While hunting unsuccessfully for Checker Skippers yesterday (9/11)
I found in 4 fields, (some alfalfa, some grown in pasture with milkweed, goldenrod, asters, clover etc);
  below Mt Anthony in Bennington:

Monarch    20 (This was at 11 AM were they migrants or hatched from those fields?)
Monarch caterpillars  5 
Clouded Sulphur    61
Orange   "         4
Cabbage White 2
Crescent Sp.    5
Eastern-tailed Blue 3
Great Spangled Fritillary 1 (very fresh)

Then in 4 fields at Bennington College later in the day (3 - 4 PM)
Monarchs    19
Clouded Sulphur 30
Orange     "      3
Crescent sp     10
Cabbage White 18
Great Spangled Frit   2 
Meadow Fritillary  43 (some worn some fresh a partial 4th brood ?)
Viceroy 2
Black Swallowtail 2 (both males)
Common Ringlet 1
American Copper 1
Eastern-tailed Blue 14
Wild Indigo Dusky-wing 4 (fresh)
and 2 Peck's Skippers.

A good day. Terri Armata