Dermestes

Pronunciation

How to pronounce Dermestes: /dɛrˈmɛstiːz/

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Summary

Dermestes is a genus of beetles in the family Dermestidae, known for their role in the decomposition of animal materials, with larvae adapted to feed on dead flesh and hides. While they can be pests in museum collections, they also serve important ecological functions.

Physical Characteristics

5‒12 mm in length, largest members of the family Dermestidae.

Identification Tips

Identification can be based on coloration and the presence of specific markings; consult taxonomic keys for species-level identification.

Habitat

Dermestes species are found worldwide, typically on carrion, hides, and sometimes in stored foods.

Distribution

Worldwide, with about 17‒18 species in local areas and nearly 100 species globally.

Diet

Larvae feed on dead and dried animal materials, including carrion, dried meat, and skin; they are also known to be cannibalistic.

Life Cycle

Life cycle includes egg, larval, pupal, and adult stages; larvae can take several weeks to months to develop depending on environmental conditions.

Reproduction

Reproduction typically involves laying eggs on suitable food sources, such as carrion.

Predators

Predators include various insectivorous birds, mammals, and other insects.

Ecosystem Role

Dermestes species play a crucial role in decomposition; they help in breaking down animal remains, making nutrients available in the ecosystem.

Economic Impact

Can be pests in museums, damaging preserved specimens; however, they are also used in cleaning tissue from skeletons in controlled environments.

Cultural Significance

Some species are used in forensic entomology to estimate time of death in human corpses.

Collecting Methods

• Hand collection from sites with carcasses or stored animal materials.
• Use of pitfall traps in habitats where they are commonly found.

Preservation Methods

• Drying specimens in an airtight container with desiccants.
• Freezing specimens to kill pests and prevent degradation.

Similar Taxa

• Other genera in the family Dermestidae.

Misconceptions

They are often confused with other beetles that infest stored products, but their ecological role is distinct due to their specific feeding habits.

Tags

• Dermestidae
• Skin beetles
• Decomposers
• Forensic entomology
• Museum pests