Contents tagged with illinois butterflies
Created: 7/7/2016 Updated: 7/29/2016
If you’ve wandered through our Nature Trails or the Woody Wickham Butterfly Garden lately, you’ve probably seen a variety of pollinators and other insects. In addition to the bees that call our rooftop beehives home, you’ve probably seen a number of butterflies fluttering around. If you have your own pollinator garden, you’ve probably seen some of them there, too. But what are they? Here are six common species of butterflies you’re likely to find around the Nature Museum and in your neck of the woods.
Red Admiral (Vanessa atalanta)
Red admiral butterflies are very common and very easy to spot, thanks to their striking black forewings which featured red bars and white spots. Red Admirals are often seen in residential neighborhoods of large cities like Chicago and Milwaukee. They are frequent visitors to parks and gardens, but just as much at home in a prairie preserve. The range of the Red Admiral extends from Guatemala up into Northern Canada. While they fly year-round in Guatemala and Mexico, in the northern areas of their range they hibernate or overwinter as chrysalides. Red Admiral caterpillars eat plants of the Nettle family (Urticacea) such as Pellitory. Red Admirals can be found in most sunny places including moist fields, prairies or marshes. In urban areas, look for them in parks or along tree lined residential streets.
Viceroy (Limenitis archippus)
Viceroy butterflies closely resemble Monarchs, but their behavior is very different. Viceroys prefer wet habitats and are territorial – they will chase away other butterflies that come too close. Viceroys also fly by flapping their wings quickly, while Monarchs usually glide between wing strokes. You can also tell the difference between the two by examining their wings. A black line crosses through the veins in the Viceroy’s postmedian hindwing, but Monarch wings do not have this line. Viceroys range from the mountain states east to the Atlantic and from Texas north into the Canadian plains. They over-winter in the larva stage. Viceroy caterpillars feed on Willows, Aspens and Cottonwoods. Viceroys are usually found in wetlands and prairies with willows. They are also found in human-disturbed wet areas, like suburban lake edges.
Monarch (Danaus plexippus)
One of the most familiar North American butterflies, the Monarch is distinctive for its striking colors and as a study in butterfly biology. The caterpillars accumulate toxins from the steady milkweed diet which makes this animal poisonous to predators especially birds. Birds apparently learn to avoid eating monarchs and other butterflies, like Viceroys, that look like Monarchs. Monarchs range across North America – coast to coast – and up into southern Canada during the summer. Every autumn, millions of Monarchs migrate south and west to central California and central Mexico. Monarchs are also found year-round in Central America. Monarch Caterpillars eat Milkweed it is therefore referred to as the Monarch's Host Plant. Monarchs will inhabit almost any sunny place with flowers, including parks, gardens or prairies.
Painted Lady (Vanessa cardui)
Painted Ladies are found year-round in the deserts of the southwest. They migrate into the Midwest and northeastern states each spring and return to the southwest before winter. In some years – 1992 was one example – they may multiply rapidly across the entire continent in a population explosion. They are found on every continent except Antarctica and Australia. In North America, they live year-round in Mexico, but migrate north each year across the continent, all the way to the Arctic Circle. Painted Lady Caterpillars eat Thistle, Mallow, Hollyhock and related plants. These plants are referred to as the Painted Lady’s Host Plants. Painted Ladies are found just about anywhere that thistles grow
Cabbage White (Pieris rapae)
Cabbage Whites are imports from Europe. They first appeared in Canada in 1860 and have since spread as far as south Texas. They can be seen just about anywhere from March to November. Several generations are produced each year. The Cabbage White ranges from central Canada as far as Texas and northwest Mexico. Individuals over-winter in the chrysalis stage. Cabbage White caterpillars eat Cabbage, Radish, Mustard, Peppergrass, and related plants. The caterpillar is often considered an agricultural pest. Cabbage Whites are found in weedy habitats like vacant lots, power line right of ways and roadsides as well as in marches and gardens where its food plants grow.
Black Swallowtail (Papilio polyxenes)
In the Chicago area, these large swallowtails are first seen in April and early May. A second generation begins emerging from chrysalides in mid-June and a third generation may emerge in August or September. Black Swallowtails are attracted to butterfly gardens with fennel or dill plants. Their range extends from southern Canada to northern Mexico. They are found in Arizona, New Mexico, and the eastern half of the United States. Black Swallowtails over-winter in the chrysalis stage. Black Swallowtail Caterpillars eat Parsnips, Wild Carrots, Celery, Parsley and Dill. Black Swallowtails like sunny places with weeds and flowers, and can be found in gardens, vacant lots, old fields, pastures and marshes. They thrive in cities and suburbs due to the abundance of Queen Anne's Lace.
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