lasiocampids

Lasiocampidae is a family of moths, commonly known as lappet moths or tent caterpillars, belonging to the superfamily Lasiocampoidea. These moths are distributed worldwide, with the highest diversity found in tropical and subtropical regions. The family comprises over 2000 species, categorized into around 50 genera.

The adults of lasiocampids are typically robust, medium to large-sized moths with stout bodies and relatively short antennae. They often exhibit cryptic coloration, with mottled brown, gray, or ochre patterns that provide camouflage. Many species are nocturnal and are attracted to light. The mouthparts of adult lappet moths are reduced, and they do not feed, relying on stored energy from their larval stage. Their lifespan as adults is generally short, focused on reproduction.

The larval stage, or caterpillar, is the most distinctive feature of this family. Lappet caterpillars are often large and hairy, with prominent fleshy lobes or "lappets" along their sides. These lappets can vary in size and shape, and their function is not fully understood but may serve as defense against predators or aid in camouflage. Many species are gregarious as larvae, feeding on the leaves of various plants and often constructing silken shelters or tents, hence the common name "tent caterpillars." These tents can range from loose communal webs to more elaborate structures. The diet of lasiocampid caterpillars is primarily phytophagous, with specific host plant preferences varying by species.

The pupal stage occurs within a silken cocoon, often incorporating host plant material. Metamorphosis leads to the emergence of the adult moth. The ecological role of lasiocampids includes their contribution to food webs as herbivores in their larval stage and as prey for various animals. Some species can cause defoliation of trees, leading to economic impact in forestry and agriculture.