Corylophidae

Common Name

Minute Hooded Beetles

Overview

Corylophidae, commonly known as minute hooded beetles, are a small family of beetles within the superfamily Coccinelloidea. With their tiny size and distinctive body shape, they have attracted the interest of entomologists studying various ecological niches and behaviors of beetles.

Taxonomy

Key Characteristics

  • Size: Extremely small, typically 0.5 to 2.5 mm in length.
  • Shape: Convex and rounded body with a hood-like pronotum that nearly covers the head.
  • Color: Often reddish-brown or black, with some species having varied coloration.
  • Antennae: Clubbed or beaded, which help in differentiating them from other beetles.

Life Cycle

Minute hooded beetles undergo complete metamorphosis including the stages of egg, larva, pupa, and adult. The specific life cycle durations vary depending on the species and environmental conditions.

Behavior and Ecology

  • Habitat: Found in leaf litter, under bark, decaying wood, and organic matter where they likely play a role in the decomposition process.
  • Diet: Primarily feed on fungal spores and mycelia, which places them as important contributors to nutrient recycling in ecosystems.
  • Activity: Many species are known for their crepuscular or nocturnal activity.

Notable Species

  • Orthoperus setiger: One of the more widely studied species due to its distinct body structure and habitat preferences.
  • Corylophus cassidoides: Recognized for its more prominent rounded pronotum over the head.

Conservation

While no specific conservation measures are targeted at Corylophidae, their conservation is indirectly supported by forest and woodland conservation practices. Preserving their natural habitats remains crucial for their populations.

Significance to Humans

Though minute and often overlooked, they contribute to the breakdown of organic material and fungal control, indirectly supporting agricultural and ecological health. They are not considered pests and hold no known negative impacts on human endeavors.

Fun Facts

  • Smallest Beetles: Corylophidae are among the tiniest beetles in the world.
  • Climate Adaptation: Their ability to thrive in diverse environmental conditions makes them a subject of study in adaptive behaviors.
  • Hidden Lifestyle: Their minute size allows them to live in crevices and under decaying matter unnoticed.
  • Fungal Feeders: They play a crucial role in the decomposer community by feeding on fungi.