Trechinae

Trechinae

Classification

Pronunciation

How to pronounce Trechinae: //ˈtrɛ.kɪ.naɪ//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Images

Bembidion levettei by David R. Maddison. Used under a CC BY 3.0 license.
Bembidion zephyrum by David R. Maddison. Used under a CC BY 3.0 license.
Bembidion-quadrimaculatum-05-fws by Francisco Welter-Schultes. Used under a CC0 license.
Bembidion lapponicum by David R. Maddison. Used under a CC BY 3.0 license.
Bembidion graciliforme by David R. Madison. Used under a CC BY 3.0 license.
Bembidion-quadrimaculatum-07-fws by Francisco Welter-Schultes. Used under a CC0 license.

Summary

Trechinae is a diverse subfamily of ground beetles within the family Carabidae, consisting of over 6,700 described species worldwide, particularly prominent in terrestrial ecosystems as both predators and scavengers.

Physical Characteristics

Trechinae is characterized by their elongated bodies and distinctively shaped heads, often exhibiting a wide range of coloration, typically dark and shiny. They possess well-developed antennae and mandibles, adapted for their predatory lifestyle.

Identification Tips

Look for their distinctive elongated body shape, along with features such as their unique head shapes and coloration patterns which can vary among genera.

Habitat

Trechinae species are commonly found in a variety of terrestrial habitats, including forests, grasslands, and wetlands. They are often associated with leaf litter and soil.

Distribution

They are distributed widely throughout North America and globally, with a significant number of species present in Europe and Asia.

Diet

Trechinae beetles are carnivorous, primarily preying on small invertebrates, including other insects. They play an important role in pest control within their ecosystems.

Life Cycle

The life cycle of Trechinae includes stages of egg, larva, pupa, and adult. Timing of each stage may vary based on environmental conditions.

Reproduction

Mating occurs during specific seasons, with females laying eggs in suitable habitats that provide protection for developing larvae.

Predators

Adult Trechinae beetles can be preyed upon by birds, mammals, and larger insects.

Ecosystem Role

Trechinae beetles serve as predators of various invertebrates, helping to maintain ecological balance in their habitats.

Collecting Methods

  • Hand collection in leaf litter or soil
  • Pitfall traps

Preservation Methods

  • Ethanol storage
  • Drying and pinning

Misconceptions

Some may confuse Trechinae with other ground beetles due to their similar habitats and physical characteristics, assuming they all belong to the same family or subfamily without recognizing their specific differences.

Tags

  • Entomology
  • Ground Beetles
  • Trechinae
  • Coleoptera