East-asian-origin

Guides

• Archips fuscocupreanus

  exotic leafroller moth, apple tortrix

  Archips fuscocupreanus is a leafroller moth in the family Tortricidae, native to East Asia (China, South Korea, Japan, and eastern Russia). It is an introduced species in the northeastern United States, where it has established populations in Connecticut, Massachusetts, New Jersey, New York, Rhode Island, and Washington. The species is a generalist herbivore with larvae feeding on numerous woody and herbaceous plants across multiple families. Adults are active in summer, with flight periods recorded from June to July in China.

  leafrollertortrixintroduced-speciesinvasivegeneralist-herbivoreagricultural-pestforest-pestEast-Asian-originNorth-America-introductionpolyphagous

• Dere thoracica

  Dere thoracica is a longhorn beetle (Cerambycidae) first reported in the United States in 2021. The species was previously known from East Asia (China, Japan, Korea) before its detection in the eastern United States, where it has since undergone range expansion. As a cerambycid beetle, it belongs to a family whose larvae are predominantly wood-borers, though specific biological details for this species remain limited in published literature.

  Cerambycidaelonghorn-beetleinvasive-speciesrange-expansionEast-Asian-originwood-borer

• Pseudocneorhinus obesus

  A broad-nosed weevil in the tribe Trachyphloeini, described from Japan in 1873. Records indicate presence in East Asia (China, Russian Far East) and eastern North America, suggesting introduced populations. The species belongs to a genus of flightless weevils characterized by compact, rounded bodies.

  broad-nosed-weevilflightlessintroduced-speciesEast-Asian-origin