Can Cats Eat Crickets? Avoid Wild Insects as Treats

The concern is an infected insect, not a diagnosis after one catch

Merck explains that infective Physaloptera larvae can occur in insects including crickets. After a cat eats an infected host, the larvae can develop into adult stomach worms. This supplies a reason to prevent insect hunting rather than treating a cricket as an intentional snack.

It does not establish that every cricket is infected or that a cat definitely acquired worms after swallowing one. Keep the event in the feeding and exposure history and discuss it with the veterinarian. Do not jump from a possible route of infection to a diagnosis or start medication on that assumption.

Stomach-worm effects may be difficult to recognize

Merck describes infections that produce no obvious signs, as well as cases involving stomach inflammation, vomiting, reduced appetite, or dark feces. Heavier infections can be associated with weight loss or anemia. A cat appearing comfortable immediately after the catch therefore does not answer every question about possible parasite exposure.

Conversely, vomiting after an insect does not prove which parasite or other condition is involved. Tell the veterinarian about the catch and the timing of symptoms instead of using the observation to diagnose worms yourself. If the cat is repeatedly ill or not eating normally, arrange assessment rather than waiting for another hunting episode.

If you share a safe morsel, offering it from a shallow cat bowl or hiding it in a puzzle feeder keeps the amount small.

Tell the veterinarian what you actually observed

Record whether you saw the insect swallowed or only found the cat playing with it. Describe the location and approximate time, and say when the insect’s identity is uncertain. A clear account of the event is more useful than reporting a specific species that you did not actually identify.

Include the cat’s age, usual diet, current parasite-prevention history, and any symptoms. Do not assume a product the cat already receives covers every possible stomach worm. The veterinarian can interpret the history and choose an appropriate assessment without an owner adding another medication or changing a prescribed product on their own.

Avoid at-home deworming based on a guess

Merck’s professional guidance describes challenges in diagnosing Physaloptera, including difficulty finding eggs with some routine fecal methods. That is a reason for veterinary assessment, not a reason to conclude at home that either a normal-looking stool or one test settles every concern.

Do not use a human medicine, an arbitrary dewormer, or a home recipe after an insect catch. Describe the exposure and let the veterinarian decide whether testing or treatment is indicated. Keep the conversation about this cat’s condition instead of following a dosing suggestion intended for another animal or a different parasite.

Commercial insect ingredients are a separate nutrition question

This page concerns a cat catching and swallowing a cricket from the environment. It does not evaluate a processed insect ingredient in a complete pet food. Cornell explains the importance of appropriate complete feline nutrition, so assess any manufactured diet by its full formulation and your veterinarian’s advice rather than by an insect ingredient alone.

Do not feed loose wild crickets to imitate a commercial diet. Likewise, a reptile’s insect-feeding advice is not a cat-feeding recommendation. A growing kitten needs a complete growth diet, and its tendency to investigate moving objects does not make every insect it catches a suitable food.

Reduce hunting opportunities and act on illness

Interrupt insect chasing calmly, remove access to the insect, and use appropriate play or a familiar food reward instead. Contact your veterinarian about persistent vomiting, appetite loss, dark stools, or weight change. Marked weakness, collapse, breathing difficulty, or severe distress needs urgent care rather than a wait to see whether the cat hunts again.

This page is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your pet.