Synonyms and other taxonomic changes
Belongs to subfamily Ectobiinae, formerly considered its own family (Ectobiidae).
Numbers
Three invasive species from this genus are now found within the United States.
Identification
Ectobius pallidus: yellow pronotum surrounded by a translucent rim:
Ectobius sylvestris: Dark red to black pronotum with transparent to cream rim:
Ectohius lapponicus: Dark brown pronotum with translucent rim:
Members of this genus carry the ootheca with keel rotated 90 degrees:
In E. pallidus and E. sylvestris the ventral margin of the front femora have three longer spines (just visible at the middle of the front femur in this image) followed by a row of much shorter spines (look like fuzz in this image). In E. lapponicus there are only two of the larger spines on specimens examined thus far in North America.
