Results 211 to 220 of about 49,929 (246)

Mate recognition and reproductive isolation in the sibling species Spodoptera littoralis and Spodoptera litura [PDF]

Frontiers in Ecology and Evolution, 2014
Mate recognition is crucial for reproductive isolation and for maintaining species integrity. Chemosensory-mediated sexual communication with pheromones is an essential component of mate recognition in moths. Confronted with sex pheromone stimuli released from conspecific and closely related heterospecific females, which partially overlap in chemical ...
Paul G Becher, Marie Bengtsson, Peter Witzgall   +2 more
exaly   +6 more sources

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Spodoptera frugiperda (fall armyworm).

CABI Compendium, 2020
The fall armyworm, Spodoptera frugiperda, is a lepidopteran pest that feeds in large numbers on the leaves, stems and reproductive parts of more than 350 plant species, causing major damage to economically important cultivated grasses such as maize, rice,
I. Rwomushana
semanticscholar   +1 more source

Resistance of Spodoptera frugiperda (Lepidoptera:Noctuidae) to spinetoram: Inheritance and cross-resistance to spinosad.

Pest Management Science, 2020
BACKGROUND The use of spinosyn insecticides is one of the major control strategies of the fall armyworm, Spodoptera frugiperda (J. E. Smith) in Brazil. In this study, we selected a spinetoram-resistant strain from a field-population of S.
E. C. Lira, A. Bolzan, A. R. Nascimento, Fernando S. A. Amaral, R. H. Kanno, I. S. Kaiser, C. Omoto   +6 more
semanticscholar   +1 more source

Development and validation of real-time PCR tests for the identification of four Spodoptera species: Spodoptera eridania, Spodoptera frugiperda, Spodoptera littoralis, and Spodoptera litura (Lepidoptera: Noctuidae).

Journal of economic entomology, 2014
The genus Spodoptera comprises 31 species, 4 of which are listed as quarantine pests for the European Union: Spodoptera eridania (Cramer), Spodoptera frugiperda (Smith), Spodoptera littoralis (Boisduval), and Spodoptera litura (F.). In international trade, the earlier life stages (eggs and larvae) are being intercepted at point of inspection most ...
B T L H, Van de Vossenberg, M J, Van der Straten   +1 more
openaire   +1 more source

Selection and characterization of the inheritance of resistance of Spodoptera frugiperda (Lepidoptera: Noctuidae) to chlorantraniliprole and cross-resistance to other diamide insecticides.

Pest Management Science, 2019
BACKGROUND Understanding the genetic basis of insect resistance to insecticides can help to implement insecticide resistance management (IRM) strategies. In this study, we selected a strain of Spodoptera frugiperda (J. E.
A. Bolzan, Fernando E. O. Padovez, A. R. Nascimento, I. S. Kaiser, E. C. Lira, Fernando S. A. Amaral, R. H. Kanno, J. B. Malaquias, C. Omoto   +8 more
semanticscholar   +1 more source

RNAi Screening in Spodoptera frugiperda

2016
RNA interference is a potent and precise reverse genetic approach to carryout large-scale functional genomic studies in a given organism. During the past decade, RNAi has also emerged as an important investigative tool to understand the process of viral pathogenesis.
Subhanita, Ghosh, Gatikrushna, Singh, Bindiya, Sachdev, Ajit, Kumar, Pawan, Malhotra, Sunil K, Mukherjee, Raj K, Bhatnagar   +6 more
openaire   +2 more sources

Detection of a ryanodine receptor target-site mutation in diamide insecticide resistant fall armyworm, Spodoptera frugiperda.

Pest Management Science, 2019
BACKGROUND Fall armyworm (FAW), Spodoptera frugiperda (J.E. Smith), is a major lepidopteran pest in Latin and North America, but very recently invaded the African and Asian continent.
D. Boaventura, A. Bolzan, Fernando E. O. Padovez, D. Okuma, C. Omoto, R. Nauen   +5 more
semanticscholar   +1 more source

In vitro biosynthesis of volicitin in Spodoptera litura

Insect Biochemistry and Molecular Biology, 2005
Volicitin [N-(17-hydroxylinolenoyl)-L-glutamine] and N-linolenoyl-L-glutamine, originally identified in the regurgitant of Spodoptera exigua, induce damaged corn leaves to release volatile compounds which enable parasitic wasps to locate host caterpillars.
Naoko, Yoshinaga, Nobuyoshi, Morigaki, Fumio, Matsuda, Ritsuo, Nishida, Naoki, Mori   +4 more
openaire   +2 more sources

Variation in egg mass scale thickness of three Spodoptera species and its effects on egg parasitoid performance

Journal of Pest Science, 2023
Tian-Hao Li, Yue Ma, Yang-Yang Hou, P. Nkunika, N. Desneux, L. Zang   +5 more
semanticscholar   +1 more source

Intermediates of stigmasterol metabolism in spodoptera littoralis

Steroids, 1989
Stigmasterol-24,28-epoxide, 22E-stigmasta-5,22,24(28E)-trien-3 beta-ol, and 22E-cholesta-5,22,24-trien-3 beta-ol were identified as normal metabolites of [3H]stigmasterol in Spodoptera littoralis larvae. Relative concentrations of all three of these metabolites increased when a diazasterol inhibitor was fed in combination with stigmasterol in the ...
J A, Svoboda, H H, Rees, M J, Thompson, N, Hoggard   +3 more
openaire   +2 more sources