Garden Pests — Page 9
A damaged leaf is a clue, not an identification. Browse questions about plant-feeding insects, lawn damage, tree pests, and the observations to collect before deciding on control.
327 questions · Page 9 of 10
Moths & ButterfliesWhen should Maine residents check county browntail moth updates?Learn when Maine residents should check county browntail moth updates, how to identify the pest across seasons, and what practical steps to take next.Beetles & WeevilsWhere can you check an emerald ash borer map?Learn where to find official emerald ash borer maps, how to identify infestations, and what rules apply to moving firewood.PlanthoppersWhich official map shows current spotted lanternfly status in Pennsylvania?Discover which official map tracks the spotted lanternfly in Pennsylvania, learn how to identify them, and find out what steps to take next.Beetles & WeevilsWhich official sources track emerald ash borer in Minnesota?Learn which official sources track the emerald ash borer in Minnesota, how to identify signs of an infestation, and when to seek professional help.Beetles & WeevilsWhich white grubs are found beneath turf roots?Learn which white grubs are found beneath turf roots, how to identify them correctly, and what steps to take next.Scale Insects & MealybugsWhiteflies vs mealybugs: how can you tell?Learn how to tell whiteflies and mealybugs apart on your houseplants and garden plants, and find out how to deal with each pest safely.Beetles & WeevilsWhy are Asian lady beetles in a house?Asian lady beetles come inside in autumn as cooler days trigger overwintering. They fly to sunny walls and slip through gaps to winter in wall voids.Moths & ButterfliesWhy are bagworms appearing on pine trees?Learn why bagworms appear on pine trees, how to identify these camouflaged pests, and what steps to take for removal and safe treatment.Other True BugsWhy are boxelder bugs gathering around windows?Boxelder bugs gather at windows in late summer and fall because sunny windows are the warmest spots on a house and the gaps let them in.Other True BugsWhy are boxelder bugs in a house in Ontario?Boxelder bugs enter Ontario homes in autumn looking for a warm place to spend the winter, slipping through cracks on sun-warmed walls.Other True BugsWhy are boxelder bugs in the house during winter?Boxelder bugs spend winter in wall cavities. When heating warms the walls, they think it is spring and wander into living spaces.Other True BugsWhy are boxelder bugs so bad this year?Boxelder bugs seem worse some years when summer turns quickly to fall, so thousands crowd onto the same sunny walls at once looking for shelter.Other True BugsWhy are chinch bugs in the house?Learn why chinch bugs wander inside homes during summer, how to identify them, and what practical steps to take outdoors.Other True BugsWhy are false chinch bugs common in Tucson?False chinch bugs boom in the Tucson desert after wet, mild winters. When wild mustards dry up in spring heat, they move into irrigated yards.Scale Insects & MealybugsWhy are mealybugs in soil?Discover why mealybugs hide in soil, how to identify them accurately, and what steps to take for effective control.Garden PestsWhy are red bugs in mulch?Red bugs in mulch may be chinch bug nymphs, clover mites, seed bugs or fire ants, drawn by damp, warm wood chips full of fungi and shelter.SlugsWhy are slugs in the house?Slugs come indoors looking for moisture and dark shelter, squeezing through gaps or riding in on potted plants brought inside.PlanthoppersWhy are spotted lanternflies common in New York City?New York City has plenty of tree-of-heaven, the spotted lanternfly's favorite host, and trains and trucks that move the bugs and their eggs.Other True BugsWhy are stink bugs clustering on a sunny exterior wall?Learn why stink bugs gather on sunny exterior walls in autumn, how to identify them, and what practical steps to take next.Other True BugsWhy are stink bugs common in Minnesota?Minnesota has many stink bugs because the invasive brown marmorated stink bug spread there. In September they gather on homes to overwinter.Other True BugsWhy are stink bugs common in Washington State?Washington State's orchards, gardens and weeds feed lots of stink bugs, and in cool September weather they head for warm buildings to overwinter.Other True BugsWhy are stink bugs in the house?Stink bugs come into houses in autumn only to escape the cold, crawling through gaps from sun-warmed walls to wait out winter in wall voids.Other True BugsWhy are there so many stink bugs in my house?Stink bugs flood houses in autumn, when cool September weather sends them looking for warm cavities. They squeeze through very narrow gaps.ThripsWhy are thrips in the house?Thrips get inside on new houseplants and their soil, or drift through window screens on warm winds. Indoor plants keep them going year-round.Moths & ButterfliesWhy are white cocoons found on a tomato hornworm?Discover why white cocoons appear on tomato hornworms, what they mean for your garden, and how to manage beneficial parasitic wasps.WhitefliesWhy are whiteflies appearing on tomato plants?Learn why whiteflies appear on tomato plants, how to identify them correctly, and what steps to take to manage an infestation safely.Moths & ButterfliesWhy can fall armyworm damage appear suddenly in a lawn?Understand why fall armyworm damage appears so quickly in lawns, how to identify the caterpillars, and how to manage them safely.Beetles & WeevilsWhy do Asian lady beetles smell?Asian lady beetles release a yellow fluid from their leg joints when disturbed or crushed. It smells strong and musty and is meant to repel predators.Beetles & WeevilsWhy do Japanese beetles gather on roses?Roses are a favorite Japanese beetle food. Feeding releases plant odors that, with beetle attractants, pull in more beetles from nearby.Scale Insects & MealybugsWhy do scale insects leave sticky residue on leaves?Learn why scale insects leave a sticky residue on your plants and how to safely identify and manage them.Other True BugsWhy do stink bugs appear indoors in winter?Learn why stink bugs wake up inside your home during winter, how to identify them, and how to safely remove them without a smelly mess.Other True BugsWhy do stink bugs enter homes in autumn?Discover why stink bugs invade homes in autumn, how to identify them correctly, and the best ways to handle these seasonal visitors safely.Other True BugsWhy do stink bugs stink?Stink bugs release a strong odor to ward off predators whenever they are squeezed, handled or even sucked into a vacuum.Flies & GnatsWhy does an apple maggot quarantine area matter to home growers?Understand why apple maggot quarantine rules matter to home growers, how to identify the pest, and what management choices to make.Beetles & WeevilsWhy is a black vine weevil in the house?Learn why a black vine weevil might show up inside your house, how to identify it, and what practical steps to take next.PlanthoppersWhy is tree-of-heaven linked to spotted lanternflies?Explains the biological link between tree-of-heaven and spotted lanternflies, offering identification cues and safe removal steps.