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| Black Swallowtail -- Papilio polyxenes | |||
) Male Calvert County 8/1/04 |
) Male Calvert County 4/30/03 |
) Female Calvert County 5/1/05 |
) Female Calvert County 8/18/03 |
) Egg on parsley |
) Caterpillar eating its way out of egg shell. |
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) Second Instar |
) Third Instar |
) Fourth Instar |
) Close-up of head |
) Fifth and final Instar |
) Hanging in "J" prior to transforming into chrysalis |
) Close-up showing cremaster (spun for attachment) |
) Chrysalis, green form with shed skin still attached. |
) Chrysalis, brown form |
) Transparent chrysalis showing butterfly inside (ready to eclose) |
) Butterfly ecloses |
) Butterfly free of chrysalis, wings still crumpled |
) Wings fully expanded |
| (click photo to enlarge) | |||
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Notes:
Chrysalids can be green or brown. Only the green chrysalids will become
transparent before the adult butterfly ecloses. Either color-phase can
successfully overwinter and will eclose the following May in Maryland. |
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