What kind of bug is this?
Upload a clear photo and the identifier reads the features a person would check by eye — body shape, number of legs, wing type, antennae, color and markings — then returns the most likely species with a plain-language safety rating.
A fast manual shortcut while you wait: six legs means an insect, eight means a spider, mite or tick, and lots of legs means a centipede or millipede. Photo identification isn't flawless, so when the tool isn't sure, it says so plainly rather than inventing a confident answer.
Bug, insect, or spider? Why the word matters
In everyday speech, "bug" covers anything small that crawls. For identification it pays to be precise, because placing your creature in one group instantly rules out roughly three-quarters of the possibilities.
| Group | Legs | Body parts | Antennae | Examples |
|---|
| InsectsInsecta | 6 | 3 — head, thorax, abdomen | Yes | Beetles, flies, ants, bees, butterflies |
| ArachnidsArachnida | 8 | 2 — cephalothorax + abdomen | No | Spiders, mites, ticks, scorpions |
| MyriapodsMyriapoda | Many | Many segments | Yes | Centipedes, millipedes |
| True bugsHemiptera | 6 — a subset of insects | 3 | Yes | Bed bugs, stink bugs, aphids |
There's a real distinction hiding in there that trips people up: every true bug is an insect, but most insects are not "true bugs." A true bug belongs to the order Hemiptera — the group with piercing-sucking mouthparts and half-leathery forewings called hemelytra. A beetle or a bee is an insect but not a true bug. And spiders, ticks and mites aren't insects at all.
So count the legs first. Eight legs means you want the Spider tab on the identifier above. Six legs with visible antennae is an insect — the Bug tab handles it.
How to identify a bug: a 7-point checklist
Even before the tool answers, running through these narrows things down fast — and it teaches you what the AI is looking at.
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1
Number of legs
Six means an insect, eight means an arachnid, many means a centipede or millipede. This single count rules out most of the field.
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2
Body shape
Round, long, flat, segmented, pear-shaped or globular. Flat bodies suggest something that lives in cracks; globular ones often mean a spider's abdomen.
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3
Wings
None, two (true flies), four (bees and wasps), or hard covers called elytra (beetles). Wing count separates orders faster than color ever will.
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4
Antennae
Long and threadlike, short and elbowed, clubbed, feathery, or none visible. Worth more than it looks — see the note below.
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5
Color and pattern
Solid, striped, spotted, banded or iridescent — and where on the body the pattern sits, which matters more than the color itself.
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6
Size
Body length beats leg-span for accuracy. Put a coin or a fingertip in the photo and the scale becomes unambiguous.
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7
Where you found it
A bed, a kitchen counter, a bathroom drain, a houseplant or open ground each points to a different short list of usual suspects.
One feature is worth more than it looks: antennae. They vary so much between insect orders that shape alone often points to the right group — long and threadlike on cockroaches and true bugs, elbowed and clubbed on bees and ants, feathery on many male moths, clubbed on butterflies.
How accurate is photo-based bug identification?
Honest answer: accuracy depends far more on your photo than on any marketing number. A sharp, well-lit, close-up shot of a common adult species on a plain background gets a strong result. A blurry photo of a larva against busy leaves does not.
Immature stages are genuinely harder — caterpillars, larvae and eggs carry fewer distinguishing features than adults, which is true even for trained entomologists. Some pairs are easy to confuse no matter how good the photo is: a varied carpet beetle mistaken for a bed bug nymph, a hoverfly mistaken for a yellowjacket, a crane fly mistaken for a giant mosquito.
We don't post a headline accuracy percentage, because a number with no test set behind it means nothing. What the tool does instead is show its confidence on every result, and say plainly when it isn't sure.
| What to give it | Why it helps |
|---|
| A sharp, in-focus photo in natural light | Hard shadows hide the fine features the model reads |
| The whole body — head, legs, wings | Wing venation and leg ratio are among the most reliable clues |
| A plain background | Busy backgrounds can pull the model onto the wrong subject |
| A top view and a side view | Two angles separate look-alikes that one angle can't |
| The location and the size | Range and scale rule out species that only occur elsewhere |
Dangerous or harmless? What the ID is really for
Most insects are completely harmless. Of the few that can hurt people, the risk comes from one of three things.
Venom
Delivered by a sting or a bite. Among insects the practical concern is an allergic reaction to bee, wasp or hornet stings. Among spiders, only the black widow (shiny black, red hourglass underneath) and the brown recluse (violin marking, and only within its range) are medically significant in North America.
Disease transmission
Mosquitoes (West Nile, Zika, dengue), certain ticks (Lyme, Rocky Mountain spotted fever) and kissing bugs (Chagas) are the main vectors. Identification matters here because the species determines the risk, not the bite itself.
Damage to your home or food
Termites, carpenter ants and carpenter bees attack wood; pantry moths and weevils ruin stored food. Nothing here threatens you directly, but catching it early is the difference between a nuisance and a repair bill.
Here's the catch that makes identification worth doing: a lot of alarming bugs are harmless mimics. Hoverflies copy wasps, clearwing moths copy bees, and crane flies look like giant mosquitoes but don't bite at all. This is Batesian mimicry — a harmless species wearing the warning colors of a dangerous one. The reverse also exists: aposematic coloring, where a genuinely toxic insect such as a monarch advertises the fact in orange and black. Color alone can't tell them apart. Body shape and proportion can, which is exactly what a photo identifier reads.
What each identifier covers
Four tools share the same upload, the same wizard and the same result card. Pick the tab that matches what you're looking at.
Is my photo stored?
No. Your photo is sent for identification, the result comes back, and that's the end of it — nothing is stored, sold, or reused afterwards.
There's no account to create and no email required. The identifier is free to use.