Praying mantids are among the most unusual and efficient insect hunters you may encounter. The name mantis comes from Greek, meaning “prophet” or “soothsayer,” inspired by their prayer-like posture. They hold the front of their body upright with enlarged forelegs folded together. The European mantid (Mantis religiosa) is most often seen in gardens, while the Chinese mantis (Tenodera aridifolia sinensis) is frequently sold through garden catalogs. Both belong to the family Mantidae
- Unique physical traits
- Size ranges from 2–4 inches long
- Colors include green, brown, or yellow for excellent camouflage
- Triangular head with two large compound eyes and three simple eyes
- Can rotate the head 180 degrees—the only insect able to “look over its shoulder”
- Detect movement up to 60 feet away
- Equipped with ultrasound-sensitive ears, wings, and powerful raptorial forelegs
- Young mantids can regenerate damaged limbs
- Feeding behavior
- Strict carnivores with large appetites
- Nymphs feed on aphids, mosquitoes, leafhoppers, and caterpillars
- Adults eat beetles, grasshoppers, crickets, butterflies, spiders, and other insects
- Indiscriminate feeders—consume pests and beneficial insects alike
- Ambush predators with lightning-fast strikes lasting only 50–70 milliseconds
- Life cycle
- Incomplete metamorphosis; one generation per year
- Overwinter as egg masses attached to bark, wood, rocks, or stems
- Egg cases resemble small foam “packing peanuts”
- Nymphs hatch in spring or early summer and mature by late summer after several molts
- Behavior and ecology
- Females are larger; males fly more readily
- Mating may involve female cannibalism, usually if food is scarce
- Vulnerable to birds, spiders, and other mantids
- Prefer early morning and late afternoon activity
- Territorial and relatively stationary
- A typical garden supports only a few adults, limiting their overall pest control impact