The Months Butterflies Observed
Sorted by Scientific Name
A list of butterflies and the months when they are observed on the 6800 acre Fermilab site, 40 miles west of Chicago, Illinois

Butterfly Data - Sorted by Common Name

Scientific Name
AprMayJuneJulyAugSeptOct
Anatrytone delaware
Ancyloxypha numitor
Atalopedes campestris
Battus philenor
Boloria bellona
Celastrina ladon
Cercyonis pegala
Colias eurytheme
Colias philodice
Danaus plexippus
Enodia anthedon
Epargyreus clarus
Erynnis baptisiae
Euphyes conspicua
Euphyes dion
Euphyes vestris
Euptoieta claudia
Eurema lisa
Everes comyntas
Hylephila phyleus
Junonia coenia
Libytheana carinenta
Limenitis archippus
Limenitis arthemis
Lycaena helloides
Lycaena hyllus
Megisto cymela
Nathalis iole
Nymphalis antiopa
Papilio cresphontes
Papilio glaucus
Papilio polyxenes
Pholisora catullus
Phyciodes tharos
Pieris rapae
Polites peckius
Polites themistocles
Polygonia comma
Polygonia interrogationis
Polygonia progne
Pompeius verna
Pontia protodice
Pyrgus communis
Satyrium acadica
Satyrium calanus
Satyrium titus
Satyrodes eurydice
Speyeria cybele
Thymelicus lineola
Vanessa atalanta
Vanessa cardui
Vanessa virginiensis
Wallengrenia egeremet