Bugs & Insects Facts for Kids
Creepy-crawly facts about insects and bugs
Paper wasps make their nests from wood pulp — they scrape fibres from dead wood and plants, chew them with saliva, and layer the resulting paper to build their hexagonal cells.
Leaf insects are such convincing mimics that they even sway gently as they walk, imitating the movement of a leaf in the breeze to avoid detection.
Cockroaches can hold their breath for up to 40 minutes and survive underwater for 30 minutes — they breathe through spiracles on their sides, not through their mouths.
Parasitoid wasps lay their eggs inside living caterpillars; the larvae hatch and eat the caterpillar from the inside out while keeping it alive, finally emerging through its skin.
Social insects use dozens of different pheromone signals to coordinate behaviour — ant colonies have been shown to use at least 20 distinct pheromone messages for everything from alarm to trail laying to recruitment.
Grasshoppers and dragonflies undergo incomplete metamorphosis: their young (nymphs) look like small wingless versions of the adult and grow through a series of moults rather than a pupal stage.
Colony collapse disorder, where worker bees mysteriously disappear from hives, has devastated honeybee populations worldwide; contributing factors include pesticides, habitat loss, pathogens, and poor nutrition.
Monarch butterflies use two independent navigation systems for their migration: a time-compensated sun compass in the antennae and a magnetic sense that helps them on cloudy days.
Most flying insects use asynchronous flight muscles that are not directly wired to nerve impulses — instead they vibrate at high frequencies through a mechanical resonance, allowing wings to beat far faster than nerves can fire.
Orb-weaver spider webs are mathematical marvels — the spacing of the radial and spiral threads is optimised to maximise prey capture while minimising the amount of silk required.