🐶 Bugs & critters · vet-sourced verdicts
Is it bad when dogs eat bugs?
Chasing and snacking on bugs is classic behavior — and mostly harmless protein. A few critters bite back, and one risk is worth knowing by name: lungworm, carried by snails and slugs. Every common critter, sorted by risk.
✅ Safe in moderation (2)
🪰FliesSnapping up the occasional fly is harmless for dogs — flies aren’t toxic. Just keep them away from fly bait and maggots on spoiled food.Yes🦗CricketsCrickets are non-toxic — they’re even a protein source in some pet foods. The odd one is fine, though crunchy shells may cause mild tummy upset.Yes
⚠️ Caution — limits apply (8)
🪳CockroachesA single cockroach won’t poison your dog, but roaches can carry stomach parasites like roundworm, and any insecticide on them is the real danger.In moderation🐜AntsA few ants are harmless, but fire ants can sting your dog’s mouth, and ants swarming food often mean it has spoiled.In moderation🕷️SpidersMost household spiders are harmless if eaten, but a bite from a venomous one (black widow, brown recluse) is a serious concern.In moderation🐝Bees & waspsSwallowing or biting a bee or wasp is usually minor, but a sting in the mouth or throat can swell, and some dogs have allergic reactions.In moderation🪱Worms (earthworms)Earthworms aren’t toxic, but they can carry parasites, and worms from treated soil may have chemicals on them. The odd one is low-risk.In moderation🐌SnailsSnails themselves aren’t poisonous, but they and slugs can carry lungworm, a serious parasite for dogs. Discourage snail-eating and ask your vet about prevention.In moderation🐌SlugsSlugs can carry lungworm larvae, a genuine risk for dogs — especially those that eat slugs regularly. The slime can also cause drooling and tummy upset.In moderation🐞LadybugsNative ladybugs are mostly harmless, but Asian lady beetles release an irritating fluid and can stick to the roof of the mouth, causing chemical burns and drooling.In moderation
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By the CanMyPet Editorial Team · Verdicts reviewed against ASPCA Animal Poison Control, the American Kennel Club (AKC) and Pet Poison Helpline · How we review →
CanMyPet provides general information reviewed against trusted sources (ASPCA, AKC, Pet Poison Helpline). It is not a substitute for professional veterinary advice. When in doubt, always contact your veterinarian.