Fairyflies
Fairyflies are tiny wasps in the family Mymaridae. Despite their name, they are wasps and some of the smallest insects in the world.
Fallen bark beetles
Fallen bark beetles are beetles in the family Zopheridae. They are typically found under the bark of dead or fallen trees.
Feather-winged beetles
Feather-winged beetles belong to the family Ptiliidae. They are among the smallest known beetles and have delicate feather-like wings.
Field crickets
Field crickets are insects in the family Gryllidae. Males are known for their loud chirping, produced by rubbing their wings together.
Fire ants
Fire ants are stinging ants in the genus Solenopsis. They are aggressive and their stings can cause painful welts or allergic reactions.
Fireflies
Fireflies, or lightning bugs, are beetles in the family Lampyridae. They produce bioluminescent light to attract mates or prey.
Flea beetles
Flea beetles are small jumping beetles in the family Chrysomelidae. They feed on plants and are considered pests of crops like cabbage and potatoes.
Fleas
Fleas are small, wingless insects in the order Siphonaptera. They are external parasites that feed on the blood of mammals and birds.
Flour beetles
Flour beetles are beetles in the genus Tribolium. They are pests of stored grains and flour, commonly found in pantries and food storage areas.
Flower flies
Flower flies, also known as hoverflies, are flies in the family Syrphidae. Many mimic bees or wasps and are important pollinators.
Forest tent caterpillars
Forest tent caterpillars are moth larvae in the genus Malacosoma. They can cause widespread defoliation of deciduous trees.
Fungus gnats
Fungus gnats are small flies in several families, such as Sciaridae and Mycetophilidae. Their larvae feed on fungi and decaying organic matter.