Development and validation of realtime pcr tests for the. The larvae of spodoptera littoralis fed on a wide variety of plants. Characterization of an egyptian spodoptera littoralis. Spodoptera littoralis boisduval for the territory of the european union eu. On the host preference and biology of the cotton leaf worm spodoptera littoralis bois. Spodoptera eridania, spodoptera frugiperda, spodoptera littoralis, and spodoptera litura lepidoptera. The purpose of this handout is to guide you in the dissection, screening, and identification. This moth is found in asia, with some specific problematic pest population reports occurring in cambodia, hong kong, india, the pacific islands, guam, american.
Moth photographers group spodoptera littoralis 19640. The longevity and egg production were significantly affected when the moths were fed on a sucrose diet containing 17. It also functions as a screening aid to help recognize two exotic species, s. 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. Eggs are somewhat flattened, spherical, and laid in clusters with a felt. Gooch as a part of michigan state university ipm program and m. Introduction the egyptian cotton leafworm clw, spodoptera littoralis boisduval lepidoptera. The purpose of this handout is to guide you in the dissection, screening, and identification of moths collected in spodoptera surveys. Bioactivity of some larvicidal agents on cotton leafworm, spodoptera littoralis and some common predators in egypt. This pest was first recorded in africa in 2016, but detailed information on its distribution and damage and farmers response in invaded areas are largely lacking. The biology of spodoptera littoralis on tomato and potato was studied in the laboratory at 251c and 655% rh. Occurrence, abundance, and efficiency of some local. The animal diversity web is an educational resource written largely by and for college students.
Eppo standards pm 71241 diagnostic protocol for spodoptera littoralis, spodoptera litura, spodoptera frugiperda, spodoptera eridania. Two other rocaglamides 235 and a novel bridged example 236 were. Effect of three plant extracts on some biological aspects of. In this study, we determined faw distribution, genetic diversity. The survival rates were 26% on tomato and 19% on potato. Spodoptera is a genus of moths of the family noctuidae first described by achille guenee in 1852. The present studies were undertaken at department of entomology, college of agriculture, dapoli m. 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. Expression of insectinducible transcription factors in wildtype and coi11. Occurrence, abundance, and efficiency of some local parasitoids attacking spodoptera littoralis lepidoptera. Differential contribution of transcription factors to. The egyptian cotton leafworm, spodoptera littoralis boisd.
Effect of tetranortriterpenoid on the fourth and fifth. Spodoptera litura underwent the holometabolous type of development and the studies on biology of s. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. Spodoptera moths whose larvae are armyworms genus spodoptera arthropod genus a genus of arthropods family noctuidae, noctuidae cutworms. Pdf insecticides application and the egyptian cotton leafworm. The duration of the oviposition period was about 2 days on both hosts.
Terpenoids were analyzed by gcfid and gcms and quantitative gene expression qpcr was evaluated on selected plant genes involved in both terpene. The life cycle was successfully completed on both hosts. Spodoptera littoralis michigan state universitys invasive species factsheets prepared by t. Noctuidae, were studied under laboratory conditions. We tested the effect of origanum vulgare terpenoids on the generalist herbivore spodoptera littoralis and the response of the plant to herbivory. Plants were challenged for 5 h with fourthfifth instar larvae or for 8 days with firstinstar larvae. Spodoptera littoralis an overview sciencedirect topics.
Crowding shortened the larval duration and caused a reduction in the survived larvae. Effect of the extracts of the spiderflower, cleome arabica. Effects of four host plants, tobacco, chinese cabbage, cowpea and sweet potato, on larval and pupal development and survival, and longevity and fecundity of adults of spodoptera litura f lepidoptera. Spodoptera species department for environment, food and. The immunosuppressed phenotype shows both encapsulation and melanization disruption. 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.
Spodoptera littoralis spodlioverview eppo global database. Control of cotton leafworm, spodoptera littoralis boisduval. Effect of tetranortriterpenoid on the fourth and fifth larval instar of. Guirong wang, in progress in molecular biology and translational science, 2015. 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. On the host preference and biology of the cotton leaf worm.
Terpenoids are toxic compounds produced by plants as a defense strategy against insect herbivores. Spodoptera litura an overview sciencedirect topics. Yoshiaki noma, yoshinori asakawa, in comprehensive natural products ii, 2010. Rnai silencing of this gene by dsrna oral uptake results in immunosuppression. The two old world cotton leafworm species, spodoptera litura and s. Bioactivity of some larvicidal agents on cotton leafworm, spodoptera littoralis and some common predators in egypt 9783846514610. Mar 15, 2019 current analysis studies the biology and determines the nutritional indexes of spodoptera frugiperda in saccharine sorghum. 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 littoralisis a destructive pest of subtropical and tropical agriculture, and has the potential to be a serious pest of glasshouse crops in northern europe. Comparative assays of splinpv and acmnpv against 2 nd instar larvae of spodoptera littoralis revealed 4fold greater susceptibility of s. Effects of four host plants on biology and food utilization. Heat map representing transcription factors induced in response to spodoptera littoralis in col0 and their expression in the coi11 mutant. Spodoptera littoralis georgia invasive species task force. All photos included on this page can only be used for educational purposes.
An immune gene has been identified in spodoptera littoralis 102 sl. 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. Cultivars of saccharine sorghum brs 506, brs 509 and brs 511were evaluated. Noctuidae is a monetarily essential polyphagous pest. 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. Spodoptera littoralis, also referred to as the african cotton leafworm or egyptian cotton. 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. Noctuidae is one of the most destructive pests of several crops such as cotton, corn, peanut, clover, vegetables and various fruits in. Journal of bioinformatics and systems biology 3 2020. Studies related to the effect of insecticides on insect pests and nontarget organisms, such as natural enemies, are traditionally accessed by the estimative of lethal effects, through mortality data. The biology of canthoconidia furcellata was studied in the laboratory with a view to using this predator in an integrated pest management programme for tobacco pests. The biology of the cotton leaf worm spodoptera littoralis is affected by the level of larval population density. Spodoptera definition of spodoptera by the free dictionary.
Spodoptera littoralis wikipedia, a enciclopedia livre. Next, these identified genes were searched and verified against ncbi nonredundant protein sequences database using tblastx program. A novel ctype immulectin3 from manduca sexta is translocated from hemolimph. The panel on plant health undertook a pest categorisation of. The danish agricultural agency is an agency under the ministry of environment and food of denmark. Its common names reference two of the most frequent host plants of the moth. The biology of the cotton leafworm, spodoptera littoralis. The nucleopolyhedroviruses npvs, 1 of the 2 genera of this family, have been isolated from many insect orders, primarily from the lepidopterans. Effects of entomopathogenic fungi on the biology of spodoptera. Plantinsect bioassay for testing arabidopsis resistance to. The biology of spodoptera littoralis on cowpea vigna unguiculata, soyabean and kidney bean phaseolus vulgaris was studied in the laboratory at 251c and 655% rh. March 15, 2014 biology and ecology spodoptera littoralis larvae damage many agricultural plants, particularly cotton venturini, 1975. The duration of egg, larvae, and pupa lasted for an average of 5.
Biology and nutrition of spodoptera frugiperda lepidoptera. 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. Maize farmers in subsaharan africa recently experienced unusual damage in their farms, attributed to the fall armyworm faw spodoptera frugiperda j. Effect of nutrition on the biology of the cotton leafworm, spodoptera littoralis boisd. Steps for the dissection of male spodoptera moths lepidoptera. The ricecotton cutworm generalist plantfeeding moth. Adw doesnt cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Spodoptera littoralis spodliphotos eppo global database.
Adults feed on nectar, and females oviposit on the leaves of. Plantinsect bioassay for testing arabidopsis resistance. Nov 17, 2019 here, we describe a detailed and reproducible protocol for testing feeding behavior of the generalist herbivore spodoptera littoralis on the model plant arabidopsis thaliana and hence infer the contribution of jamediated plant defense responses to a chewing insect. 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. Among these compounds, dimboa and mboa are considered to be the most important allelochemicals in the grass family veenstra et al. Noctuidae y bemisia tabaci gennadius hemipteraaleyrodidae. Development and validation of realtime pcr tests for the identification of four spodoptera species. Developmental and reproductive biology of spodoptera litura. The mustard trypsin inhibitor 2 affects the fertility of spodoptera littoralis larvae fed on transgenic plants. The advantage of using this new technique is discussed. Most mortalities on tomato and potato occurred during the larval stage 72 and 75%, resp.
These caterpillars are very polyphagous, causing important economic losses in both greenhouses and open field in a broad range of. Spodoptera littoralis can be distinguished from native species using genitalic characters. Current analysis studies the biology and determines the nutritional indexes of spodoptera frugiperda in saccharine sorghum. Spodoptera littoralis was collected from ohio greenhouses. Scientific opinion on the pest categorisation of spodoptera.
Functional analysis of an immune gene of spodoptera. Host plant shifting affects the biology of spodoptera littoralis boisd. 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. The viruses within the family baculoviridae are specific pathogens of insects. Promod kumar shakya, masarrat haseeb and uzma manzoor department of plant protection, faculty of agricultural sciences, aligarh muslim university, aligarh, uttar pradesh, india email. Search results for spodoptera littoralis morebooks. Noctuidae, is an economically important insect pest known to attack various agricultural crops. The effect of lipoidal matter of neem fruits and leaves on spodoptera littoralis development and reproduction. As seen in sesquiterpenoids, these organisms introduce oxygen atom at their allylic. General information about spodoptera littoralis spodli eppo global database.
Part of the methods in molecular biology book series mimb, volume 2085. Control of spodoptera littoralis through moth and eggs. Plant extracts, cotton leafworm spodoptera littoralis, toxicity, biological aspects. Adults feed on nectar, and females oviposit on the leaves of crop. The sublethal effects of insecticides in insects intechopen. Data sheets on quarantine pests spodoptera littoralis and spodoptera litura. Many authors have regarded them as the same species. An egyptian isolate of spodoptera littoralis nucleopolyhedrovirus splinpv was tested for its potential as biocontrol agent in comparison to autographa californica multiple nucleopolyhedrovirus acmnpv. The staff of the danish agricultural agency, a total of approximately 1,200 strives countrywide to create the optimal conditions for sustainable growth and green transformation in the fields of. Rearing the egyptian cotton leafworm, spodoptera littoralis. Effect of tetranortriterpenoid on the fourth and fifth larval instar of spodoptera littoralis. For publication in journals, books or magazines, permission should be obtained from the original photographers with a.
Spodoptera litura, otherwise known as the tobacco cutworm or cotton leafworm, is a nocturnal moth in the family noctuidae. Michigan state universitys invasive species factsheets. The effect of lipoidal matter of neem fruits and leaves. It is a highly polyphagous organism that is a pest of many cultivated plants and crops. Spodoptera species uk plant health information portal.
Spodoptera littoralis was chosen because it is a highly polyphagous insect brown and dewhurst 1975. Developmental and reproductive biology of spodoptera. It has been recorded several times in the uk, and even though it has been intercepted at u. The roughly 30 species are distributed across six continents. Some effects of temperature and larval food on the development of spodoptera littoralis boisd. Ijms free fulltext origanum vulgare terpenoids induce. No mating took place on the night of emergence and maximum mating response occurred during the second night after emergence. Holloway 1989 and is an economically important pest of cotton, vegetables, and ornamentals, and resistant populations cause severe problems in various regions of tunisia. Gene identification was carried out with heliothis virescens 46, spodoptera littoralis 24, 27, 47 and b. The egyptian cottonworm is a highly polyphagous defoliator of many cultivated plants. Spodoptera synonyms, spodoptera pronunciation, spodoptera translation, english dictionary definition of spodoptera.
931 130 228 271 753 282 1117 1323 907 348 1398 1401 1653 1014 985 551 1101 492 393 433 1191 271 618 401 1448 1266 583 657 1127 2 194 1481 830