What Do Crickets Eat?
Crickets are omnivorous insects, meaning they consume both plant and animal matter. Whether foraging in a meadow or living in a carefully managed enclosure, crickets are opportunistic eaters that will take advantage of almost any food source available to them. Understanding their diet is essential for anyone keeping crickets as pets, raising them as feeder insects, or simply curious about these fascinating creatures.
The Natural Diet of a Cricket
In the wild, crickets are true generalists. Their diet shifts depending on the season, their environment, and what happens to be available. Here's a breakdown of what crickets typically consume:
Plant Material
- Leaves and stems — both fresh and decaying plant matter
- Seeds and grains — a favorite energy source
- Flowers and petals — consumed when available
- Fruits — especially fallen or rotting fruits rich in sugar
- Fungi and mold — decomposing organic material
Animal Matter
- Small insects — including other crickets (cannibalism is common when protein is scarce)
- Insect eggs — an opportunistic protein source
- Dead invertebrates — crickets are scavengers as much as hunters
Organic Debris
- Decaying wood and bark
- Decomposing leaves and organic compost
- Dead plant roots
Crickets as Omnivores: Why Variety Matters
Crickets require a balanced intake of carbohydrates, proteins, fats, vitamins, and minerals to thrive. A diet lacking in protein, for instance, will cause crickets to turn cannibalistic — attacking and eating weaker or molting individuals in the colony. This is a key reason why cricket keepers must provide protein-rich foods alongside plant matter.
What Crickets Eat in Captivity
For captive crickets — whether kept as pets or raised as feeder insects — a varied diet closely mimics what they'd find in nature. Popular foods include:
| Food Type | Examples | Benefit |
|---|---|---|
| Vegetables | Carrots, kale, collard greens, zucchini | Vitamins, hydration |
| Grains & Cereals | Oats, wheat bran, commercial cricket chow | Carbohydrates, energy |
| Fruits | Apple slices, orange wedges | Sugars, hydration |
| Protein Sources | Fish flakes, dry dog food, cat food | Essential amino acids |
| Calcium Sources | Crushed eggshells, reptile calcium powder | Bone health (especially for gutloading) |
Foods Crickets Should Avoid
Not everything is safe for crickets to eat. Certain foods can be toxic or cause health issues:
- Salty or heavily processed foods — can dehydrate and harm crickets
- Citrus peels in large amounts — can be irritating
- Pesticide-treated produce — always wash vegetables before feeding
- Moldy or rotten food past the decay stage — can introduce harmful bacteria
Key Takeaways
Crickets are remarkably adaptable eaters. Their omnivorous nature makes them easy to feed but also requires attention to nutritional balance. Whether you're raising a colony at home or simply curious about what's chirping in your backyard, understanding cricket diet helps you appreciate just how resourceful these little insects truly are.