Sep 18, 2015 moths rely heavily on pheromone communication for mate finding. The name cutworm refers to the habit of the larvae, of cutting down and partly eating garden and crop plants, especially seedlings. Agrotis segetum wikibooks, open books for an open world. The larvae are known as cutworms because they cut plants and other crops. Media in category agrotis segetum the following 84 files are in this category, out of 84 total. The turnip moth, agrotis segetum denis and schiffermuller lepidoptera. The turnip moth, agrotis segetum uses a series of homologous fattyalcohol acetate esters z5decenyl, z7dodecenyl, and z9 tetradecenyl acetate as its sex pheromone components.
First report of the entomopathogenic nematode, steinernema. A greater yield of virus was obtained from larvae that had moulted after ingestion of. Mating behavior and reproductive potential in the turnip. This file contains additional information such as exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it.
We investigated the lifetime mating potential and the reproductive behavior of male and female turnip moths agrotis segetum schiff. Investigations on the chemical control of cutworms agrotis segetum d. From 1905 to present, cutworm outbreaks have caused substantial yield losses in north western nw europe. E in the bohai strait, where is an immigration during mayjune and emigration during augustoctober pathway for the seasonal migration longdistance movement of many insect species between northeastern region. Potential distribution in australia of agrotis segetum denis. Nematodes stem and bulb ditylenchus dipsaci slippery skin o burkholderia gladioli. Hostsspecies affected top of page agrotis ipsilon has a very wide host range, but seedling crop plants are most seriously damaged. The agrotis ipsilon multiple nucleopolyhedrovirus agipmnpv has been explored as a potential insecticide to control black cutworm on corn and turfgrass 10, 11. Moths rely heavily on pheromone communication for mate finding.
It contains 153 putative, nonoverlapping open reading frames orfs encoding predicted proteins of more than 50 aa, together making up 898 % of the genome. Both agrotis segetum nucleopolyhedrovirus b agsenpvb and agrotis segetum granulovirus agsegv belong to a cluster of four baculoviruses that are infective for different agrotis species. However, only a limited number of prs have been functionally characterized so far and thus evolutionary scenarios suffer from elements of speculation. Molecular characterization and expression profiles of.
Temperature dependent growth and mortality of agrotis segetum. Many of the species are of great importance as cutworms, major agricultural pests whose larvae hide by day and emerge at night to feed. Oviposition deterrents from potato, wheat germ, larval frass. The genome sequence of a polish isolate of agrotis segetum nucleopolyhedrovirus agsenpva was determined and analysed. Denmark 1905, germany 1917, estonia 1930, denmark 1917, 1934, denmark 1959, denmark 1975 and 1976. Author links open overlay panel gianpiero gueli alletti. Contact individual photographers for permission to use for any purpose. Effects of bt maize on agrotis segetum lepidoptera. Plots were treated with suspensions of gv containing 10 6 to 10. The larvae occur from july onwards, at first feeding briefly on the foliage of host plants but later, in common with related species such as agrotis segetum, attacking the roots and adopting a typical cutworm habit.
Agrotis segetum nucleopolyhedrovirus but not agrotis segetum granulovirus replicate in aie1611t cell line of agrotis ipsilon. Biological control potential of north west himalayan strains of. Generally abundant and sometimes a minor pest of young trees and shrubs in nurseries. Zirai muumlautcadele arastailt rma y ll gbreve, no. Analysis of female sex pheromone gland extracts of the turnip moth or common cutworm, agrotis segetum, from zimbabwe revealed three compounds previously identified as sex pheromone components in the swedish population, namely z5decenyl acetate z510. Analysis of the agrotis segetum pheromone gland transcriptome. The turnip moth agrotis segetum is a moth of the family noctuidae. Oct 01, 2000 mortality of first instars of pieris brassicae l. Agrotis segetum agrosedocuments eppo global database. Agrotis ipsilon, the dark swordgrass, black cutworm, greasy cutworm, floodplain cutworm or ipsilon dart, is a small noctuid moth found worldwide.
Report on catches of heliothis armigera, agrotis ipsilon and agrotis segetum in pheromone traps in catalonia spain within the oilb network. Biological control potential of north west himalayan strains. Early authors pointed to dry summers as the trigger. The effect of this exposure to bt maize has not been studied yet. Genomic sequence analysis of the illinois strain of the. Virus yields from agrotis segetum larvae infected in the third, fourth and fifth instar with an a. Here, we report mixedinfection studies of neonate larvae of the common cutworm, agrotis segetum, with two baculoviruses, agrotis segetum nucleopolyhedrovirus b. Apanteles telengai tobias, aleiodes gasteratus jurine and campoletis annulata tschek parasitized significantly more healthy than granulosis virus gv. Moth photographers group agrotis venerabilis 10651.
Pp1 efficacy evaluation of plant protection products. Agrotis segetum name synonyms agrotis affinis stephens, 1829 agrotis aversa walker, 1857 agrotis bilineata cockayne, 1952 agrotis catenatus haworth, 1803 agrotis certificata walker, 1865 agrotis connexa haworth, 1803 agrotis conspurcata walker, 1865 agrotis correcta walker, 1857 agrotis dimidia zeller, 1847. The moth gets its scientific name from black markings on its forewings shaped like the letter y or the greek letter upsilon. Methanol extracts of potato tubers and wheat germ acted as strong deterrents of oviposition for females of the moth agrotis segetum schiffermuller co. The host larvae yielded 15 enicospilus merdarius, 11 macrocentrus spp. Control of agrotis segetum lep noctuidae root crops by. Pdf the release of a pheromonotropic neuropeptide, pban. Class insecta, order lepidoptera, family noctuidae, genus agrotis. Agrotis segetum nucleopolyhedrovirus but not agrotis segetum. The turnip moth, agrotis segetum lepidoptera, noctuidae, is an important pest insect in europe, asia, and africa. Goodman cl, elsayed gn, mcintosh ah, grasela jj, stiles b, 2001. You may do so in any reasonable manner, but not in any way. Development and pheromone communication systems in hybrids. Males were capable of mating repetitively a relatively large number of times mean of 6.
In another study, steinernema feltiae controlled the cutworm, agrotis segetum, as effectively as endosulfan in lettuce under field conditions at 2. Noctuidae, and chilo partellus swinhoe lepidoptera. Central processing of pulsed pheromone signals by antennal. Some test plots were isolated by net tents extending 15 cm into the soil whereas others were not caged. In addition to the plants listed, which are mostly of economic importance, a. Larvae up to 38 mm long are dull brownish to greenish brown, with darkedged. Biological study on the cutworm, agrotis segetum schiff.
Analysis of the agrotis segetum pheromone gland transcriptome in. The species was first described by michael denis and ignaz schiffermuller in 1775. Agrotis segetum moths were captured using searchlight traps at night on the 2. Further research is underway to develop agipmnpv for. Belonging further to different baculovirus genera, namely alphabaculovirus and betabaculovirus, respectively, agsenpvb and agsegv are candidates to investigate virus interactions in coinfections. They are of interest from an evolutionary as well as from a practical point of view when baculoviruses are applied as biocontrol agents. It is a common european species and it is found in africa and across eurasia except for the northernmost parts. Biological control potential of north west himalayan. Mixed infections of insect larvae with different baculoviruses are occasionally found. Not all cutworms are in the genus agrotis, though it may well be the genus that includes the largest number of cutworm. Agrotis segetum denis and schiffermaller is commonly known as the turnip moth and causes considerable damage to crops and vegetables in europe, asia, and africa lv et al.
The pheromone components of most moths are modified from the products of normal fatty acid metabolism by a set of tissuespecific enzymes. It is a common european species and it is found in africa and across eurasia except for the northernmost parts it is a cutworm in the genus agrotis, which possibly is the genus that includes the largest number of species of. The agroclimatic conditions are conducive for the production of offseason vegetables. Agrotis segetum nucleopolyhedrovirus but not agrotis. Agrotis segetum noctuidae turnip moth, tricht, the. Noctuidae, which is the most common and injurious pest of maize seedlings in south africa, is exposed to bt toxin for a part of its life cycle. Pdf effects of bt maize on agrotis segetum lepidoptera. Crambidae are effectively controlled by bt maize that expresses the cry1ab insecticidal protein. Virus stocks of agrotis segetum nucleopolyhedrovirus b agsenpvb and agrotis segetum granulovirus agsegv, isolate da were originally provided by doreen winstanley, horticulture research international hri collection, warwick uk as previously described wennmann et al.
Agrotis segetum occurs in open places and prefers only partly vegetated, warm and more dry sites such as fields, embankments, patches in gardens, sand pits or gappy grasslands. It is a common european species, but is also present in other parts of the world as a rootfeeding pest of both vegetable and cereal crops. The number of precipitation days and the july temperature proved to be important, and in experiments, moist soil caused considerable mortality. Given the high similarity in genome content and organization between spodoptera exigua multiple nucleopolyhedrovirus semnpv and agrotis segetum nucleopolyhedrovirus agsenpv, as well as the high percentages of similarity found between their 30 core genes, the specificity of these npvs was analysed for the respective insect hosts, s. Wed like to understand how you use our websites in order to improve them.
Genome sequence of an enhancin generich nucleopolyhedrovirus. Another noctuid species, the cutworm agrotis segetum denis and schiffermuller lepidoptera. Noctuidae, is one of the most important and destructive cutworm pests in moghan. Noctuidae on tobacco, okra, potato and sugar beet in northern pakistan. Oviposition deterrents from potato, wheat germ, larval. Females of the three parasitoid species that had oviposited previously in gv. This file is licensed under the creative commons attribution 3. The lepidopteran stemborers busseola fusca fuller lepidoptera. Comparative study of pheromone production and response in. Agrotis segetum agroseoverview eppo global database. Molecular characterization of agrotis segetum nucleopolyhedrovirus from poland.
Request pdf molecular characterization of agrotis segetum nucleopolyhedrovirus from poland the turnip moth, agrotis segetum lepidoptera, noctuidae, is an important pest insect in europe. The turnip moth, agrotis segetum uses a series of homologous fattyalcohol acetate esters z5decenyl, z7dodecenyl, and z9 tetradecenyl acetate as its sex pheromone. Establishment and characterization of insect cell lines from 10. Find the perfect turnip moth agrotis segetum stock photo. The release of a pheromonotropic neuropeptide, pban, in the turnip moth agrotis segetum, exhibits a circadian rhythm. Agrotis segetum granulosis virus as a control agent against field populations of agrotis ipsilon and a. Hybrids were obtained by crossing males of the turnip moth agrotis segetum, which has a period of arrested development.
1534 1400 101 1266 347 564 1140 139 1353 345 1246 627 1513 1184 447 1433 765 807 1398 1116 1281 91 1251 117 835 404 1424 1009 1424 1234 1549 362 865 358 329 130 411 722 1433 1350 900