However, its pest status varies across its distribution range. Phenological model for sesamia nonagrioides lepidoptera. An investigation of sesamia attacks and fumonisin accumulation on 25 maize hybrids sown as a second crop after wheat has been performed under field conditions in central italy in 2000. Population genetics of the mediterranean corn borer sesamia. It is multivoltine, with two to four generations per year, that. The effect of various constant temperatures on survival, development and adult longevity of sesamia nonagrioides lefebvre lepidoptera. Population genetics of the mediterranean corn borer sesamia nonagrioides differs between wild and cultivated plants. Noctuidae, is a widespread insect pest in africa, the middle east, and europe. Maize phenology influences field diapause induction of sesamia nonagrioides lepidoptera. Fumonisin contamination of maize hybrids visibly damaged. Two analytical methods were also used to measure jhiii content. Snjher contains the gqscg instead of the gqsag motif. Sesamia print iconographia zoologica special collections university of amsterdam ubainv0274 057 07 0005.
Evaluation of rice for resistance to pink stem borer sesamia nonagrioides lefebre. Regulated transcripts encoding enzymes supposed to be involved in pheromone biosynthesis are also indicated. Molecular characterization of an ecdysteroid inducible. Noctuidae in mediterranean maize cultivation regions g. First detection of a sesamia nonagrioides resistance allele to bt. The pink stem borer, sesamia nonagrioides lefebvre, is an important constraint for the maize crop in mediterranean regions. 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. The behavioral activity of some trifluoromethyl ketones tfmks as inhibitors of the pheromone activity of the corn stalk borer sesamia nonagrioides lef.
Organisms inhabiting seasonal environments are able to synchronize their life cycles with seasonal cycles of biotic and abiotic factors. Sesamia nonagrioides, the mediterranean corn borer, pink stalk borer or west african pink borer, is a moth of the family noctuidae. Owing to this, complementary measures should be considered to further delay resistance evolution in the ebro valley. The number of generations per year ranges from one in the northwest of the iberian peninsula anonymous 1934 to four in morocco. The mediterranean corn borer, sesamia nonagrioides lefebvre lepidoptera. Sesamia nonagrioides is multivoltine in greece, with 34 generations annually fantinou et al. Diapause, a state of low metabolic activity and developmental arrest, is used by many insect species to cope with adverse conditions. Free phenols in maize pith and their relationship with. Among the metabolites present in maize, phenolic compounds could play an important role in resistance. Insecticide resistance and resistance management susceptibility to the cry1f toxin of field populations of sesamia nonagrioides lepidoptera. Short daylengths 812 h were the main factor inducing diapause in this species, whereas. Distribution maps of plant pests, december wallingford, uk. We do not use these to store personal information about you.
Antibiosis of the pith maize to sesamia nonagrioides. The mediterranean corn borer, sesamia nonagrioides. Dispersal capacity in the mediterranean corn borer. The larvae live in the stems and reveal themselves through holes and dying inner leaves. It is found in spain, southern france, italy and on the balkan peninsula, as well as in northwestern, southwestern and western africa the wingspan is 3040 mm. Effects of mating disruption against the mediterranean. Continuing to use this website means you agree to our use of cookies. We have been studying the factors that control larval diapause of sesamia nonagrioides levebvre, a multivolitine pest of corn, zea mays l. Diapause induction in the stem corn borer, sesamia nonagrioides. Laboratory of plant physiology, department of biology, university of patras, 26504 rio, patras, greece. Pdf phylogeography and population structure of the. First detection of a sesamia nonagrioides resistance. Expression of differential antennal proteins in males and females of an important crop pest, sesamia nonagrioides.
Juvenile hormone content of sesamia nonagrioides larvae reared under different environmental conditions that induce diapause was studied using a bioassay on newlyemerged tribolium confusum pupae. Biology and control of sesamia nonagrioides botanephaga in the. Crambidae, and pyralidae, among which sesamia nonagrioides lef is the prevalent maize pest in the mediterranean region cordero et al. Accepted article monitoring of sesamia nonagrioides resistance to mon 810 maize in the european union. Evaluation of rice for resistance to pink stem borer. Pdf pheromone response inhibitors of the corn stalk.
Insect resistance monitoring report for sesamia nonagrioides. Sesamia nonagrioides chemosensory transcripts differentially expressed in the antennae and palps from larvae from two populations france, kenya. Noctuidae, is one of the most damaging pests of maize in spain and the circummediterranean countries castanera, 1986. Inbreds cm151, co125, and ep39 had antibiotic pith as well as stem resistance, so the pith could play a role in stem resistance. Females insert eggs between the stem and the lower leaf sheaths of maize plants, and soon after hatching the larvae bore quickly. Noctuidae is the main insect pest of maize cultivated in mediterranean areas, causing an increase in broken plants, a reduction in yield and a decline in grain quality. Evaluation of popcorn germplasm for resistance to sesamia. Juvenile hormone and diapause in the mediterranean corn. Courtship and mating behaviour of the mediterranean corn. Noctuidae and the european corn borer ecb, ostrinia nubilalis. The mediterranean corn borer mcb, sesamia nonagrioides lefebvre. First detection of a sesamia nonagrioides resistance allele to bt maize in europe ana m. Adults and immature stages resemble those of other species of sesamia but adults can be positively identified on characters of the male and female genitalia described in tams and bowden 1953. Farinos, pedro hernandezcrespo, felix ortego, pedro castanera.
Expression of differential antennal proteins in males and. The most common life cycle of these arthropods shows from two to four generations per year. Sequence analysis revealed a high degree of conservation among the compared insects f. The development time of different stages of sesamia nonagrioides lefevbre was studied in the laboratory at constant temperatures in the range 1036 degrees c. General information about sesamia nonagrioides sesano this website uses cookies our website uses cookies to ensure that we give you the best possible online experience. Sesamia nonagrioides is a serious pest of corn in the mediterranean regions and central africa. Two corn borers, sesamia nonagrioides lefebvre and. Inhibition of pheromone response in sesamia nonagrioides. Even though its has a limited distribution, there is evidence of geographic variation in development.
Phylogeography of sesamia nonagrioides lepidoptera. Differential expression of the chemosensory transcriptome. Effects of three endophytic entomopathogens on sweet sorghum and on the larvae of the stalk borer sesamia nonagrioides. Brainindependent development in the moth sesamia nonagrioides. Pdf effects of selection for resistance to sesamia. Pdf maize stem response to longterm attack by sesamia. Pdf colleterial glands of sesamia nonagrioides as a. Performance of crosses among flint maize populations under. Inhibition of pheromone response in sesamia nonagrioides by the pheromone of the sympatric corn borer, ostrinia. Effect of thermoperiod on diapause induction of sesamia. We obtained a fulllength cdna of a jherelated gene in sesamia nonagrioides. Effects of three endophytic entomopathogens on sweet.
Extracts from larvae that developed under different conditions of photoperiod and temperature caused different effects in t. Noctuidae in iran inferred from mitochondrial dna by mehdi esfandiari, neda mehravar, hossein motamedi, hamid rajami memari and hossein rajaei download pdf 1 mb. Pdf response of mythimna unipuncta males to components. Females lay their eggs in a few to more than 100 clutches under a leaf. This species completes a variable number of generations per year depending on latitude, ranging from two in. Farins w the ebro valley spain is the only hotspot area in europe where resistance evolution of target pests to cryab protein is most likely, owing to the high and regular adoption of bt maize %. The relationship between the developmental rate 1d and the temperature degree c was determined using both linear and nonlinear logan type iii models. These larvae can feed on sublethal concentrations of bt toxins because the expression of this corn toxin declines after flowering. The pink stem borer sesamia nonagrioides lefebre is one of the most important rice pests in the mediterranean area. A maize synthetic population was improved for resistance to the mediterranean corn borer mcb, sesamia nonagrioides while maintaining yield. The objectives of this research were to investigate whether yield and yield stability of the maize synthetic. Phylogeography and population structure of the mediterranean. Sesamia nonagrioides mediterranean corn stalk borer. Resistance monitoring of field populations of the corn borers sesamia nonagrioides and ostrinia nubilalis after 5 years of bt maize cultivation in spain.
To obtain clues to the link between the molecular mechanism of circadian and photoperiod clocks, we cloned two circadian clock genes, period per and timeless tim from the moth sesamia nonagrioides, which undergoes facultative diapause controlled by photoperiod. The objective of this work was to determine whether a relationship between phenols and the amount of resistance exists. Bacteria isolated from the stem borer sesamia nonagrioides. Colleterial glands of sesamia nonagrioides as a source of the hostrecognition kairomone for the egg parasitoid telenomus busseolae.
Maize stem response to longterm attack by sesamia nonagrioides. Diapause induction in the stem corn borer, sesamia nonagrioides lepidoptera. Pdf brainindependent development in the moth sesamia. The effect of various combinations of photoperiod and temperature on the induction of larval diapause of s. Sesamia nonagrioides sesanooverview eppo global database. Documents about sesamia nonagrioides sesano this website uses cookies our website uses cookies to ensure that we give you the best possible online experience. Sesamia nonagrioides inhabits barrancos canaries, wetlands and other places with the host plants.