Attevidae

Common Name

Tropical Ermine Moths

Overview

Attevidae, commonly known as Tropical Ermine Moths, are a family of moths that display distinct coloration and intriguing behavioral patterns. These moths are primarily found in tropical and subtropical regions.

Taxonomy

• Order : Lepidoptera
• Superfamily : Yponomeutoidea
• Family : Attevidae

Key Characteristics

• Size : Small to medium-sized moths.
• Wings : Characterized by bright, flashy colors and intricate patterns, often including iridescent scales.
• Body : Slender with well-defined segmentation.

Life Cycle

• Eggs : Laid singly or in small clusters, often on host plants.
• Larvae : Undergo several molts (instars), feeding extensively on host plant leaves.
• Pupae : Encased in silk cocoons, often attached to the underside of leaves.
• Adults : Emerge and engage in nocturnal activity, primarily focused on mating and oviposition.

Behavior and Ecology

• Feeding : Larvae are folivorous, feeding on a variety of host plants, including economically important crops.
• Predation : Adults and larvae are targets for various predators, including birds and parasitic wasps.

Notable Species

• Atteva aurea : Known as the Ailanthus Webworm Moth, it is recognized for its vivid orange and white coloration and its preference for the tree Ailanthus altissima.

Conservation

At present, there are no widespread conservation concerns for Attevidae. However, habitat preservation is crucial for maintaining their populations.

Significance to Humans

• Pest Status : Certain species, such as Atteva aurea, can become minor pests due to their feeding on ornamental plants and trees.
• Ecological Role : They contribute to the biodiversity of their habitats and serve as prey for various predators.

Fun Facts

• Tropical Ermine Moths belong to a small family, with fewer than 100 described species.
• The Ailanthus Webworm Moth, Atteva aurea, can sometimes be seen during the day, despite most moths being nocturnal.
• This family has a global distribution, but it is most diverse in the tropics.
• Atteva aurea larvae are known for creating distinctive web-like silken shelters on host plants.