Antaeotricha schlaegeri

Adults can be distinguished from similar pale-winged Antaeotricha species by their bird-dropping mimicry appearance. The species was historically confused with related taxa before dissection and detailed examination revealed its distinct status. Forewing patterns and genitalia structure provide definitive separation from congeners. Similar species in the genus Antaeotricha may share general appearance but differ in specific wing markings and geographic distribution.

Associated with deciduous forests containing host trees, particularly oak woodlands. Larval habitat consists of leaves of Quercus alba and related oak species, as well as Betula species. Adult habitat includes forested areas where host plants occur.

Northeastern North America. Range extends from southern Canada (Manitoba, Saskatchewan, Vermont) south to North Carolina, and west to Kansas and Texas. Core distribution centers on eastern deciduous forest biome.

Adult flight period and specific phenology are not documented in available sources. As a moth with larval feeding on deciduous trees, activity likely coincides with the growing season of host plants.

Larvae feed on Quercus alba (white oak) and related oak species. Also recorded on Betula (birch) species. Adults do not feed; their mouthparts are reduced or non-functional for feeding.

• Quercus alba - larval food plantPrimary host
• Quercus - larval food plantRelated oak species also used
• Betula - larval food plantSecondary host record

Complete metamorphosis with egg, larva, pupa, and adult stages. Larvae are leaf-feeders on oaks and birches. Pupation occurs in concealed locations, likely in leaf litter or soil. Specific details of voltinism (number of generations per year) and overwintering stage are not documented.

Adults are nocturnal. Larvae are solitary leaf-feeders. The bird-dropping mimicry of adults represents a defensive behavioral adaptation against visual predators such as birds. No other specific behaviors are documented.

Larvae function as primary consumers, feeding on oak and birch foliage. They serve as prey for parasitoid wasps, including Monobia quadridens (Four-toothed Mason Wasp), which hunts caterpillars as food for its own larvae. The species participates in nutrient cycling in deciduous forest ecosystems.

Minor economic significance. Not considered a major forest pest. The species has been used as a research subject in studies of parasitoid wasp prey selection. No direct agricultural or horticultural impacts documented.

• Antaeotricha albulellaSimilar pale-winged appearance; distinguished by wing pattern details and genitalia structure. A. albulella has one or two black spots on forewings, while A. schlaegeri lacks such spots in its bird-dropping mimicry pattern.
• Antaeotricha floridellaAnother recently described Antaeotricha species with pale wings; distinguished by immaculate white forewings and restricted to Florida sandhills scrub habitat.

• moth
• leafroller
• oak feeder
• bird-dropping mimicry
• parasitoid wasp prey
• North American endemic

• BugGuide
• Wikipedia
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Catalogue of Life
• Bug Eric: Wasp Wednesday: Four-toothed Mason Wasp
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