Scarites subterraneus

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Scarites subterraneus
Kaldari Scarites subterraneus 01.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Carabidae
Genus: Scarites
Species:
S. subterraneus
Binomial name
Scarites subterraneus
Fabricius, 1775
A Big-headed Ground Beetle with a mealworm, which it would later eat. They're willing to eat a variety of invertebrates. Big-headed Ground Beetle with mealworm.jpg
A Big-headed Ground Beetle with a mealworm, which it would later eat. They're willing to eat a variety of invertebrates.

Scarites subterraneus, known generally as the big-headed ground beetle or (tunneling large)pedunculate ground beetle, is a species of ground beetle in the family Carabidae. It is found throughout the Caribbean, Central America, and North America. [1] [2] [3] [4]

Contents

Description

These beetles are generally between 15.0 and 30.0 mm. [5] They have large mandibles, which have two teeth, for hunting and consuming their prey. The antenna of the creature are not clubbed or elbowed, rather, segmented. The elytra of S. subterraneus is fairly striated (streaked). Their front femora are adapted to dig. [6] [7] Wings present. Forebody loosely attached to the body. Antennomeres are 8–10 moniliform. [5]

Habitat

Scarites subterraneus, as its scientific name suggests, spends much of its time burrowing and hiding under logs, rocks, soil and leaf litter. [6] They are found in a variety of habitats, such as forests and meadows. They are frequently encountered in residential areas, urban and rural alike. [7] Their environment is generally defined as coastal. [8]

Diet

Scarites subterraneus is a carnivorous beetle. This is clear when looking at its large jaws, which it uses to hunt its prey. [7] The specific diet of S. subterraneus is not remarkably clear (they seem to be willing to eat any invertebrate in any stage of life), but in captivity they have been observed to eat mealworms.

Habits

Scarites subterraneus spends the day hiding under safe places (such as the aforementioned logs, rocks, and leaf litter) and comes out at night in search of prey. [7] When startled, the beetles stiffen up, tuck in their limbs, and play dead. [9] This habit is kept up until they feel safe to return to their "living" mode. Usually, this is when they are in a place they can easily escape from a predator in, or when the predator is out of sight. Adults are generally the most active during spring and summer. They are quite fond of light, and can be found at porch lights often. [5]

Predators

Predators of Scarites subterraneus are not very well studied, but American Robins, Eastern Bluebirds, Hermit Thrush, and Northern Cardinals have been observed consuming them. [8]

Related Research Articles

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<i>Broscus cephalotes</i> Species of beetle

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<i>Scarites quadriceps</i> Species of beetle

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<i>Omophron nitidum</i> Species of beetle

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<i>Scarites vicinus</i> Species of beetle

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<i>Habroscelimorpha dorsalis</i> Species of beetle

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<i>Galerita lecontei</i> Species of beetle

Galerita lecontei, the false bombardier beetle, is a species of ground beetle in the family Carabidae. It is found in the Caribbean Sea, Central America, North America, and the Caribbean. They are primarily characterized by their dark coloration, rapid movement, lifespan longevity, and nocturnal hunting behavior. Their elytra, which are the hardened forewings provide protection for their hind wings and exhibit a glossy texture. Many species within this family can secrete harmful chemicals as a defense mechanism against predators. Furthermore, this species has evolved various predator deterrents, often in the form of dischargeable glands near their abdominal area, a common feature across several beetle families, including Carabidae, Dytiscidae, and Gyrinidae.

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References

  1. "Scarites subterraneus Report". Integrated Taxonomic Information System. Retrieved 2019-09-23.
  2. "Scarites subterraneus". GBIF. Retrieved 2019-09-23.
  3. Bousquet, Yves (2012). "Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico". ZooKeys (245): 1–1722. Bibcode:2012ZooK..245....1B. doi: 10.3897/zookeys.245.3416 . PMC   3577090 . PMID   23431087.
  4. 1 2 3 V. Evans, Arthur (2014). Beetles of Eastern North America. Princeton University Press. p. 75. ISBN   978-0-691-13304-1.
  5. 1 2 "Species Scarites subterraneus - Big-headed Ground Beetle". bugguide.net. Retrieved 2023-04-25.
  6. 1 2 3 4 "Burrowing Big-headed Ground Beetle". Project Noah. Retrieved 2023-04-25.
  7. 1 2 "Big-headed Ground Beetle - Encyclopedia of Life". eol.org. Retrieved 2023-04-25.
  8. Ago, Sustainablyyoursin #nature • 6 Years (2017-08-25). "Daily Photo Shoot (8/25/17): Big Headed Ground Beetle (Scarites subterraneous)". Steemit. Retrieved 2023-04-25.{{cite web}}: CS1 maint: numeric names: authors list (link)

Further reading