Perliplaneta Australasiae :)

Cockroaches are a type of insect of the Order Blattodea. There are four cockroach species (out of 4,500) commonly known as pests: German Cockroach, Blattela germanica, American Cockroach, Pariplaneta americana, Australian Cockroach, Pariplaneta australasiae, and Oriental Cockroach, Blatta orientalis.

Only certain roaches have the ability to actually fly. Examples of these would be, the Asian Cockroach, Australian Cockroach and the Smokey Brown Cockroach.

It depends on which species your talking about, some of the more common are:

German Cockroach: Blattella germanica

South American/Peruvian Dubia cockroach: Blaptica dubia

Oriental cockroach: Blatta orientalis

Asian cockroach: Blattella asahinai

true death's head cockroach: Blaberus craniifer

discoid or false death's head cockroach: Blaberus discoidalis

Florida woods cockroach: Eurycotis floridana

Madagascar hissing cockroach: Gromphadorhina portentosa

Bark cockroach: Laxta granicollis

Pennsylvania woods cockroach: Parcoblatta pennsylvanica

American cockroach: Periplaneta americana

Australian cockroach: Periplaneta australasiae

black Mississippi cockroach: Periplaneta brunnea

smokybrown cockroach: Periplaneta fuliginosa

Surinam cockroach: Pycnoscelus surinamenisis

brown-banded cockroach: Supella longipalpa

Probably a cockroach, if there is 1 at your home that is.