Spodoptera litura is an important polyphagous pest in india, china and japan. Restriction endonuclease analysis of a spodoptera litura nuclear polyhedrosis virus npv isolate rakha h. Spodoptera litura an overview sciencedirect topics. Spodoptera litura, otherwise known as the tobacco cutworm or cotton leafworm, is a nocturnal moth in the family noctuidae. The capsid is capped at both ends by a regular arrangement of protein. Its biology, impact and control on maize production in nigeria article pdf available july 2018 with 3,173 reads how we measure reads. Effects of entomopathogenic fungi on the biology of.
Snellenius manilae bracovirus suppresses the host immune system by regulating extracellular adenosine levels in. Two separate indian studies concerned the potential of s. The efsa panel on plant health plhp performed a pest categorisation of spodoptera litura lepidoptera. Noctuidae, is an economically important insect pest known to attack various agricultural crops. The study on potential of six isolates of slnpv which are originally from east java to control s. For final identification it is necessary that the genitalia are dissected. Spodoptera litura is also a pest of sugarbeet, with infestations presenting in march and peaking in late march and april chatterjee and nayak, 1987. It is assumed that any outbreak will include these forms. As in most other parts of the tropic, these armyworms are subjected to a disease caused by a spodoptera litura nucleopolyhedrovirus spltnpv infection in the field kalshoven 1981. Spodoptera litura underwent the holometabolous type of development and the studies on biology of s. Noctuidae is a regular polyphagous and damaging insect and distributed in the tropical and subtropical areas around the world 21, 22. The spodoptera litura genome elucidates its polyphagy.
One of alternate biological control is spodoptera litura multiple nucleopolyhedrosis virus spltmnpv the research was conducted to determine how spltmnpv infected midgut epithelial cells of s. Zligustilide exerted hormetic effect on growth and. This document is eeny105, one of a series of the entomology and nematology department, ufifas extension. Yoshiaki noma, yoshinori asakawa, in comprehensive natural products ii, 2010. Among susceptible vegetable crops are asparagus, bean, beet, broc. Linking life table and predation rate for biological control. Mar 01, 2010 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. The results revealed that the duration of incubation, larval, prepupa, pupal, adult male and adult female longevities were recorded with an average of 3. Genomic adaptation to polyphagy and insecticides in a major. Developmental and reproductive biology of spodoptera. The objective of this study was to evaluate the development of s. The tobacco cutworm, spodoptera litura lepidoptera, noctuidae, is an important polyphagous pest.
It is established in tropical and subtropical regions where there are no, or few, frost days each year. The aim of this study was to identify whether any process was inhibiting spltnpv infection at some point. Plants were cultivated in a greenhouse and their leaves exerted and cleaned in sodium hypochlorite 4 % to eliminate any possible. Microplitis prodeniae rao and chandry is a solitary endoparasitoid of s. Ijms free fulltext tobacco cutworm spodoptera litura. Sublethal doses of it, when applied to fifthinstars or pupae, caused significant reduction in reproduction and effects on viability. Pm 7124 1 spodoptera littoralis, spodoptera litura. Users should pay special attention to couplets 5 and 6 when identifying spodoptera larvae from high hazard areas. Two experiments freechoice and nochoice tests were conducted to evaluate the oviposition preference of. Spodoptera frugiperda biology sci agric v n p anuaryebruary ture, 70 10 % relative humidity, and a photoperiod of 14h10 l. This moth is found in asia, with some specific problematic pest population reports occurring in cambodia, hong kong, india, the pacific. A new continuous cell line from larval hemocytes of. Analyses on the spreading of spltmnpv spodoptera litura multiple nucleopolyhedrosis virus multiplied in midgut epithelium cell of in third instar of s.
Development of microplitis bicoloratus on spodoptera litura and implications for biological control kaijun luo1,2, john t. This fact underscores the need for studies that analyze the nutrition and development of pests on different hosts. Effect of three spodoptera litura control strategies, viz. The forewings need to be examined carefully because of their color variation and similarity to other nonindigenous as well as native species. The following key is designed to help separate middle to late instar s. The midgut monolayer epithelial cells were infected by spltmnpv, then incubated. Spodoptera is a genus of moths of the family noctuidae first described by achille guenee in 1852. Only the most typical and best known color forms of s.
Biology and efficacy of insecticides against tobacco. Genomic adaptation to polyphagy and insecticides in a. Genus spodoptera 1spodg species spodoptera litura prodli contact eppo. As seen in sesquiterpenoids, these organisms introduce oxygen atom at their allylic. Effects of entomopathogenic fungi on the biology of spodoptera litura.
The duration of egg, larvae, and pupa lasted for an average of 5. 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. 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. The raw data of the developmental time, survivorship, and female daily fecundity of e. Request pdf developmental and reproductive biology of spodoptera litura f. Noctuidae on some of its major weed hosts article pdf available january 2007 with 2,659 reads. Noctuidae is polyphagous pest damaging numerous crops in india and many other countries shivayogeshwara et al. Sep 15, 2015 the tobacco cutworm, spodoptera litura f.
Pdf on jan 1, 2007, sushilkumar and others published biology of spodoptera litura fabricius lepidoptera. D in a completely randomized design with 30 replicates for each host plant. Biological control of tobacco cutworm, spodoptera litura. Dec 01, 2017 the moths spodoptera eridania stoll and spodoptera cosmioides walker are pests of increasing importance in various grain production systems, causing defoliation and damage to reproductive structures of plants. Two windows, one triangular 1a and one rectangular 1b. Development of microplitis bicoloratus spodoptera litura. The spodoptera litura genome elucidates its polyphagy, high. Effects of three spodoptera litura control strategies on. Biology and nutrition of spodoptera frugiperda lepidoptera. Spodoptera litura can be identified by the shape of the structures on the inner surface of the valve.
Spodoptera litura fabricius is a cosmopolitan polyphagous insect pest ofmanyfood crops and tobacco. Noctuidae, is an economically important insect pest known to attack various agricultural crops and is widely distributed in the tropical and temperate zones of asia, australasia, and pacific islands. Promod kumar shakya, masarrat haseeb and uzma manzoor department of plant protection, faculty of agricultural sciences, aligarh muslim university, aligarh, uttar pradesh, india email. The potential of various isolates of spodoptera litura. The aim of this study was to examine the distribution of spltmnpv in s. Biology of tobacco caterpillar, spodoptera litura fab. Download fulltext pdf biology of spodoptera litura fabricius lepidoptera. Spodoptera exigua multinucleopolyhedrovirus semnpv and spodoptera litura nucleopolyhedrovirus spltnpv are genetically similar, but the larvae of s. Snellenius manilae bracovirus suppresses the host immune system by regulating extracellular adenosine levels in spodoptera litura. Pdf mechanism of infection spodoptera litura multiple. Mating status does not influence the flight duration and distance of 2. The most important character to notice is a set of two windows separated by a right angle. Pathogenicity and characteristics of spodoptera litura. 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.
Spodoptera litura is one of agricultural crop pests. This background formed a basis for selection of the topic isolation and characterization of male derived factors modifying the physiology of oviposition in lepidopteran pest spodoptera litura. To assess the potential use of this parasitoid as a biological control agent, the reproductive schedule, fecundity and functional response of m. Jul 02, 2018 spodoptera litura fabricius lepidoptera. A group of asian researchers first proposed a genome project for the tobacco cutworm, spodoptera litura lepidoptera, noctuidae, in 20, drawn to this species as a massively destructive agricultural pest across asia. Published information was used to compile a summary of natural enemies parasitoids, predators and diseases reported attacking spodoptera litura f under field conditions. The midgut monolayer epithelial cells were infected by. The agestage specific survival rate s xj, where x is the age and j is the stage. Hence, spodoptera litura is an appropriate choice to explore and unravel the mechanism underlying the regulation of reproduction. Effects of entomopathogenic fungi on the biology of spodoptera. To explore the possibility of using baculoviruses as biological control agents instead of chemical pesticides, in a previous study we characterized a number of s.
Spodoptera litura below are some characters that are useful to distinguish spodoptera litura from other spodoptera species. No mating took place on the night of emergence and maximum mating response occurred during the second night after emergence. Lethal doses of chlorfluazuron, when applied topically to 5th instars or pupae of s. Spodoptera litura fabricius is a major vegetable pest that is widely distributed throughout tropical, subtropical and temperate regions. Spodoptera litura prodlioverview eppo global database. Cprs and p450s in insects have been found to participate in insecticide resistance. Its common names reference two of the most frequent host plants of the moth.
Noctuidae, were studied under laboratory conditions 26 c, 6080% rh, as was the utilization of the four host plants and adaptation on tobacco. Request pdf biology of tobacco caterpillar, spodoptera litura fab. Spodoptera litura is an emerging pest insect in cotton and arable crops in central asia. Male and female moths exhibit similar flight activity. 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. However, the cpr of the moth spodoptera litura has not been well characterized yet. Comparative biology of spodoptera litura on vegetable and grain. Based on previously obtained transcriptome information, a fulllength.
The moths spodoptera eridania stoll and spodoptera cosmioides walker are pests of increasing importance in various grain production systems, causing defoliation and damage to reproductive structures of plants. Noctuidae on artificial medium spodoptera litura f. Pest categorisation of spodoptera litura 2019 efsa. Pdf biology of spodoptera litura fabricius lepidoptera.
Sublethal doses of it, when applied to fifthinstars or pupae, caused significant reduction in. It is a serious pest of various economically important crops such as cotton, tomato, groundnut, chilli, tobacco, caster, okra and pulses etc. Snellenius manilae bracovirus suppresses the host immune. Restriction endonuclease analysis of a spodoptera litura. 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. Biology of spodoptera litura fabricius lepidoptera. Effects of four host plants on biology and food utilization. Noctuidae 3 host plants the beet armyworm has a wide host range, occurring as a serious pest of vegetable, field, and flower crops. A female moth lays masses of eggs on the underside of. Biology of spodoptera eridania and spodoptera cosmioides. Eeny105 beet armyworm, spodoptera exigua hubner insecta. It is established in tropical and subtropical regions where there are. Abstract the flight activity of spodoptera litura in tethered conditions is evaluated using a computer.
We found significant differences in speed of kill, an important property. Linking life table and predation rate for biological. General information about spodoptera litura prodli. Development of microplitis bicoloratus spodoptera litura and. Laboratory evaluation of flight activity of the common. Noctuidae, is one of the most common and widespread insect pests in asian countries ahmad et al.
Species 71 of insect parasitoids in seven families of hymenoptera and two families of diptera were listed as parasitoids of different stages of s. Sep 25, 2017 the tobacco cutworm, spodoptera litura, is among the most widespread and destructive agricultural pests, feeding on over 100 crops throughout tropical and subtropical asia. Apoptosis is induced in the haemolymph and fat body of. The efficacies of several entomopathogenic nematodes ofsteinernema andheterorhabditis spp. Sep 26, 2017 a group of asian researchers first proposed a genome project for the tobacco cutworm, spodoptera litura lepidoptera, noctuidae, in 20, drawn to this species as a massively destructive agricultural pest across asia.
The roughly 30 species are distributed across six continents. Spodoptera litura is a notorious leaf feeding insect pest of more than one hundred. This moth is found in asia, with some specific problematic pest population reports occurring in cambodia, hong kong, india, the. Sep 19, 2017 spodoptera litura fabricius is a major vegetable pest that is widely distributed throughout tropical, subtropical and temperate regions. Pdf tobacco leaf eating caterpillar, spodoptera litura is one of the most important insect pests of tobacco in nursery as well as in field. Nicotinamide adenine dinucleotide phosphate nadph cytochrome p450 reductases cprs function as redox partners of cytochrome p450 monooxygenases p450s.
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