THREE Black Swallowtail (polyxenes asterius) flights in 2010:
First flight: May into June. (first seen on 26-April)
Second flight: Second week of July into August, overlapping with the third
Third flight: August ....
2 larvae collected 19-July. 1 female emerged in house 09-Aug; 1
2 new eggs collected 16-July. 1 (so far) female emerged on the porch 11-Aug.
The 2 eggs and their resulting larvae were kept in a shaded, screened
where the temperature was more variable than inside the house.
June chrysalises: 8 green, 1 brown; all but the last ones were parasitized.
August chrysalises: All 4 brown/blackish.
Dave Hoag, Grand Isle.