Carabini
Carabini
Classification
- Phylum: Arthropoda
- Subphylum: Hexapoda
- Class: Insecta
- Order: Coleoptera
- Suborder: Adephaga
- Family: Carabidae
- Subfamily: Carabinae
- Tribe: Carabini
Pronunciation
How to pronounce Carabini: /ˈkærəˌbaɪni/
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Images
Summary
The tribe Carabini consists of numerous genera and species of ground beetles known for their predatory habits and significant roles in controlling pest populations in various environments.
Physical Characteristics
Antennal segments 2 and 3 carinate (ridged) in some genera; mandibles with transverse rugosities, elytra with developed humeri, and well-developed wings are common characteristics. Some genera have cylindrical, non-carinate antennal segments and smooth or finely punctate mandibles.
Identification Tips
Compare mandibles and antennae of Carabus vinctus (smooth or finely punctate mandibles and cylindrical antennae) with Calosoma sayi (transverse rugosities on mandibles and carinate antennal segments).
Habitat
Ground beetles typically inhabit a variety of terrestrial environments, often found under leaf litter, logs, or rocks.
Distribution
Worldwide distribution with approximately 900 species; in the studied area, around 55 species are present.
Diet
Carnivorous; they primarily feed on other insects.
Life Cycle
Life cycles typically involve egg, larval, pupal, and adult stages, with larvae being predatory before pupation.
Reproduction
Reproductive strategies vary but generally involve laying eggs in safe locations where larvae can emerge into favorable environments for growth.
Predators
Natural predators include birds, mammals, and other insects that prey on beetles.
Ecosystem Role
Predators of pests, contributing to the ecological balance by controlling insect populations.
Economic Impact
Beneficial impact by controlling pest populations in agricultural and natural systems, though no negative economic impacts noted for the group as a whole.
Collecting Methods
- Pitfall traps
- Hand collecting under debris
- Sweeping from vegetation
Preservation Methods
- Pinning
- Alcohol preservation
- Drying specimens
Evolution
Tribe Carabini evolved as ground beetles with adaptations for predation and diverse habitats, resulting in a rich array of species diversity.
Misconceptions
Some may confuse these beetles with less beneficial species of beetles, mistakenly believing all are pests.
Tags
- Carabini
- ground beetles
- Carabidae
- insecta
- coleoptera