It is known, however, that the larval stage of the Behr's (Columbia) Hairstreak depends on a specific foodplant called antelope-brush (Purshia tridentata).
Il est toutefois connu quâ€™au stade larvaire, le Porte-queue de Colombie-Britannique dÃ©pend dâ€™une plante-hÃ´te bien prÃ©cise appelÃ©e la purshie tridentÃ©e (Purshia tridentata).