Kalmar "Genus Picoides" tana nufin rabe-raben tsuntsaye a tsarin suna na kimiyya wanda aka sani da suna binomial nomenclature. Musamman, Picoides wani nau'in bishiyar itace ne waɗanda galibi ana samun su a cikin dazuzzuka da wuraren dazuzzuka na Arewacin Amurka da Tsakiyar Amurka. Wadannan tsuntsayen ana siffanta su da kudi irin na chisel, wanda suke amfani da su wajen tono ramukan bishiyu domin neman kwari da sauran ganima. Wasu nau'ikan da ke cikin jinsin Picoides sun haɗa da Downy Woodpecker (Picoides pubescens), da Hairy Woodpecker ( Picoides villosus ), da kuma ɗan katako na Amurka uku (Picoides dorsalis).