 This last dependency is thought to be because the females, not the males, must identify the correct host plant for egg laying.Because of the butterfly's notably large wingspan (14 to 18 cm), giant swallowtails are very strong fliers and are able to glide long distances with very few wing beats.Referred to as “orange dogs” by farmers, the larva targets sweet orange (Citrus × sinensis)"," causing damage to this valuable produce-bearing plant.