Effect of some biorational insecticides on spodoptera. The occurrence of these species in agricultural systems composed of soy, corn and cotton, which provide a continuous food source, has demanded frequent insecticide applications, increasing the. As seen in sesquiterpenoids, these organisms introduce oxygen atom at their allylic. In the southern states, the larva of beet armyworm is easily confused with southern armyworm, spodoptera eridania cramer, but southern armyworm can be distinguished by the presence of a large dark spot laterally on the first abdominal segment that disrupts the lateral stripe. Noctuidae on different host plants download download pdf. Developmental responses of pieris rapae1 and spodoptera. Eggs of southern armyworm, spodoptera eridania stoll. Low susceptibility of spodoptera cosmioides, spodoptera eridania and spodoptera frugiperda lepidoptera. Spodoptera litura, spodoptera frugiperda, spodoptera eridania. The developmental responses of spodoptera eridania cramer pieris rapae l. Because of the lack of information about the resistance of soybean plants to s. Immature stages of spodoptera eridania lepidoptera. This is the first report of cotesia scotti valerio and whitfield comb. In international trade, the earlier life stages eggs and larvae are being intercepted at point of inspection most frequently, challenging the possibilities of.
Annotated check list of the noctuoidea insecta, lepidoptera of north america north of mexico. Contact individual photographers for permission to use for any purpose. Late instar and metamorphosis of spodoptera pictacks02. Field key to late instars of spodoptera of america north of mexico steven passoa the following key, based on levy and habeck 1976, passoa 1991, godfrey 1987, and pogue 2002, will facilitate the identification of ten spodoptera species known to. All structured data from the file and property namespaces is available under the creative commons cc0 license. Spodoptera linea fabricius spodoptera phytolaccae j. Spodoptera litura, otherwise known as the tobacco cutworm or cotton leafworm, is a nocturnal moth in the family noctuidae. Spodoptera eridania is a polyphagous generalist feeder recorded on 200. This fact underscores the need for studies that analyze the nutrition and development of pests on different hosts. Spodoptera eridania occurs throughout southern usa, central and south america, and the caribbean pogue, 2002. View of biology of spodoptera eridania and spodoptera cosmioides. Spodoptera eridania cramer, spodoptera frugiperda smith, spodoptera littoralis boisduval, and spodoptera litura f.
Spodoptera littoralis, spodoptera litura, spodoptera frugiperda, spodoptera eridania. Biotic potential and reprodutcive parameters of spodoptera eridania stoll lepidoptera, noctuidae in the laboratory. Bttoxin susceptibility and hormesislike response in the. Walker, and spodoptera sunia guenee are con sidered economically important pests whereas spodoptera eridania cramer, spodoptera orni thogalli guenbe, and spodoptera dolichos fabri cius are rarely abundant enough to cause serious damage to honduran crops passoa 1983. Feeding nonpreference by spodoptera frugiperda and spodoptera eridania on tomato genotypes larvae of the genus spodoptera spp. Florida reports that this moth is already found in california and of no consequence here 1 a pest rating proposal is required to support the current pest rating. This study investigated eight biorational products applied singly or in combination against spodoptera eridania cramer in field plots of cabbage intercropped with coriander. Spodoptera eridania the most important species of parasitic wasps observed attacking larvae include meteorus autographae, cotesia marginiventris and chelonus insularis.
The roughly 30 species are distributed across six continents. Spodoptera exigua laphegdocuments eppo global database. Spodoptera eridania name homonyms spodoptera eridania stoll, 1781 common names southern armyworm in english southern armyworm moth in english bibliographic references. 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.
A complete list of the host and origin data for spodoptera spp. Effects of host age, route of infection, and quantity of inoculum on the susceptibility of heliothis virescens, spodoptera eridania, s. Page designed through the cooperative efforts of interagency itis teams. Late instar larva dark form of the southern armyworm, spodoptera eridania stoll. Lagartadasfolhas spodoptera eridania chapter pdf available. The efsa panel on plant health performed a pest categorisation of spodoptera eridania lepidoptera. Common hostorigin combinations for the four most frequently intercepted species of spodoptera s. South carolina pest management handbook for field crops.
Spodoptera eridania has been tradi tionally distinguished by the spot on the first ab dominal segment which interrupts the subspiracu lar line levy and habeck, 1976. When pupating, the caterpillar compresses its body laterally, with each thoracic and abdominal segment becoming more pronounced. The southern armyworm spodoptera eridania is a moth that is known to be a pest. More than 100 species of host plants are reported, many of which are of economic importance eppocabi, 1997, robinson et al. The southern armyworm spodoptera eridania cramer, 1782 lepidoptera. Spodoptera eridania proderdocuments eppo global database. Return to article details biology of spodoptera eridania and spodoptera cosmioides lepidoptera. Spodoptera species 517 monitoring for exotic spodoptera species lepidoptera. However, the term interrupted is somewhat misleading since the spot does not physically sit in the path of the line. The genus spodoptera comprises 31 species, 4 of which are listed as quarantine pests for the european union.
Noctuidae, is the most important noctuid pest in the americas and has recently become an invasive pest in africa. Spodoptera eridania stoll, 1782 noctuidae amphipyrinae synonyms. Southern armyworm, spodoptera eridania edis university of. Ukmoths is built, run and maintained by ian kimber, with thanks to the many kind contributors who provide photos and information. The aim of this study was to evaluate the biology and to compare the food consumption by s. General information about spodoptera eridania proder.
This work aimed to find soybean genotypes with low feeding preference by spodoptera eridania larvae on 23 genotypes evaluated in three experiments, of which iac 100 was established as the resistant genotype and br 16 as the susceptible genotype. Yoshiaki noma, yoshinori asakawa, in comprehensive natural products ii, 2010. This moth is found in asia, with some specific problematic pest population reports occurring in cambodia, hong kong, india, the pacific islands, guam, american. Reproductive potential of spodoptera eridania stoll.
Its common names reference two of the most frequent host plants of the moth. The purpose of this handout is to guide you in the dissection, screening, and identification of moths collected in spodoptera surveys. Larval incidence and defoliation were assessed at 14 days s. Biology and reproductive capacity of spodoptera eridania. Documents about spodoptera eridania proder number title download. The purpose of this handout is to guide you in the dissection, screening, and identification of moths collected in spodoptera. Spodoptera litura an overview sciencedirect topics. However, this hypothesis was not yet tested, nor was the potential sublethal effects.
Development and reproduction of spodoptera eridania. Spodoptera eridania spodoptera cosmioides spodoptera frugiperda cry protein abstract among the pests of cultivated plants, the spodoptera species complex is one of the most important. Spodoptera eridania is now classed as an eppo a1 list of quarantine pests, but it is not listed as a quarantine pest by any other regional plant protection organization. Generalist predators, including bigeyed bugs geocoris spp.
Natural resources institute, university of greenwich, central avenue, chatham maritime, kent me4 4tb, uk. Smith have caused significant damage on soybean glycine max l. Spodoptera cosmioides walker, spodoptera eridania stoll and spodoptera frugiperda j. Larvae have a narrow, almost continuous middorsal white stripe and a prominent yellow stripe along each side, interrupted by a black spot on the first abdominal segment, and are marked with yellowish stripes on the back and along each side.
Feeding nonpreference by spodoptera frugiperda spodoptera. Selection and characterization of the bacillus thuringiensis. Then, the aim of this study was to evaluate the effect. Southern armyworm larvae are gray to nearly black in color. Kevin kavanagh, in reference module in life sciences, 2017 3 spodoptera exigua s. This study aimed to evaluate the biotic potential and reproductive parameters of spodoptera eridania stoll, 1782 under controlled conditions 25 1c, 70 10% rh and 14 hour photophase. Laboratory and field evaluation of spodoptera exempta nucleopolyhedrovirus spexnpv for the control of african armyworm in tanzania. Spodoptera exigua an overview sciencedirect topics. The forewing is usually dark gray or brown, or a combination of both colors. Development and validation of realtime pcr tests for the. Spodoptera eridania cramer is a growing pest in crops that has been causing damage due to defoliation and lesion in reproductive structures, which requires studies of development in different. Files are available under licenses specified on their description page. Image 1263059 is of southern armyworm spodoptera eridania larvae. Southern armyworm, spodoptera eridania stoll, second and third instar larvae on tomato.
This issue may be linked to the low inherent susceptibility of the larvae to some bt toxins. Larval development of spodoptera eridania and spodoptera. Southern armyworm moth spodoptera eridania stoll, 1781. Spodoptera eridania pest rating proposals and final. Much color variation is known for both males and females.
Monitoring for exotic spodoptera species lepidoptera. Farmers had first observed an outbreak of caterpillars that caused severe defoliation on cassava in a 450hectare field near ubiaja in southeastern nigeria in late 2016. Reproductive potential of spodoptera eridania in the laboratory juarez et al. When assayed, the plants from the different nutrient treatments basic nutrient solution, low nitrogen, low sulfur, and 10% of basic nutrient solution had dissimilar chemical profiles with respect to allylisothiocyanate. Larval development of podoptera erdana and podoptera frperda fed on fresh ear of field corn expressing the.
Eeny106 southern armyworm, spodoptera eridania stoll insecta. Southern army leafworm spodoptera eridania ukmoths. Bacillus thuringiensis bt varieties of soybean and cotton have been widely adopted in south america, but defoliation by the southern armyworm spodoptera eridania lepidoptera. As a subtropical species, it is most likely to become established in southern europe.
Southern armyworm, spodoptera eridania stoll insecta. This genus is composed of polyphagous insects that attack, among other crops, cotton, corn, soy and castor bean. Low susceptibility of spodoptera cosmioides, spodoptera. Biology of spodoptera eridania and spodoptera cosmioides. Spodoptera eridania cramer is a polyphagous species that feeds on several crops, causing major damage. It is by central science laboratory, harpenden at british crown. Pm100228 eppo a1 and a2 lists of pests recommended for regulation as quarantine pests 2019. This study aimed to evaluate the development, survival and reproductive capacity of spodoptera eridania in four soybean cultivars. Noctuidae to geneticallymodified soybean expressing cry1ac protein. Laboratory and field evaluation of spodoptera exempta. Noctuidae is a polyphagous species that can feed on plants of several crops such as maize, sorghum, vegetables, tomato.
They are one of the most important defoliators in the tropical and subtropical regions of the western hemisphere that feed heavily on plants while they are young, often resulting in skeleton leaves on their food plants. Pm 7124 1 spodoptera littoralis, spodoptera litura. Abstract the efsa panel on plant health performed a pest categorisation of spodoptera eridania lepidoptera. Hosted by the usgs core science analytics and synthesis. Spodoptera is a genus of moths of the family noctuidae first described by achille guenee in 1852. This document is eeny106, one of a series of the department of entomology and nematology, ufifas extension. The experiment was conducted in the laboratory, in a climatic chamber at 25 c 1 c, 70 10% relative humidity and 12 h photophase. South carolina pest management handbook for field crops 2017 147 grass forage, fodder and hay group and grass grown for seed and pasture and rangeland see the labels armyworms true armyworms pseudaletia unipuncta, fall armyworms spodoptera frugiperda, yellowstripped armyworm s. Researchers recently applied for a usda permit to import 60,000 eggs and larvae of spodoptera eridania into california for field research. David grzywacz1, wilfred mushobozi,2,mark parnell1 flavia jolliffe1and ken wilson3 1.
Details biotic potential and reproductive parameters of. 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. However, the artificial diets used for rearing this insect in the laboratory do not contain corn. Hence, this study evaluates comparative leaf consumption and performance of spodoptera eridania cramer, a species that is tolerant of the cry1ac protein. 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.
Spodoptera eridania spodoptera eridania belongs in the subgroup of spodoptera moths that lack contrasting black, brown, white transverse lines on the forewings. Fao dan cabi food and agriculture organization, cabi. Given their growing importance in the tomato crop, especially for industry, this work aimed to evaluate the. Ang et al late instar carterpillar and metamorphosis of spodoptera picta 242 the caterpillars pupate four to eight days later under the shelter of crinum asiaticum leaves. Simplified field key to late instars of spodoptera of america. Biotic potential and reproductive parameters of spodoptera. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. 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. In addition to the number of couples kept in experimental. The treatments were applied once a week over a 5 week period, beginning 34 days after transplanting. Spodoptera eridania proderoverview eppo global database. Steps for the dissection of male spodoptera moths lepidoptera. Spodoptera eridania southern armyworm attack on cassava in nigeria photo by andrew ajetola. Because spodoptera is a worldwide genus with many polyphagous species, larvae can be intercepted from nearly any origin on most any host.