2025 October Derby final results

[Andrew Griffith]

Well, considering the way the butterfly season was this year, I would say that the October Derby was pretty successful!  

October 2025 Sightings List

[October 31, 2025]

Massachusetts Butterfly Club
Composite Species Listing [29 adults + 4 caterpillars + 3 chrysalides ]

Adults:

American Copper
American Lady
Azure (sp)
Bronze Copper
Cabbage White
Clouded Sulphur
Common Buckeye
Common Ringlet
Eastern Comma
Eastern tailed blue
Fiery Skipper
Gray Hairstreak
Great Spangled Fritillary
Least Skipper
Monarch
Mourning Cloak
Ocola Skipper
Orange Sulphur
Painted Lady
Pearl Crescent
Peck's Skipper
Pipevine Swallowtail
Red Admiral
Sachem
Spicebush Swallowtail
Tiger Swallowtail
Variegated Fritillary
Viceroy
Wild Indigo Duskywing

Caterpillars:

Black Swallowtail

Spicebush Swallowtail

Giant Swallowtail

Baltimore Checkerspot

Chrysalides :

Monarch

Black Swallowtail

Spicebush Swallowtail