Dromius piceus

Members of the genus Dromius are small to medium-sized carabid beetles with a somewhat flattened body form and relatively long legs adapted for running on vegetation. Dromius piceus can be distinguished from other North American Dromius species by the combination of its dark (piceous) coloration and specific patterns of elytral microsculpture and setation, though precise diagnostic features require examination of specimens by a specialist.

Arboreal; found on trees and vegetation. Specific microhabitat preferences within forest canopies are not well documented.

Recorded from Canada, the United States, and Mexico. GBIF data indicates presence across North America.

• Other Dromius speciesCongeneric species in North America share similar arboreal habits and general body form; accurate identification requires examination of subtle morphological characters including elytral sculpture and male genitalia.
• Other Lebiinae genera (e.g., Lebia, Calleida)These small, often colorful carabids share arboreal or vegetation-dwelling habits and similar body size; Dromius is distinguished by specific antennal and leg proportions as well as details of the elytral base.

• BugGuide
• Wikipedia
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Bembicid Holdings | Entomology Research Museum