Asocial
Guides
Elasmostethus interstinctus
Birch Shield Bug
Elasmostethus interstinctus, commonly known as the birch shield bug, is a shield bug in the family Acanthosomatidae with a Holarctic distribution across Europe, Northern Asia, and North America. Adults measure 8–11.5 mm and display distinctive bright yellow-green and red coloration. The species is univoltine, with adults overwintering in leaf litter and emerging in spring to reproduce on birch and other host plants.