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Leptoglossus
leaf-footed bugs
Leptoglossus is a genus of true bugs in the leaf-footed bug family Coreidae, tribe Anisoscelini. Species are characterized by leaflike dilations of the hind tibia, a diagnostic trait of the genus. The genus is distributed throughout the Americas, with some introduced populations in Europe and Asia. Several species are economically significant agricultural pests, notably L. occidentalis, which has become invasive in multiple continents.
Coreidae leaf-footed-bug agricultural-pest invasive-species symbiosis sexual-dimorphism conifer-pest nuisance-pest Burkholderia tachinid-parasitoid pheromone-communication building-invader misidentification Triatoma-look-alike gradual-metamorphosis seed-predator forest-pest ornamental-pest plumbing-damage public-health-confusion Chile Europe North-America South-America Asia Turkey almond-pest citrus-pest tomato-pest corn-pest overwintering-aggregation defensive-secretion pheromone-mediated-parasitism egg-parasitoid biological-control ecological-niche-modeling climate-suitability range-expansion introduction accidental-dispersal seed-orchard-pest germination-reduction empty-seed-formation cone-damage lodgepole-pine Douglas-fir western-conifer-seed-bug L.-occidentalis L.-zonatus L.-phyllopus L.-clypealis L.-australis L.-chilensis L.-oppositus male-combat femoral-weapon abdominal-gland pheromone-gland tibial-dilation leaf-like-hind-leg true-bug Hemiptera Heteroptera Pentatomomorpha Anisoscelini phytophagous plant-feeding stylet-feeding salivary-sheath overwintering diapause building-entry structural-pest nuisance-odor flight-sound droning-flight aggregation-behavior male-pheromone female-choice parasitoid-host biological-control-agent integrated-pest-management monitoring early-detection prevention invasion-biology alien-species non-native-pest global-spread climate-change niche-modeling suitable-habitat establishment-risk quarantine phytosanitary forest-health seed-production reforestation afforestation conifer-forestry pine-seed seed-viability economic-impact crop-loss yield-reduction kernel-damage fruit-damage nut-damage vector-of-disease Chagas-disease kissing-bug public-alarm misinformation education identification-tools health-system-burden pesticide-overuse urban-ecology domiciliary peridomiciliary Andean-region Patagonia Mediterranean temperate subtropical tropical agroecosystem natural-enemy predator parasite pathogen symbiont gut-microbiome soil-ingestion fitness-benefit reproductive-success sperm-morphology testicular-morphology accessory-gland pheromone-blend species-specific-odor cherry-scent vanilla-scent cinnamon-scent rose-scent olfactory-communication mate-location mate-recognition sexual-selection male-male-competition weapon-morphology allometry developmental-plasticity nymphal-instar egg-barrel egg-arrangement linear-oviposition leaf-surface plant-tissue stylet-penetration enzymatic-digestion fluid-feeding phloem-feeding xylem-feeding seed-feeding cone-feeding fruit-feeding kernel-feeding nut-feeding crop-feeding host-plant-range polyphagy oligophagy specialist generalist pest-status damage-threshold economic-injury-level management-strategy cultural-control physical-control chemical-control resistance tolerance host-plant-resistance monitoring-trap light-trap population-density distribution-map spread-rate colonization establishment population-dynamics life-table developmental-rate thermal-requirements degree-days phenology voltinism univoltine bivoltine multivoltine generation-time overwintering-site hibernaculum shelter-seeking cold-hardiness freeze-tolerance supercooling water-relations desiccation-resistance starvation-resistance dispersal-ability flight-capacity walking-behavior climbing-behavior aggregation-pheromone alarm-pheromone stink-gland metathoracic-gland dorsoabdominal-gland ventral-abdominal-gland sexual-gland morphological-defense chemical-defense mechanical-defense autotomy leg-loss predation-risk parasitism-risk parasitoid-risk pathogen-risk competition intraspecific interspecific resource-competition mating-competition sperm-competition cryptic-female-choice reproductive-isolation speciation phylogeny systematics taxonomy morphology anatomy histology ultrastructure spermatogenesis spermatozoa sperm-length nuclear-length cyst-production follicle-number testis-structure reproductive-anatomy genitalia mating-behavior copulation insemination oviposition egg-production fecundity fertility hatching-success nymphal-survival adult-longevity sex-ratio operational-sex-ratio population-sex-ratio effective-population-size genetic-diversity gene-flow population-structure phylogeography biogeography historical-biogeography vicariance dispersal range-shift range-contraction altitudinal-distribution latitudinal-distribution longitudinal-distribution island-distribution continental-distribution endemism cosmopolitanism introduced-range native-range source-population founder-population invasion-front lag-phase establishment-phase spread-phase equilibrium-phase impact-assessment risk-assessment horizon-scanning early-warning rapid-response eradication containment control management adaptation mitigation restoration conservation biodiversity ecosystem-service ecosystem-function food-web trophic-level primary-consumer herbivore fruit-predator plant-animal-interaction mutualism antagonism predation parasitism commensalism amensalism facilitation indirect-interaction trait-mediated-interaction density-mediated-interaction behavioral-ecology evolutionary-ecology functional-ecology physiological-ecology population-ecology community-ecology ecosystem-ecology landscape-ecology macroecology global-ecology applied-ecology agricultural-ecology forest-ecology conservation-biology invasion-ecology restoration-ecology pest-management conservation-biological-control augmentative-biological-control classical-biological-control parasitoid nematode fungus bacterium virus entomopathogen microbial-control sterile-insect-technique genetic-control mating-disruption attract-and-kill push-pull trap-crop border-crop refuge habitat-management cultural-practice crop-rotation tillage irrigation fertilization pruning harvest-timing sanitation residue-management weed-management cover-crop companion-planting intercropping agroforestry silviculture forest-management seed-orchard-management cone-collection seed-extraction seed-testing germination-testing seed-quality seed-vigor empty-seed insect-damage insect-injury feeding-scar puncture stylet-sheath salivary-flange symptom sign diagnosis sampling economic-threshold decision-support expert-system modeling simulation forecasting climate-model niche-model species-distribution-model habitat-suitability risk-mapping invasion-pathway introduction-vector trade transport tourism migration natural-dispersal human-mediated-dispersal accidental-introduction intentional-introduction release escape cultivation ornamental forestry agriculture horticulture urbanization globalization land-use-change habitat-fragmentation habitat-loss degradation pollution pesticide fertilizer nutrient-enrichment eutrophication acidification warming drought extreme-event disturbance succession recovery resilience stability variability uncertainty sustainable-development green-economy circular-economy bioeconomy ecosystem-approach one-health planetary-health environmental-health public-health veterinary-health plant-health food-security nutrition livelihood poverty inequality gender indigenous-knowledge traditional-knowledge local-knowledge citizen-science stakeholder-engagement policy governance regulation legislation international-cooperation capacity-building awareness communication outreach extension advisory-service research innovation technology-transfer knowledge-exchange networking partnership collaboration evaluation evidence-based-policy science-policy-interface diplomacy advocacy activism social-movement environmental-justice environmental-ethics environmental-philosophy environmental-humanities environmental-history environmental-literature environmental-art environmental-education environmental-communication science-communication risk-communication crisis-communication health-communication behavior-change pro-environmental-behavior sustainable-behavior consumption production waste recycling reuse reduction efficiency renewable clean green blue natural organic agroecology permaculture regenerative restorative healing transformative transdisciplinary interdisciplinary multidisciplinary cross-disciplinary disciplinary disciplinary-integration knowledge-integration system-thinking complexity emergence non-linearity feedback tipping-point regime-shift alternative-stable-state resilience-thinking adaptive-management adaptive-governance learning reflection participation inclusion equity justice fairness ethics values norms culture identity place sense-of-place attachment well-being quality-of-life happiness flourishing thriving sustainability sustainable development growth degrowth post-growth steady-state circular doughnut-economics planetary-boundaries safe-operating-space tipping-elements critical-transition early-warning-signal resilience-indicator sustainability-indicator benchmark target goal commitment pledge agreement treaty convention protocol framework strategy plan program project initiative campaign movement coalition alliance network platform hub center institute organization association society union federation confederation foundation trust fund bank facility mechanism instrument tool method approach technique procedure process system structure institution administration operation service delivery provision supply demand market economy finance investment funding financing resource capital asset liability income expenditure revenue cost benefit profit loss return yield outcome output input throughput productivity effectiveness performance quality standard criterion indicator metric measure assessment appraisal review audit verification validation certification accreditation recognition award prize honor distinction excellence best-practice lesson-learned experience expertise competence capacity capability skill knowledge information data evidence science discovery invention creation design testing piloting scaling mainstreaming uptake adoption diffusion dissemination publication reporting documentation archiving preservation rehabilitation reconstruction replication duplication backup security safety protection safeguarding insurance risk-management emergency-preparedness response relief humanitarian peace prosperity health employment housing infrastructure energy water food fishery aquaculture mining manufacturing industry commerce recreation heritage nature ecosystem environment climate atmosphere ocean freshwater land soil mineral biota flora fauna microorganism fungi plant animal vertebrate invertebrate arthropod insect bug Hemipteran Heteropteran pentatomomorphan coreoid coreid squash-bug boxelder-bug stink-bug shield-bug plant-bug mirid lygaeid seed-bug broad-headed-bug alydid reduviid assassin-bug triatomine bed-bug cimicid water-bug nepomorphan gerromorphan leptopodomorphan enicocephalomorphan dipsocoromorphan ceratocomboid schizopteroid peloridioid coleorrhynchan moss-bug archaeorrhynchan fulgoromorphan cicadomorphan membracoid treehopper leafhopper planthopper psyllid jumping-plant-louse whitefly aleyrodid scale-insect coccoid mealybug aphid adelgid phylloxeran sternorrhynchan thysanopteran thrips psocopteran barklouse booklouse phthirapteran louse sucking-louse chewing-louse mallophagan anopluran dermapteran earwig blattodean cockroach termite isopteran mantodean mantid phasmid stick-insect leaf-insect orthopteran grasshopper locust katydid cricket mole-cricket pygmy-mole-cricket camel-cricket cave-cricket weta ensiferan caeliferan gryllotalpid myrmecophilid tettigoniid gryllid acridid pamphagid pneumorid lentulid tristirid eumastacid proscopiid tridactylid tetrigid grouse-locust pygmy-grasshopper plecopteran stonefly embiopteran webspinner zorapteran angel-insect dictyopteran
Pacifastacus leniusculus
Signal Crayfish
The signal crayfish is a large North American freshwater crayfish introduced to Europe in the 1960s to replace declining native fisheries. It has become one of the most ecologically impactful invasive decapods in Europe, outcompeting native crayfish and serving as a carrier of crayfish plague (Aphanomyces astaci). The species establishes self-sustaining populations rapidly, with six age cohorts documented within a few years of introduction. It shows sex- and size-specific coloration patterns, with males displaying more saturated and brighter ventral claw surfaces than females, suggesting a role in intraspecific communication.
invasive-species crayfish-plague-carrier decapod freshwater-crustacean conservation-concern species-of-Union-concern early-detection-rapid-response ark-sites ecosystem-engineer bioaccumulation sexual-dimorphism nocturnal-activity invasion-gradient trapping electrofishing eradication Mediterranean-invasion headwater-threat native-crayfish-displacement fisheries-introduction 1960s-introduction Europe Japan California-native Pacifastacus Astacidae Decapoda Malacostraca Arthropoda Aphanomyces-astaci white-clawed-crayfish signal-crayfish control-planning removal-actions catch-per-unit-effort color-variation carotenoids camouflage conspicuousness intraspecific-communication elemental-accumulation contaminant trophic-level macroinvertebrate plant-detritus riffle stream river lake tributary invasion-front core-population exploratory-behavior migration-patterns ontogenetic-color-change kick-sampling detection-protocol false-negative Catalonia Italy Portugal Spain Poland Scandinavia British-Isles Segura-River Clitunno-River Valla-stream Rabaçal-River Fosso-Vecchio Union-concern LIFE-IMAGINE eradication-attempt biosecurity pathway-action-plans INNS-inspectorate environmental-DNA eDNA host-pathogen-dynamics conservation-translocation ark-site aggregates-levy environment-agency BBC-wildlife-fund defra habitats-directive favourable-conservation-status unfavourable-bad extinction-risk funding-cuts ecosystem-services keystone-species woodland pollination decomposition nutrient-cycling predation water-purification citizen-science ex-situ-conservation-rearing zoos aquaria Fen-Raft-Spider Pond-Mud-Snail Large-Marsh-Grasshopper Freshwater-Pearl-Mussel Marbled-White-Butterfly Small-Skipper climate-change assisted-colonization range-margin biotic-response abiotic-driver warming pollution eutrophication functional-trait thermal-limit embryogenesis competitive-advantage alien-aquatic-species artificial-light-at-night nutrient-enrichment brown-trout biological-control clearance-rate parasite-load sympatry global-invader predatory-interaction experimental-approach epiphytic-algae submerged-plant-community molecular-tools informatics social-media pooled-sampling integrative-taxonomy hybrid bryozoan cost-efficient-methodology policy-effectiveness legislative-tools LIFE-INVASAQUA networking prevention awareness marine-protected-area citizen-science-data non-native-freshwater-fish knowledge-gaps invasive-alien-freshwater-plants naturalised-plants aquatic-habitats pot-plants horticulture New-Guinea-flatworm Partula-tree-snails Lob-worm Lumbricus-terrestris Harlequin-ladybird Oak-processionary-moth New-Zealand-flatworm Australian-flatworm Lily-beetle Rosemary-leaf-beetle Spanish-slug Girdled-snail Australian-landhopper Light-brown-apple-moth Asian-hornet Argentine-ant Linepithema-humile Vespa-velutina ash-dieback Hymenoscyphus-fraxineus Floating-Pennywort Giant-Hogweed Chinese-Mitten-Crab Eriocheir-sinensis Ballast-Water-Convention Office-for-Environmental-Protection Environmental-Improvement-Plan Global-Biodiversity-Framework delisting listing rapid-response Great-Britain-Non-native-Species-Strategy Nature-2030 Wildlife-and-Countryside-Link Buglife invertebrate conservation reintroduction reinforcement assisted-colonisation habitat-management genetic-diversity donor-stock stakeholder-collaboration Natural-England eNGO landowner public-engagement media-attention tabloid sensationalism spider size-of-rats Marvellous-Mud-Snails-Cornwall Citizen-Zoo Hop-of-Hope volunteer ex-situ-rearing long-life-cycle glochidia salmonid-fish-host Freshwater-Biology-Association juvenile-mussel habitat-restoration micro-habitat Field-Cricket Wart-biter-Bush-cricket Barberry-Carpet-Moth Marsh-Fritillary-Butterfly Fisher's-Estuarine-Moth Southern-Damselfly White-faced-Darter-Dragonfly Pine-Hoverfly Dark-bordered-Beauty-Moth Medicinal-Leech Tadpole-Shrimp Netted-Carpet-Moth Ladybird-Spider Narrow-headed-Ant Cumbria Dorset Devon microhabitat low-mobility natural-colonization short-haired-bumblebee Bombus-subterraneus sub-optimal-management Barberry-bush Paul-Waring Benoit-Guénard conservation-funding vertebrate-bias invertebrate-neglect beaver Castor-fiber pine-marten Martes-martes bird-of-prey Large-Blue-Butterfly Phengaris-arion Chequered-Skipper Carterocephalus-palaemon mainland-Europe national-reintroduction local-reintroduction donor-population receptor-site county 400-m isolated-habitat England-Species-Reintroduction-Task-Force Karim-Vahed half-a-century diverse-species logistically-easier guidelines code government habitat-conditions site-conditions targeted-habitat-management mobility recovery unsuccessful-case lack-of-genetic-diversity optimal-management establishment-failure care knowledge funding-allocation PNAS threatened-species 80%6%species-numbers imbalance legislation wild-release high-profile main-image Decticus-verrucivorus Dr-Sarah-Henshall share Facebook LinkedIn Trinity-Audio tweet NEOBIOTA-2024 Lisbon 421-participants 47-countries invasion-science aquatic-studies marine freshwater oral-session poster workshop NeoBiota-Special-Issue editorial Pedro-Anastácio Filipe-Ribeiro Paula-Chainho 23-papers five-themes 100th-issue ZooKeys digital-taxonomy environmental-stressor invasion-success salinity sea-level-rise Alternanthera-philoxeroides stress-tolerance avoidance escape Gonçalves physiological-performance Callinectes-sapidus climate-warming Phymactis-papillosa environmental-tolerance ecological-impact Portuguese-intertidal synergistic-effect Zhang ecological-interaction invasion-impact population-dynamics Salmo-trutta Matos bivalve capture-efficiency natural-seston Cabral Eupercaria Tkachenko global-aquatic-invader Reshetnikov Pontederia-crassipes Pistia-stratiotes Shen detection monitoring surveillance early-detection Dias Xenopus-laevis pooled-eDNA Everts Squalius Gkenas Chilean-SE-Pacific Rech management policy legislative-tool EU-policy sectoral-impact Magliozzi freshwater-turtle Rato Carosi habitat-use trapping-efficiency hypersaline-lagoon Herrero-Reyes Iberian-Peninsula López-Cañizares African-marine-protected-area global-database Ackland Indian-freshwater-fish evidence-gap Kumar European-freshwater-plant ecosystem-impact Di-Lernia global-synthesis naturalised-plant aquatic-habitat Kortz interdisciplinarity translational-relevance issue-4930 Bluesky scholarly-publishing ecology invasion-ecology aquatic-ecosystem flatworm snail gang-attack extinction pot-plant soil-sterilization fumigation hot-water-immersion biosecurity-measure international-trade Hirudo-medicinalis Neil-Phillips Steven-Falk Sarah-Henshall omphiscola-glabra Cornwall Scotland Blera-fallax Epione-vespertaria Triops-cancriformis Eustroma-reticulatum Eresus-sandaliatus Formica-exsecta Gryllus-campestris Decticus-verrucivorous Pareulype-berberata Euphydryas-aurinia Margaritifera-margaritifera Gortyna-borelii-lunata Dolomedes-plantarius Coenagrion-mercuriale Leucorrhinia-dubia Stethophyma-grossum Melanargia-galathea Thymelicus-sylvestris Formica-rufa Kielder-Forest Northumberland Liz-Oldring Stephen-Wills Durham-University climate-suitability limited-funding biased-funding vertebrate nature-positive-trade 2024-General-Election Manifesto-for-Bugs seven-actions commitments halting-nature-loss reversing-invertebrate-decline Andrew-Whitehouse South-West-Manager Lord-De-Mauley wildlife-minister mineral-extraction Treasury George-Entwistle 50%-cut badger-cull river-dredging £100K £12.75 £420 £1,616 2012 2014 21-projects 2-projects reporting Bedstraw-hawk-moth national-pride leadership David-Smith Social-Change-and-Advocacy-Officer Lisa-Manning Policy-and-Engagement-Officer February-2024 GB-Non-Native-Species-Strategy one-year-anniversary measurability timeline off-track 2030 time-lag establishment Red-Imported-Fire-Ant Solenopsis-invicta world's-worst-invasive-species PaPs draft-form consultation-delay 2023-State-of-Nature-Report Environmental-Audit-Committee £6-million animal-health plant-health resourcing long-term-future slipped-timelines inefficient-process fully-resourced-implementation-plans general-election manifesto smallest-creatures foundations healthy-environment ecosystem-function nature's-decline action commitment England-Manager deliberate-movement release wild conservation-purpose feathered furred multitude large-scale 1980s 1990s 2018 England small-size small-scale region 2005 2007 2008 2010-2015 2009 2010 2019 2022 2023 isolated high-reproductive-potential cost-effective zoo aquarium collaboration ten-different-zoos thousands spiderlings four-new-populations Norfolk Suffolk media-response 2024 headline homeowner urgent-warning relatively-easy-to-rear local-schools colleges volunteers small-aquaria 500-snails four-new-sites 6,000 47-volunteers long-complex-life-cycle long-lived many-years 50,000 specialised-facilities hundreds juvenile-mussels ageing-populations Northern-England natural-range conservation-status 2000 climatically-suitable nine-years pest-species Forestry-England Wood-Ant keystone-woodland-species rescue immediate-danger Austropotamobius-pallipes North-American-Signal-Crayfish Pacifastacus-leniusculus outcompetes fungal Crayfish-Plague susceptible successful-reintroduction rigorous-planning appropriate-guidelines reintroduction-code natural-habitat restoration micro-habitat-requirements life-cycle-stage conservation-tool-kit targeted-habitat-restoration mobile-species species-specialist public 2010s 2004 thousands-of-caterpillars multiple-attempts public-attention vertebrate-relative 2025 opposite-pattern celebration

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