Temnoscheila

Pronunciation

How to pronounce Temnoscheila: //ˌtɛmnoʊˈskiːlə//

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Summary

Temnoscheila is a genus of beetles in the family Trogossitidae, known for their bark-gnawing habits. With about 19 described species, they primarily inhabit wooded areas in the New World and are recognized by their distinct pronotal shapes and surface punctations, contributing to wood decomposition.

Physical Characteristics

6-23 mm in length, pronotum with lateral margins angularly deflexed behind, labium at apex deeply triangularly emarginate, male submentum with median pit.

Identification Tips

Identify by examining the shape of the pronotum and the presence of specific frontal lines or punctation patterns. For example, T. omalopha has strongly produced anterior pronotal angles, while T. chlorodia has an impressed frontal line and coarse punctation.

Habitat

Primarily located in wooded areas where they can be found on or around decaying bark.

Distribution

New World (primarily Neotropical) with about 10 species in the US, mostly found in the southern regions, and one species extending into western Canada.

Diet

Bark-gnawing beetles; larvae feed on decaying wood, while adults may feed on the surface of bark.

Life Cycle

Information on the specific life cycle is limited, but as beetles, they undergo complete metamorphosis: egg, larva, pupa, and adult.

Reproduction

Details on reproduction are not provided, but likely involves laying eggs in or on decaying wood.

Predators

Specific predators are not mentioned, but they may be preyed upon by various birds or other insectivorous animals.

Ecosystem Role

Plays a role in the decomposition of wood and recycling of nutrients in their habitats.

Economic Impact

Can inflict a painful bite if handled carelessly, posing a risk when interacting with them.

Health Concerns

Can inflict a painful bite if handled carelessly.

Collecting Methods

• Hand collection in the field
• Using insect nets near decaying wood

Preservation Methods

• Pinning
• Alcohol preservation

Similar Taxa

• Trogossita
• Bark beetles

Misconceptions

Often misspelled as "Temnochila". They are not harmful unless mishandled.

Tags

• beetles
• Trogossitidae
• bark-gnawing beetles
• Temnoscheila