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Big-headed ground beetle

Big-headed ground beetle

Scarites subterraneus

A species of Scarites, Also known as Big-headed pedunculate ground beetle

The big-headed ground beetle can be distinguished from other ground beetles by its unusual, very large, flat head and narrow connection between the middle and lower parts of its body. They burrow into the soil and feed on other insects during the larval and adult stages. They are fast runners but are most likely to be seen near lights, which attract them, or under rocks and debris on the ground.

General Info About Big-headed ground beetle
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Attributes of Big-headed ground beetle
Colors
Black
Habitat
under the stone; leaf litter; soil; under the log; under the bark
Adult Food Sources
Insects, earthworms, larvae, slugs, other arthropods
Larva Food Source
Small insects, insect larvae, soft-bodied arthropods, worms, spiders
Non-poisonous
Not reported
Borer
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
Not reported
Predatory
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Chewing mouthparts
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Distribution Area of Big-headed ground beetle
Canada, United States
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Predators of Adult Big-headed ground beetle
Birds, small mammals, reptiles, larger spiders, centipedes
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Interesting Facts About Big-headed ground beetle
Big-headed ground beetle use specialized hairs on their bodies to detect changes in air pressure, alerting them to potential prey or predators nearby.
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Scientific Classification of Big-headed ground beetle
Tips for Finding Big-headed ground beetle
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Adult Habitat of Big-headed ground beetle
Forests and Woodlands, Urban and Suburban Areas, Grasslands and Prairies, Agricultural and Cultivated Areas
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Habitat Preferences of Big-headed ground beetle Through Different Life Stages
The larvae of big-headed ground beetle primarily inhabit underground environments where they can find moist soil rich in organic matter, such as leaf litter or decaying wood, ideal for their development. As adults, big-headed ground beetle are often found under rocks, logs, and within the layers of debris on the forest floor in various terrestrial habitats, including woodlands and grasslands. To observe the distinct stages, search the soil for larvae by carefully digging and sifting through leaf litter, while for adults, gently flipping over rocks or logs during the night when they are most active can reveal their presence.
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Beneficial Effects of Big-headed ground beetle
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Explore how insects help as pollinators, pest predators, and biocontrol agents. From seed dispersal to decomposition, they play vital roles in our ecosystem.
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Predators of Pests
Predators of Pests
Purpose
Feed Itself
Diets
Caterpillars
Big-headed ground beetle, as both an adult and larva, actively hunts and feeds on various ground-dwelling pests. It primarily consumes caterpillars and larvae of other insects to sustain itself. Using its strong mandibles, big-headed ground beetle can capture and crush its prey with ease, making it an effective biological control agent in managing pest populations in agriculture.
Common Questions People Also Ask
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