Good Bug or Garden Pest? Know Before You Spray
Every gardener eventually stands over a plant, looking at an unfamiliar insect, holding a spray bottle and wondering: friend or foe?
It’s a genuinely important question. Ladybug larvae — which look like tiny spiky alligators — are voracious aphid killers, and they get sprayed constantly by gardeners who don’t recognize them. Identify first; act second.
The allies you don’t want to kill
These beneficials do free pest control, and several look alarming:
- Ladybug larvae: spiky, black-and-orange — each eats hundreds of aphids
- Lacewing larvae: tiny mandibled predators of aphids, mites and thrips
- Hoverflies: wasp mimics whose larvae clear aphid colonies
- Parasitoid wasps: tiny, stingless, and the reason hornworms turn up covered in white cocoons
- Ground beetles: nighttime slug and cutworm hunters
The pests worth acting on
Correct ID also tells you which treatment actually works:
- Aphids: sap-suckers that multiply fast — often controllable with a water jet and the beneficials above
- Squash bugs and stink bugs: similar looks, different damage and controls
- Tomato hornworms: huge green caterpillars — hand-picking beats spraying (unless they carry parasitoid cocoons, in which case leave them)
- Japanese beetles, cabbage worms, spider mites: each has a specific, targeted response
Why identification changes the outcome
Broad-spectrum spraying kills allies with enemies and often makes infestations worse once predators are gone. Knowing the exact species lets you use the narrowest effective response — or no response at all.
Scout your garden with Picture Bug
- Photograph the insect on the plantGet close — where it sits and what it’s doing are useful context for you too.
- Identify it from the photoPicture Bug names the species in seconds, across 10,000+ insects including larvae stages.
- Check what it eatsThe profile’s diet facts answer the real question: is it eating your plants, or eating the pests?
- Build your garden logYour collection becomes a season-by-season record of who lives in your garden.
Garden smarter, spray less. Get Picture Bug and know every insect in your garden by name.
Get Picture Bug: Identifier Insect
Identify any insect, spider or bug from a photo. Download now on the App Store.
