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Lygus hesperus
Western Tarnished Plant Bug
Lygus hesperus is a significant agricultural pest in western North America, causing extensive damage to cotton, strawberries, alfalfa seed, and other crops. In California alone, annual losses exceed $30 million in cotton and $40 million in strawberries. Adults overwinter in reproductive diapause triggered by short day lengths, resuming activity when conditions improve. The species has been the subject of extensive research on sampling methods, biological control, and insecticide resistance.
agricultural-pest plant-bug Miridae cotton-pest strawberry-pest alfalfa-pest western-North-America diapause biological-control integrated-pest-management insecticide-resistance mark-release-recapture salivary-enzymes extraoral-digestion Peristenus-relictus Hippodamia-convergens drone-sampling fluorescent-marking SmartWater vector Pantoea-ananatis Serratia potassium-chloride deterrent artificial-diet lentil seed-crops California Texas Arizona Nevada Washington Mexico polyphagous phytophagous stylet-probing scutellum nymph-spots economic-entomology organic-agriculture ecosystem-services bird-predation molecular-gut-analysis ELISA immunomarking parasitoid population-suppression crop-protection sampling-protocols sweep-net drop-cloth Y-tube-olfactometer gustatory-deterrent visual-cues volatile-cues reproductive-diapause postdiapause oogenesis oviposition longevity body-mass life-history mass-spectrometry salivary-proteins polygalacturonase α-amylase protease laccase glucose-dehydrogenase xanthine-dehydrogenase plant-defense host-pathogen-interaction iDrone-Bee UAV unmanned-aerial-vehicle open-source field-scouting IPM economic-threshold Bt-cotton natural-enemy conservation-biological-control landscape-ecology habitat-management weed-management border-sprays spot-treatment selective-insecticide neonicotinoid pyrethroid resistance-management sustainable-agriculture food-security economic-impact simulation-model population-dynamics immigration parasitism averted-loss value-loss cost-benefit research-methodology insect-marking dispersal fluorophore autofluorescence survivorship mortality mark-transfer crowding olfactometer feeding-behavior no-choice-assay choice-assay gustation host-selection plant-quality succulent-growth fruiting-structures square boll bloom terminal defoliation stand-loss dirty-bloom puckered-petals lesion carpel-wall lint-damage seed-damage yield-loss fiber-quality management-threshold scouting-interval action-threshold treatment-timing insecticide-efficacy labeled-rate difficult-to-control species-complex identification-key morphology color-variation wing-development antennae thorax abdomen instar developmental-stage laboratory-rearing oligidic-diet semisolid-slurry chicken-egg soybean wheat-germ lima-bean cost-reduction biomass-production survival fecundity egg-production generation-time population-growth log-phase colony-maintenance genetic-diversity field-collection adaptation stress-tolerance oxidative-stress temperature-extreme food-deficit resource-allocation reproductive-senescence endogenous-reserves environmental-stressor climate-adaptation phenology migration dispersal-pattern habitat-patch source-sink population-source population-sink crop-border field-edge non-crop-habitat refuge overwintering-site spring-emergence summer-population fall-population density-dependence aggregation spatial-distribution sampling-accuracy pest-detection monitoring-technology precision-agriculture digital-agriculture automation 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idiobiont koinobiont mummy-formation emergence-rate parasitoid-impact population-regulation top-down-control bottom-up-control trophic-cascade food-web ecosystem-function ecosystem-service disservice net-effect risk-assessment management-strategy policy regulation pesticide-registration resistance-monitoring stewardship integrated-resistance-management IRM refuge-strategy pyramid-strategy multiple-toxins transgenic-crop GMO biosafety environmental-impact non-target-organism pollinator-protection beneficial-insect natural-enemy-conservation floral-resource nectar pollen alternative-prey habitat-diversification agri-environment-scheme green-infrastructure ecological-compensation landscape-complexity connectivity matrix-quality spillover source-habitat ecological-trap population-viability extinction-risk invasion-biology range-expansion climate-change warming drought irrigation water-stress nitrogen-fertilization crop-vigor plant-nutrition host-plant-quality tritrophic-interaction 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phytoalexin lignin suberin callose papilla cell-wall-reinforcement hypersensitive-cell-death induced-systemic-resistance priming defense-elicitor plant-activator biostimulant plant-strengthener organic-amendment compost manure biochar vermicompost compost-tea microbial-inoculant plant-growth-promoting-rhizobacteria mycorrhizal-fungus endophyte epiphyte phytosphere rhizosphere phyllosphere spermosphere anthroposphere ecosystem-process nutrient-cycling carbon-sequestration nitrogen-fixation phosphorus-solubilization potassium-mobilization micronutrient-availability soil-structure water-infiltration water-holding-capacity erosion-control pollination pest-suppression disease-suppression weed-suppression decomposition detritivory predation herbivory mutualism commensalism competition facilitation inhibition amensalism neutralism symbiosis antagonism trophic-interaction food-chain energy-flow material-cycling biomass-pyramid trophic-pyramid ecological-efficiency production-efficiency 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Rhopalomyia chrysothamni
chrysanthemum gall midge
A gall midge in the family Cecidomyiidae that induces small, conical-tubular stem galls on rubber rabbitbrush (Ericameria nauseosa, formerly Chrysothamnus nauseosus). Research demonstrates that female attack rates and gall development are strongly influenced by host plant water and nutrient availability, with a documented trade-off between gall quantity and quality.
gall-midge Cecidomyiidae gall-inducer Ericameria-nauseosa host-plant-quality trade-off xeric-habitat Arizona

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