Problems

Guava Problems: Causes & Quick Fixes

Quick answer

Guava is prone to 16 common issues - each link below is a plant-specific fix guide.

Guava houseplant

Guava problems

Use the guides below to diagnose and fix common issues on Guava. Each problem page explains why it happens on this species and what to do first.

Or use our problem diagnosis tool to narrow down symptoms.

Common problems on Guava

Yellow Leaves

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Brown Tips

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Root Rot

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Overwatering

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Underwatering

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Spider Mites

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Mealybugs

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Aphids

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Leggy Growth

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Slow Growth

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Wilting

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Drooping Leaves

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Low Humidity

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Not Enough Light

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Fungus Gnats

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Mold on Soil

Medium

Likely cause: Common on this plant type; confirm with recent watering, light, and root checks.

Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

Full fix guide →

Frequently asked questions

How often should I water Guava?

Water deeply when the top 3–5 cm of soil is dry. Keep young and container trees evenly moist while establishing, then allow slight drying between soaks. Avoid drought from flowering through fruit development and never leave the root zone waterlogged. In practice, water every 3–7 days for container trees in warm weather; every 7–14 days in cooler months, adjusted for pot size and rainfall. Check 3–5 cm below the surface; water thoroughly only when that layer feels dry. Increase during hot, dry weather and from bloom through fruit fill; reduce during cool weather and rainy periods.

What light does Guava need?

Guava needs bright, indirect light for steady indoor growth.

Is Guava toxic to pets?

Guava is toxic to cats and dogs. Keep out of reach of curious pets and choose pet-safe alternatives for accessible spots.

How do I propagate Guava?

Propagate Guava from healthy stem or root divisions during active growth.

What soil is best for Guava?

Use fertile, well-draining sandy loam or loam. Guava tolerates many soil types, but container roots need aeration and reliable drainage; aim for pH 5.0–7.0. A good mix includes 50% quality potting mix or sandy loam, 25% mature compost, 25% coarse perlite, pumice, or pine bark. Free-draining but moisture-retentive; prolonged saturation can cause chlorosis, dieback, and root decline.

When should I repot Guava?

Repot Guava every 1–2 years while young; refresh the upper mix and root-prune established container trees when upsizing is no longer practical, ideally in spring or the start of warm active growth. Signs it needs a bigger pot: roots circling densely or exiting drainage holes, pot dries completely within a day, growth stalls despite full sun and appropriate feeding, tree becomes unstable or top-heavy.

Why does my Guava have yellow leaves?

Common on this plant type; confirm with recent watering, light, and root checks. Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.

How this Guava problems guide is reviewed?

Editorial policy Review board

Written by · Reviewed by LeafyPixels Review Board · Updated October 27, 2026

This Guava problems problem guide was researched and written by . Problems symptoms on Guava, lookalike causes, and step-by-step fixes are cross-checked against extension pest, disease, and care references before publication.

We prioritize sources that hold up under scrutiny:

University cooperative extension bulletins and fact sheets (Penn State, Clemson, UMD, NC State, and similar programs)
Botanical garden and horticultural society publications
Peer-reviewed plant science and veterinary toxicology references where pet safety matters (including ASPCA Animal Poison Control)
Established reference works on indoor plant culture

The LeafyPixels editorial team then reviews the draft for clarity, step-by-step usefulness, and fit with real apartment and home conditions-not ideal greenhouse setups. When guidance changes materially, we update the page and note the revision date.

Sources used

amrud (n.d.) 118208. [Online]. Available at: https://innovation.nif.org.in/innovation/detail/herbal-treatment-for-ephemeral-fever/118208 (Accessed: 27 October 2026).
BBC Gardeners' World Magazine — Red Spider Mites (n.d.) Editorial cross-check for mottling, fine webbing, leaf-underside inspection, and warm, dry conditions.. [Online]. Available at: https://www.gardenersworld.com/how-to/solve-problems/red-spider-mites/ (Accessed: 27 October 2026).
BBC Gardening (n.d.) Over-watering identifier. [Online]. Available at: https://www.bbc.com/gardening/advice/pests_and_diseases/identifier.shtml?over_watering (Accessed: 27 October 2026).
Clemson Cooperative Extension — Common Houseplant Insects and Related Pests (n.d.) Cottony white wax as a diagnostic feature of mealybugs.. [Online]. Available at: https://hgic.clemson.edu/factsheet/common-houseplant-insects-related-pests/ (Accessed: 27 October 2026).
Colorado State Extension's fungus gnat guide (n.d.) Fungus Gnats As Houseplant And Indoor Pests. [Online]. Available at: https://extension.colostate.edu/resource/fungus-gnats-as-houseplant-and-indoor-pests/ (Accessed: 27 October 2026).
Colorado State University Extension — Aphids in fruit trees (n.d.) Aphid life cycle, fruit-tree shoot distortion, natural enemies, and tolerance of low to moderate populations on established trees.. [Online]. Available at: https://agsci.colostate.edu/agbio/ipm-pests/aphids-in-fruit-trees/ (Accessed: 27 October 2026).
Colorado State University Extension — Leaf Scorch (n.d.) Limits to recovery after leaf tissue has been dehydrated and scorched. [Online]. Available at: https://extension.colostate.edu/resource/leaf-scorch/ (Accessed: 27 October 2026).
Colorado State University Extension, Moving Houseplants Outdoors (n.d.) Gradually acclimating a shaded container plant to longer periods of direct sun. [Online]. Available at: https://planttalk.colostate.edu/topics/houseplants/1332-moving-houseplants-outdoors/ (Accessed: 27 October 2026).
Colorado State's indoor-fly guide (n.d.) Flies In The Home. [Online]. Available at: https://extension.colostate.edu/resource/flies-in-the-home/ (Accessed: 27 October 2026).
Epic Gardening — Common Mistakes to Avoid When Watering Your Plants (n.d.) Moisture-based watering decisions and container drainage. [Online]. Available at: https://www.epicgardening.com/common-watering-mistakes/ (Accessed: 27 October 2026).
Epic Gardening — How to Remove and Prevent Mealybugs (n.d.) Editorial cross-check for honeydew, ant attendance, and practical monitoring.. [Online]. Available at: https://www.epicgardening.com/mealybugs/ (Accessed: 27 October 2026).
Epic Gardening — What is Salt Burn in Plants? (n.d.) Practical signs and common sources of plant salt injury. [Online]. Available at: https://www.epicgardening.com/salt-burn-plants/ (Accessed: 27 October 2026).
Epic Gardening 7 Tips for Treating Root Rot in Houseplants (n.d.) Why leaf symptoms are not diagnostic, root confirmation, and practical container rescue sequence. [Online]. Available at: https://www.epicgardening.com/root-rot-houseplants/ (Accessed: 27 October 2026).
Epic Gardening How to Plant, Grow, and Care for a Guava Tree (n.d.) Guava’s sun, drainage, and shallow-root context for home growers. [Online]. Available at: https://www.epicgardening.com/guava-tree/ (Accessed: 27 October 2026).
Epic Gardening, White Mold on Houseplant Soil (n.d.) Moisture, drainage, airflow, and organic-matter conditions. [Online]. Available at: https://www.epicgardening.com/white-mold-houseplant-soil/ (Accessed: 27 October 2026).
Fine Gardening (n.d.) Can My Plant Be Saved from Root Rot?. [Online]. Available at: https://www.finegardening.com/article/can-my-plant-be-saved-from-root-rot (Accessed: 27 October 2026).
Fine Gardening — Learn to Spot and Treat Summer Plant Diseases (n.d.) Why distinct leaf lesions need close inspection rather than a symptom-only diagnosis. [Online]. Available at: https://www.finegardening.com/article/learn-to-spot-and-treat-summer-plant-diseases (Accessed: 27 October 2026).
flowers on vigorous new shoots (n.d.) MG045. [Online]. Available at: https://edis.ifas.ufl.edu/publication/MG045#sec-13 (Accessed: 27 October 2026).
Frontiers in Plant Science — Drought Stress Responses of Guava Cultivars (n.d.) A controlled study showing that two guava cultivars responded differently to sustained water stress. [Online]. Available at: https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2022.878616/full (Accessed: 27 October 2026).
Frontiers in Plant Science, Editorial: Shade Avoidance Syndrome in Plants (n.d.) General shade-avoidance response; interpreted cautiously because it is not a Guava-specific container study. [Online]. Available at: https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2022.990982/full (Accessed: 27 October 2026).
Gardener's Path — How to Identify and Control Mealybugs (n.d.) Editorial cross-check for species-varying life cycles, egg sacs, crawlers, and close inspection.. [Online]. Available at: https://gardenerspath.com/how-to/disease-and-pests/control-mealybugs/ (Accessed: 27 October 2026).
Gardeners' Path — How to Control Aphids on Roses (n.d.) Editorial cross-check for identifying colonies on buds and soft shoots and using hose rinsing before chemical treatment.. [Online]. Available at: https://gardenerspath.com/how-to/disease-and-pests/control-aphids-roses/ (Accessed: 27 October 2026).
Gardening Know How (n.d.) Guava training, thinning, heading, and pinching methods. [Online]. Available at: https://www.gardeningknowhow.com/edible/fruits/guava/guava-tree-pruning.htm (Accessed: 27 October 2026).
Gardening Know How (n.d.) General low-light and excess-nitrogen clues for leggy growth. [Online]. Available at: https://www.gardeningknowhow.com/plant-problems/environmental/established-plants-leggy.htm (Accessed: 27 October 2026).
Gardening Know How — Guava Trees in Containers (n.d.) Practical container-guava context on full sun, well-drained soil, and drainage holes. [Online]. Available at: https://www.gardeningknowhow.com/edible/fruits/guava/growing-guava-in-containers.htm (Accessed: 27 October 2026).
Gardening Know How — Iron Chlorosis (n.d.) General iron chlorosis pattern and soil-availability context. [Online]. Available at: https://www.gardeningknowhow.com/plant-problems/environmental/leaf-chlorosis-and-iron.htm (Accessed: 27 October 2026).
Gardening Know How — Red Spider Mite Problems (n.d.) Editorial cross-check for magnified identification and checking moving mites beneath leaves.. [Online]. Available at: https://www.gardeningknowhow.com/plant-problems/pests/insects/red-spider-mites.htm (Accessed: 27 October 2026).
Gardening Know How — Watering Outdoor Potted Plants (n.d.) Practical guidance on container dry-down and slow, thorough rewetting of dry potting mix. [Online]. Available at: https://www.gardeningknowhow.com/special/containers/container-plant-watering.htm (Accessed: 27 October 2026).
Gardening Know How Identifying Root Rot (n.d.) Outdoor-tree lookalikes and the limits of canopy symptoms. [Online]. Available at: https://www.gardeningknowhow.com/plant-problems/disease/root-rot-in-garden-plants.htm (Accessed: 27 October 2026).
Gardening Know How notes (n.d.) Fungus Gnats. [Online]. Available at: https://www.gardeningknowhow.com/plant-problems/pests/insects/fungus-gnats.htm (Accessed: 27 October 2026).
Harvest to Table (n.d.) Practical guava maintenance pruning and tip control. [Online]. Available at: https://harvesttotable.com/how-to-grow-guava/ (Accessed: 27 October 2026).
Healthy Houseplants explains (n.d.) How Regional Climate Affects Indoor Houseplants And What You Can Do About It. [Online]. Available at: https://www.healthyhouseplants.com/how-regional-climate-affects-indoor-houseplants-and-what-you-can-do-about-it/ (Accessed: 27 October 2026).
hygrometer to measure indoor humidity (n.d.) Raise Humidity For Houseplants. [Online]. Available at: https://www.gardeningknowhow.com/houseplants/hpgen/raise-humidity-for-houseplants.htm (Accessed: 27 October 2026).
iron deficiency in alkaline, high-pH soil (n.d.) MG045. [Online]. Available at: https://edis.ifas.ufl.edu/publication/MG045#sec-7 (Accessed: 27 October 2026).
K-State Extension notes (n.d.) Fungus Gnats Houseplants. [Online]. Available at: https://www.johnson.k-state.edu/programs/lawn-garden/agent-articles-fact-sheets-and-more/agent-articles/house-plants/fungus-gnats-houseplants.html (Accessed: 27 October 2026).
Martha Stewart, How to Get Rid of Mold on Houseplant Soil (n.d.) Surface identification, debris removal, and practical cleanup. [Online]. Available at: https://www.marthastewart.com/8354984/mold-on-houseplant-soil-prevent-treat (Accessed: 27 October 2026).
Missouri Botanical Garden: Overwatering (n.d.) Root oxygen loss, moisture checks, and temporary midday wilt.. [Online]. Available at: https://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/insects-pests-and-problems/environmental/overwatering (Accessed: 27 October 2026).
more growth on the leeward side (n.d.) MG045. [Online]. Available at: https://edis.ifas.ufl.edu/publication/MG045#sec-5 (Accessed: 27 October 2026).
NC State Extension (n.d.) Plants Grown in Containers. [Online]. Available at: https://content.ces.ncsu.edu/extension-gardener-handbook/18-plants-grown-in-containers (Accessed: 27 October 2026).
Ohio Tropics' practical guide (2021) Killing Fungus Gnats Houseplants. [Online]. Available at: https://www.ohiotropics.com/2021/01/31/killing-fungus-gnats-houseplants/ (Accessed: 27 October 2026).
Penn State Extension Repotting Houseplants (n.d.) Container drainage, pot sizing, root inspection, and gentle repotting procedure. [Online]. Available at: https://extension.psu.edu/repotting-houseplants (Accessed: 27 October 2026).
Punjab Agricultural University — Guava Wilt Disease Management (n.d.) The complexity of guava wilt disorder and the role of abiotic stress and root injury. [Online]. Available at: https://www.pau.edu/index.php?_act=manageEvent&DO=viewEventDetail&intID=7903 (Accessed: 27 October 2026).
Purdue NewCROP, Guava (n.d.) Guava species profile and cultivation context. [Online]. Available at: https://www.hort.purdue.edu/newcrop/morton/guava.html (Accessed: 27 October 2026).
Purdue NewCROP, Guava (n.d.) Orchard-level light access and the effect of canopy layout on exposure. [Online]. Available at: https://hort.purdue.edu/newcrop/morton/guava.html#Culture (Accessed: 27 October 2026).
Purdue University New Crops — Guava (n.d.) Guava-specific report of aphids on new shoots, leaf undersides, sap feeding, honeydew, and sooty mold.. [Online]. Available at: https://hort.purdue.edu/newcrop/morton/guava.html (Accessed: 27 October 2026).
Royal Horticultural Society — Brown leaves on woody plants (n.d.) General interpretation of tip and margin browning on trees and young growth. [Online]. Available at: https://www.rhs.org.uk/problems/brown-leaves-on-woody-plants (Accessed: 27 October 2026).
Royal Horticultural Society — Chlorosis (n.d.) Yellowing as a symptom with multiple possible causes. [Online]. Available at: https://www.rhs.org.uk/problems/chlorosis (Accessed: 27 October 2026).
Royal Horticultural Society — Fruit aphids (n.d.) Fruit-tree aphid symptoms, honeydew, sooty mold, and the role of natural predators.. [Online]. Available at: https://www.rhs.org.uk/biodiversity/fruit-aphids (Accessed: 27 October 2026).
Royal Horticultural Society, Saprotrophic Fungi in Gardens (n.d.) Decomposition of dead organic matter by saprotrophic fungi. [Online]. Available at: https://www.rhs.org.uk/biodiversity/saprotrophic-fungi (Accessed: 27 October 2026).
Savvy Gardening — Rhododendron Leaves Yellowing (n.d.) Practical comparison of old versus new leaves and visible chlorosis patterns. [Online]. Available at: https://savvygardening.com/rhododendron-leaves-yellowing/ (Accessed: 27 October 2026).
Scientific Reports — Interactive salinity and water stress in guava (n.d.) Research on how salinity and water shortage affect guava growth and physiology. [Online]. Available at: https://www.nature.com/articles/s41598-022-22602-5 (Accessed: 27 October 2026).
Singapore National Parks Board GardeningSG (n.d.) Six-hour sunlight guidance and the effect of indirect light on guava growth. [Online]. Available at: https://gardeningsg.nparks.gov.sg/gardening-resource-library/guava/ (Accessed: 27 October 2026).
Tamil Nadu Agricultural University — Guava (n.d.) Regional field guidance on Guava irrigation and well-drained soil. [Online]. Available at: https://agritech.tnau.ac.in/horticulture/horti_fruits_guava.html (Accessed: 27 October 2026).
Tamil Nadu Agricultural University — Guava Iron Deficiency (n.d.) Guava-specific iron chlorosis pattern in young leaves. [Online]. Available at: https://agritech.tnau.ac.in/horticulture/plant_nutri/guava_ir.html (Accessed: 27 October 2026).
The Spruce — How to Control Aphids on Indoor House Plants (n.d.) Editorial cross-check for water-based aphid removal and the need to inspect and repeat physical removal.. [Online]. Available at: https://www.thespruce.com/control-aphids-on-houseplants-1902889 (Accessed: 27 October 2026).
The Spruce — How to Get Rid of Mealybugs (n.d.) Editorial cross-check for separating an infested potted plant and monitoring for recurrence.. [Online]. Available at: https://www.thespruce.com/how-to-control-mealybugs-1902890 (Accessed: 27 October 2026).
The Spruce — How to Get Rid of Spider Mites (n.d.) Horticulture-reviewed practical guidance on repeated water sprays aimed at leaf undersides.. [Online]. Available at: https://www.thespruce.com/controlling-spider-mites-3269371 (Accessed: 27 October 2026).
The Spruce, 35 Best Low-Light Indoor Plants for Your Home (n.d.) Practical distinction between low-light rooms and brighter indoor window exposures. [Online]. Available at: https://www.thespruce.com/low-light-conditions-houseplants-1902917 (Accessed: 27 October 2026).
The Spruce, What To Do About Mold on Houseplant Soil (n.d.) Surface appearance, saprophytic growth, moisture clues, and lookalikes. [Online]. Available at: https://www.thespruce.com/mold-on-houseplant-soil-5496610 (Accessed: 27 October 2026).
UC Cooperative Extension, Sacramento Valley Orchards (n.d.) Potential Damage from Overwatering and Waterlogging. [Online]. Available at: https://www.sacvalleyorchards.com/almonds/horticulture/potential-damage-from-overwatering-waterlogging/ (Accessed: 27 October 2026).
UC IPM — Houseplant Problems (n.d.) Differential diagnosis between webbing and stippling from spider mites and sticky foliage associated with sap-feeding pests.. [Online]. Available at: https://ipm.ucanr.edu/home-and-landscape/houseplant-problems/ (Accessed: 27 October 2026).
UC IPM — Mealybugs (n.d.) Identification, honeydew and sooty mold, ants, life cycle, physical removal, natural enemies, and limits of contact treatments.. [Online]. Available at: https://ipm.ucanr.edu/home-and-landscape/mealybugs/ (Accessed: 27 October 2026).
UC IPM — Spider Mites (n.d.) Spider mite identification, feeding symptoms, hot and dusty conditions, host water stress, predators, water rinsing, and oil or soap cautions.. [Online]. Available at: https://ipm.ucanr.edu/home-and-landscape/spider-mites/ (Accessed: 27 October 2026).
UC Statewide IPM Program — Spider Mites (n.d.) Stippling and webbing as a pest lookalike. [Online]. Available at: https://ipm.ucanr.edu/PMG/PESTNOTES/pn7405.html (Accessed: 27 October 2026).
UF/IFAS Extension (n.d.) Florida Plant Disease Management Guide: Guava. [Online]. Available at: https://edis.ifas.ufl.edu/publication/PG133 (Accessed: 27 October 2026).
UF/IFAS Extension (n.d.) Cost Estimates of Producing Pink Guava in South Florida. [Online]. Available at: https://edis.ifas.ufl.edu/publication/FE1036 (Accessed: 27 October 2026).
UF/IFAS Extension — Florida Plant Disease Management Guide: Guava (n.d.) Guava rust, leaf spots, root disease, and nematode symptoms. [Online]. Available at: https://ask.ifas.ufl.edu/publication/PG133 (Accessed: 27 October 2026).
UF/IFAS Extension — Guava Growing in the Florida Home Landscape (n.d.) Guava growth, water and salt stress, soil pH, iron deficiency, and disease lookalikes. [Online]. Available at: https://edis.ifas.ufl.edu/publication/MG045 (Accessed: 27 October 2026).
UF/IFAS Extension — Guava Pests and Beneficial Insects (n.d.) Guava-specific mealybug locations on leaf axils, fruit calyxes, and touching fruits; pesticide-label caution.. [Online]. Available at: https://ask.ifas.ufl.edu/publication/IG072 (Accessed: 27 October 2026).
UF/IFAS Gardening Solutions, Guava (n.d.) Guava temperature limits, full sun, soil drainage and field-growing context. [Online]. Available at: https://gardeningsolutions.ifas.ufl.edu/plants/edibles/fruits/guava/ (Accessed: 27 October 2026).
UF/IFAS, Guava Growing in the Florida Home Landscape (n.d.) Guava sun needs, water stress, irrigation, drainage, and mulch placement. [Online]. Available at: https://ask.ifas.ufl.edu/publication/MG045 (Accessed: 27 October 2026).
University of Hawai‘i CTAHR — Guava General Information (n.d.) Guava irrigation needs through the production cycle. [Online]. Available at: https://cms.ctahr.hawaii.edu/ckm/Home/Crops/Fruits-and-Nuts/Guava/Guava-General-Information#location (Accessed: 27 October 2026).
Washington State University Pestsense — Aphids (n.d.) Aphid identification, tender-shoot colonies, movement between plants, water washing, pruning, repeat monitoring, and pesticide-label cautions.. [Online]. Available at: https://pestsense.cahnrs.wsu.edu/fact-sheet/aphids/ (Accessed: 27 October 2026).