Phalacridae

Common Name

Shining flower beetles

Overview

Phalacridae, commonly known as shining flower beetles, are a small family of beetles noted for their association with flowers and fungi. Most species are typically found in various parts of the world, commonly inhabiting forested areas, grasslands, and meadows.

Taxonomy

Key Characteristics

  • Size : Small, generally 1-3 mm in length
  • Shape : Oval to somewhat elongated
  • Color : Often shiny, with colors ranging from black to various shades of brown
  • Antennae : Clubbed or slightly serrate
  • Wings : Elytra cover the second wing pair, typical of beetles, and usually have a smooth, shiny surface

Life Cycle

  • Egg : Laid on flowers or fungi
  • Larvae : Feed on flowers, seeds, or fungal spores
  • Pupa : Develops within the substrate around or on the food source
  • Adult : Emerges typically in spring or summer

Behavior and Ecology

Shining flower beetles are often found on flowers where they feed on pollen and plant material. Some species are associated with fungi and play a role in breaking down fungal bodies. These beetles are important for pollination and the decomposition process in their ecosystems.

Notable Species

  • Phalacrus politus
  • Olibrus bicolor
  • Stilbus atomarius

Conservation

Most species of the Phalacridae family are not currently of significant conservation concern. However, habitat destruction can impact their populations due to their reliance on flowers and fungi.

Significance to Humans

While they are not major pests or beneficial insects, shining flower beetles contribute to the pollination of several flower species and the decomposition of fungi, aiding in nutrient cycling.

Fun Facts

  • Shining flower beetles get their name from their smooth, glossy appearance.
  • They are most active during the warmer months, particularly in the spring and summer.
  • Some species have cryptic coloration that allows them to blend in with their floral hosts.
  • Despite being small, these beetles are quite diverse, with over 600 species recorded worldwide.