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This was my first time to see this butterfly known as the
Question Mark. I
came across a group of them on one of my cemetery visits to
Wayne County, Illinois in October, 2013.The Question
Mark's dark markings, irregular wing edges and cryptically
colored undersides help the butterfly resemble a dead leaf when
resting. Adults have a strong, rapid flight but frequently
alight on overhanging branches, tree trunks or leaf litter. Wary
and nervous, they are often difficult to closely approach. Males
readily establish territories and aggressively investigate any
passing objects.
Both sexes visit rotting fruit, dung, carrion and tree sap.Host
Plants: Sugarberry, American Elm, Winged ElmHabitat:
deciduous forests, moist woodlands, forest edges and adjacent
open areas.
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