The four species of commonhouseholdroaches A, the German roach, or Croton bug, Blattella germanica (length 9/16 inch). B, the American cockroach, Periplaneta
image is a derivative work of the following images: File:Snodgrass_common_household_roaches.png licensed with PD-USGov-USDA 2006-04-11T05:34:57Z Pengo 1412x1780
and means of living, R. E. Snodgrass. [1] (Cropped from Image:snodgrasscommonhouseholdroaches.png) Author R. E. Snodgrass Permission (Reusing this file)