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Photo#326062
brown-eyed butterfly - Asterocampa celtis - male

brown-eyed butterfly - Asterocampa celtis - Male
Allentown, Lehigh County, Pennsylvania, USA
August 26, 2009
This one had settled down for the night on our patio door screen. I don't recall seeing anything like it during the daytime.

Moved

Moved
Moved from ID Request.

Hackberry Butterfly
Asterocampa celtis. This one is a male - you can tell gender by the shape of the wings. In the daytime, they are very active, even pugnacious little things. The males will sit on a perch and dart out at others passing by, and even at other kinds of insects, or even birds, dogs, or sometimes people. They look sort of a tawny orange or light brown when they are flying (the top side is usually a little brighter in color). If there are Hackberry Trees around, these will usually be around too, and they tend to stay near those trees. Occasionally if one gets disturbed at night, it will fly to a light, and that may be why this one was on your patio door (?). Unlike most butterflies, they don't seem to ever visit flowers, but they will visit things like fruit, tree sap, and sometimes even animal droppings.

 
that's correct
To attract these, I take a wire mesh cage and fill it with rotten tomatoes. In late august, very many Hackberry emperors can be found at the tomatoes.

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