Pithemera

Pithemera is a genus of moths belonging to the family Geometridae, often referred to as geometer moths or inchworms due to the characteristic looping movement of their larvae. These moths are part of the subfamily Larentiinae.

Description

While specific details vary among species within the Pithemera genus, they generally exhibit typical geometer moth characteristics. Adult moths are usually medium-sized with relatively broad wings, often displaying cryptic coloration patterns of browns, grays, and sometimes greens, which aids in camouflage. The wings at rest are typically held flat against the surface they are perched on, blending seamlessly with bark or foliage.

Distribution and Habitat

The distribution of Pithemera species is largely determined by the distribution of their larval food plants. They are found in various regions depending on the specific species, but generally inhabit forested areas and woodlands.

Life Cycle

The life cycle of Pithemera moths follows the typical pattern for Geometridae. The female moth lays eggs on or near the host plant. The larvae, known as inchworms or loopers, feed on the leaves of these plants. As they grow, they shed their skin through a process called molting. When fully grown, the larva pupates, often in the soil or leaf litter. After a period of time within the pupa, the adult moth emerges.

Larval Food Plants

The larvae of Pithemera species are herbivores, feeding on the foliage of various trees and shrubs. The specific host plants vary depending on the Pithemera species.

Taxonomy

The genus Pithemera is classified within the family Geometridae and the subfamily Larentiinae. The classification of specific species within the genus may be subject to change as taxonomic research progresses.