The Oriental Roach, wanda aka fi sani da waterbug ko black beetle, wani nau'in kyankyasai ne da ya samo asali a Afirka amma yanzu ya yadu zuwa wasu sassa na duniya. Kalmar “Oriental” a cikin wannan mahallin ana amfani da ita don nufin asalin jinsin a yankin Gabashin nahiyar Afirka. Ana amfani da kalmar "roach" don kwatanta kamannin kwari da halayensu a matsayin ɗan gidan zakara.
