Results 51 to 60 of about 99,054 (160)

Population Dynamics of Six Major Insect Pests During Multiple Crop Growing Seasons in Northwestern New Mexico

open access: yesInsects, 2019
This study was conducted to monitor the population dynamics of six major insect pests at the NMSU Agricultural Science Center at Farmington (ASC-Farmington) and within an adjacent commercial farm (Navajo Agricultural Products Industry, NAPI) for more ...
Koffi Djaman   +5 more
doaj   +1 more source

Fungal infection affects sexual signalling and mate choice in the sugarcane borer

open access: yesEcological Entomology, EarlyView.
Fungus‐infected Diatraea saccharalis females exhibit enhanced attractiveness to males in wind tunnel assays. Fungal infection alters the pheromone profile of females, increasing the relative abundance of Z9‐16: Ald, a minor but behaviourally active component of the species' sex pheromone blend.
Amanda C. Tuler   +3 more
wiley   +1 more source

Full‐length coding sequence analysis of the voltage‐gated sodium channel and acetylcholinesterase genes reveals target‐site mutations and acetylcholinesterase gene duplication in housefly (Musca domestica) populations in Japanese livestock barns

open access: yesMedical and Veterinary Entomology, EarlyView.
We simultaneously analysed insecticide resistance mutations in VGSC and AChE using NGS and hybridization probe capture in houseflies collected from livestock facilities for the first time. Resistance mutations in both VGSC and AChE were detected in most wild populations, suggesting widespread distribution of resistance genes.
Mikie Nakagawa   +7 more
wiley   +1 more source

Bycatch of common pollinators in pheromone baited traps for monitoring corn earworm (Lepidoptera: Noctuidae) in Missouri Industrial Hemp

open access: yesJournal of Cannabis Research
Background Several traps are recommended for monitoring corn earworm, Helicoverpa zea (Boddie), an important pest of field, vegetable and fruit crops in the U.S. These traps, which are meant to capture H. zea in many cases end up capturing other insects.
Clement Akotsen-Mensah   +3 more
doaj   +1 more source

Potential for Grain Sorghum as a Trap and Nursery Crop for Helicoverpa zea and Its Natural Enemies and Dissemination of HearNPV into Cotton

open access: yesAgronomy
Experiments were conducted in 2020 and 2021 in College Station, TX; Stoneville, MS; and Blackville, SC, to evaluate the potential of grain sorghum to serve as a trap crop for Helicoverpa zea (Boddie), a nursery crop for natural enemies of H.
Wilfrid Calvin   +4 more
doaj   +1 more source

Intercropping and low‐rate banded fertilizer to reduce nitrogen leaching in sweet corn

open access: yesCrop, Forage &Turfgrass Management, Volume 12, Issue 2, December 2026.
Abstract Water quality can be impacted by agricultural production on coarse‐textured, low organic matter soils where groundwater is shallow. This study investigated the effects of intercropping, decreased nitrogen rate, and precision nitrogen placement as nitrate leaching reduction strategies on sweet corn (Zea mays L.) yield.
Emma L. Schmidt, Jed B. Colquhoun
wiley   +1 more source

Common receptor for Bacillus thuringiensis toxins Cry1Ac, Cry1Fa, and Cry1Ja in Helicoverpa armigera, Helicoverpa zea and Spodoptera exigua [PDF]

open access: yes, 2015
Binding studies using 125I-Cry1Ac and biotinylated Cry1Fa toxins indicate the occurrence of a common receptor for Cry1Ac, Cry1Fa, and Cry1Ja in Helicoverpa armigera, Helicoverpa zea, and Spodoptera exigua.
Hernández Rodríguez, Carmen Sara   +1 more
core   +1 more source

Genomic innovations, transcriptional plasticity and gene loss underlying the evolution and divergence of two highly polyphagous and invasive Helicoverpa pest species

open access: yesBMC Biology, 2017
Background Helicoverpa armigera and Helicoverpa zea are major caterpillar pests of Old and New World agriculture, respectively. Both, particularly H. armigera, are extremely polyphagous, and H. armigera has developed resistance to many insecticides. Here
S. L. Pearce   +61 more
doaj   +1 more source

Spodoptera litura (Lepidoptera: Noctuidae) Adult Abundance and Larval Host Plant Use in the Ord River Irrigation Area, Western Australia

open access: yesAustral Entomology, Volume 65, Issue 4, November 2026.
ABSTRACT Spodoptera litura (Fabricius) is a highly polyphagous lepidopteran pest; however, little is known about its seasonal population dynamics or larval host plant use in northern Australia. Improved understanding of the ecology of S. litura is increasingly important given the anticipated expansion of Bacillus thuringiensis (Bt) cotton production in
Sharna Holman   +3 more
wiley   +1 more source

Multiple recombination events between two cytochrome P450 loci contribute to global pyrethroid resistance in Helicoverpa armigera. [PDF]

open access: yesPLoS ONE, 2018
The cotton bollworm, Helicoverpa armigera (Hübner) is one of the most serious insect pest species to evolve resistance against many insecticides from different chemical classes.
Thomas K Walsh   +19 more
doaj   +1 more source

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