About Amphasia interstitialis (Say, 1823)
Amphasia interstitialis (Say, 1823) measures between 8.5 to 10.2 mm (0.33 to 0.40 inches) in total size. It has dark wing covers called elytra, paired with an orange pronotum and head. Its antennae are 11-segmented and a lighter shade of orange. Its legs are also pale orange. The underside of its abdomen is mostly dark, while the rear end of the abdomen and the remaining underside are orange. This species is widespread across the northeastern United States, with a small range extending into Ontario, Quebec, and the central United States. It lives in sheltered locations including deciduous forests, where it is most often found in leaf litter, and under stones and logs. It also occurs in lowland habitats such as wetlands and mesic areas.
