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Spicebush Swallowtail -- Papilio troilus

Male
Calvert County
7/14/04

Male
Calvert County
6/6/05
 

Female
Calvert County
8/4/05


Underwing pattern showing incomplete orange spot in innermost row of postmedian orange spots.


Typical leaf abode (left) where caterpillar spends the day out of sight of predators. On hostplant Spicebush (Lindera benzoin).




Early Instar



Mid-stage Instar



Late Instar


View of real head with false eyespot which could deter predators.


Late instar, wandering stage. Color change is often spectacular.


Attaching to stick in preparation for chrysalis formation.


Chrysalis, dark form. Chrysalids may be brownish as above or green.


Chrysalis, green form. Both forms over-winter in last brood.
 


Chrysalis has become transparent. Butterfly can be seen inside. Eclosure is imminent.



Newly-eclosed butterfly
 
(click photo to enlarge)

Range: entire state
Occurrence:
common
Flight:
May - September
Larval hostplants:
Laurel Family (Lauraceae): Lindera Benzoin (Spicebush); Sassafrass albidum (Sassafrass)
Link to more information


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