Priority Mail Dimensional Weight Calculation. 1Round off (e.g., 20.5 rounded off to the next whole number is 21, and 20.4 rounded off is 20), 2Round up (e.g., rounding up either 44.2 or 44.8 to the next whole pound is 45).
The Black Swallowtail (Papilio polyxenes) is a species of butterfly. It is also called the American Swallowtail or Parsnip Swallowtail. It is found throughout much of North America.
COMMON BUTTERFLIES Giant Swallowtail butterfly Family: PAPILIONIDAE Scientific name: Papilio cresphontes Although they are more common in southern states, the Giant swallowtail can also be seen in Michigan.ulia Family: HELICONIIDAE Scientific name: Dryas iulia This fast flying butterfly is a close relative of the Zebra Longwing butterfly and is often called the Orange Longwing. Its larvae feed on various species of passion vines.