralis is spheroidal, measuring 0. As seen in sesquiterpenoids, these organisms introduce oxygen atom at their allylic. Pm100228 eppo a1 and a2 lists of pests recommended for regulation as quarantine pests 2019. These responses are under the control of complex signaling pathways, which are still poorly understood. Request pdf on the host preference and biology of the cotton leaf worm spodoptera littoralis. 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. This moth is found in asia, with some specific problematic pest population reports occurring in cambodia, hong kong, india, the pacific islands, guam, american. The egyptian cotton leafworm, spodoptera littoralis boisd.
Biodiversity and activity of the gut microbiota across the life history of the insect herbivore spodoptera littoralis. Spodoptera litura, also known as tobacco cutworm is a serious pest of many crops. Methodology a single orf encoding a deduced polypeptide consisting of an 18residue signal peptide and a 291residue mature peptide, termed spli lec, was isolated from the haemolymph of the cotton leafworm, s. The efsa panel on plant health plhp performed a pest categorisation of spodoptera litura lepidoptera. Pdf insecticides application and the egyptian cotton leafworm.
Wounding and insect feeding trigger two independent mapk. Eggs are somewhat flattened, spherical, and laid in clusters with a felt. Tween 20 was injected into 10 male 3dayold pupae of spodoptera littoralis 5. Mate recognition and reproductive isolation in the sibling. A single product of the expected size was identified in protein extracts from spodoptera littoralis larval hemocytes by western blot analyses, using the antip102 antiserum a. Thus, we investigated 1 the cellular and subcellular h 2 o. Its common names reference two of the most frequent host plants of the moth. Effect of tetranortriterpenoid on the fourth and fifth larval instar of. Three of the species found in africa are significant pests.
For this reason, in our study spodoptera littoralis boisd. Characterization of an egyptian spodoptera littoralis. It is important to recognize these physiological and symptomatologic changes to understand baculovirus infection cycle and biology. Transcriptional profiling of transferrin gene from egyptian cotton leaf worm, spodoptera littoralis. Spodoptera littoralisis a destructive pest of subtropical and tropical agriculture, and has the potential to be a serious pest of glasshouse crops in northern europe. Yoshiaki noma, yoshinori asakawa, in comprehensive natural products ii, 2010. This ranking characterizes spodoptera littoralis as quarantine significant for the u. Many insects harbor a complex community of microorganisms in their gut. 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. Spodoptera littoralis wikipedia, a enciclopedia livre. Spodoptera littoralis larvae damage many agricultural plants, particularly cotton. Introduction the egyptian cotton leafworm clw, spodoptera littoralis boisduval lepidoptera. The epub format uses ebook readers, which have several ease of. The african cotton leafworm spodoptera littoralis, a major crop pest worldwide, is controlled by chemical insecticides, leading to serious resistance problems.
A strain of spodoptera littoralis boisduval, selected for resistance to the bacillus thuringiensis cryic toxin, was used to analyze the inheritance of resistance. Functional analysis of an immune gene of spodoptera. Download fulltext pdf biology of spodoptera litura fabricius lepidoptera. Occurrence, abundance, and efficiency of some local. Effects of feeding spodoptera littoralis on lima bean. Gooch as a part of michigan state university ipm program and m. Guirong wang, in progress in molecular biology and translational science, 2015. The biology of the cotton leaf worm spodoptera littoralis is affected by the level of larval population density. Ajuga plants contain phytoecdysteroids analogs of arthropod steroid hormones that regulate metamorphoses and clerodanes diterpenoids exhibiting antifeedant activity. Plant physical and chemical traits associated with.
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