A PICTORIAL KEY TO SOME
COMMON ADULT COCKROACHES
If your Roach is small about 5/8 of an inch long Click the 1st roach
If your Roach is medium to large, longer than 5/8 of an inch long Click the 2nd roach
Small roaches about 5/8 of an inch Max
it is either a
GERMAN COCKROACH
Blatella Germanica
or click Pronotum
Small roaches about 5/8 of an inch Max
wings covering nearly all
of abdomen or extending beyond;
Pronotum narrower than the Woods Roach
BROWN BANDED COCKRAOCH
Supella Longipalpis
OR A
WOODS ROACH
Parcoblatta spp.
GO Back To Top as
medium to large roaches,
longer than 5/8 of an inch
If your Roach has no wings or wings that are shorter than the abdomen
click the roach
If your Roach has wings covering the abdomen often extending beyond the abdomen
click the roach
no wings or wings that are shorter than the abdomen
ORIENTAL COCKROACH
Back To KEY asdasdasdasdasdasdasdbbasdasdasdBlatta Orientalis
wings covering the abdomen
often extending beyond
WOODS ROACH
PARCOBLATTA SPP.
OR
click pronotum for more large roaches that have a pronotum larger than a 1/4 inch long
Front wing with outer pale streak at base
Pronotum is strikingly marked
AUSTRALIAN COCKROACH
Perilanetata australasiae
To go to the next step in the key click on the roach
Back To Top asdasdasdasdasdasdasdasdasdPEr
Front wing without pale streak pronotum solid color
or with pale design only moderately conspicuous
Pronotum solid dark color;
general color very dark brown to black
SMOKYBROWN COCKROACH
PERIPLANETA FULIGINOSA
or
Front wing without pale streak pronotum solid color
or with pale design only moderately conspicuous
Pronotum usually with some pale area;
general color seldom darker than reddish chestnut
INFORMATION FROM
H.D.Pratt
DEPARTMENT OF HEALTH EDUCATION AND WELFARE
PUBLIC HEALTH SERVICE COMMUNICABLE DISEASE CENTER, ATLANTA GEORGIA