Northern MN butterflies whose larval stages will be feeding during the period around 1 June

Northern MN butterflies whose larval stages will be feeding during the period around 1 June
Prepared by Robert Dana, PhD
Minnesota Dept. of Natural Resources
St. Paul, MN
7 March 2016
Species with *– some adults probably still flying, laying eggs, but many eggs hatched and larvae feeding;
Species with **– some adults may already be flying, and many still in pupal stage, but some larvae still feeding. Early season phenology is strongly influenced by the pace of spring warm-up, which can vary considerably from year to year.
Where nomenclature on this list differs from that in L. Weber’s Butterflies of the North Woods, 2nd Ed., the latter is given in quotation marks parenthetically.  Being on this list does not imply that the species occurs in the Ely area; some of these species are rare and/or have very specialized habitat requirements:
Canadian tiger swallowtail (Papilio canadensis)*
Mustard white (Pieris napi)
Western checkered white (Pontia occidentalis)
Large marble (Euchloe ausonides)*
Harvester (Feniseca tarquinius)
Bronze copper (Lycaena hyllus)
Bog copper (Lycaena epixanthe)
Dorcas copper (Lycaena dorcas)
Coral hairstreak (Satyrium titus)
Acadian hairstreak (Satyrium acadicum)
Striped hairstreak (Satyrium liparops)
Banded hairstreak (Satyrium calanus)
Brown elfin (Callophrys augustinus)*
Henry’s elfin (Callophrys henrici)*
Eastern tailed blue (Cupido comyntas) (=”Everes comyntas”)
Western tailed blue (Cupido amyntula)* (=”Everes amyntula”)
Spring azure (Celastina ladon)*
Summer azure (Celastrina neglecta)
Silvery blue (Glaucopsyche lygdamus)*
Northern blue (Plebejus idas) (=”Lycaeides idas”) State Special Concern
Greenish blue (Plebejus saepiolus)
Great spangled fritillary (Speyeria cybele)
Aphrodite fritillary (Speyeria aphrodite)
Atlantis fritillary (Speyeria atlantis)
Freija fritillary (Boloria freija)*
Purplish fritillary (Boloria chariclea) (=”B. montinus”)
Meadow fritillary (Boloria bellona)*
Baltimore checkerspot (Euphydryas phaeton)
Tawny crescent (Phyciodes batesii)**
Eastern comma (Polygonia comma)
Gray comma (Polygonia progne)
Green comma (Polygonia faunus)
Hoary comma (Polygonia gracilis)
Satyr comma (Polygonia satyrus)
Compton tortoiseshell (Nymphalis vaualbum)
Milbert’s tortoiseshell (Nymphalis milbertii)
Mourning cloak (Nymphalis antiopa)
Northern pearly-eye (Enodia anthedon)
Eyed brown (Satyrodes eurydice)
Common ringlet (Coenonympha tullia)**
Common wood-nymph (Cercyonis pegala)
Taiga alpine (Erebia mancinus)** State Special Concern
Macoun’s arctic (Oeneis macounii)**
Dreamy duskywing (Erynnis icelus)*
Juvenal’s duskywing (Erynnis juvenalis)*
Grizzled skipper (Pyrgus centaureae)*
Least skipper (Ancyloxypha numitor)
Common branded skipper (Hesperia comma)
Peck’s skipper (Polites peckius)
Tawny-edged skipper (Polites themistocles)**
Dun skipper (Euphyes vestris)