Monarch Butterfly Caterpillar - (Danaus plexippus)
The Monarch's caterpillar prefers milkweed as a host, and greatly relies on its presence for maintaining populations.
The Monarch Butterfly Caterpillar becomes the Monarch Butterfly and its adult counterpart is also known by the name(s) of: King Billy Butterfly Caterpillar.
The Monarch Butterfly Caterpillar can be detailed through the following descriptors for identification:
black and yellow stripes; black and yellow bands; black antennae; two black tails; whiskers; yellow; black; white; striped head; tricolor; multicolored head.
This caterpillar has been found in the following North American states and territories:
Alabama; Alaska; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Hawaii; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming; Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Nova Scotia; Ontario; Prince Edward Island; Quebec; Saskatchewan; Mexico.
Note that the states/territories listed are a general indicator of areas inhabited by the Monarch Butterfly Caterpillar as insects typically go where they please, driven by diet, environmental changes, and / or mating habits.