Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Massachusetts Butterfly Club Data Explorer

Use the filters to search and browse the records in the MBC dataset. Click on a record number to view additional details.

Learn more about the Massachusetts Butterfly Club partnership.

Displaying 1873 - 1920 of 116767

Frosted Elfin
Callophrys irus

Record number: 778975
Observation date: May 02, 1999
Record by: Richard Hildreth
Verified by: MBC Recordkeeper
Region: Middlesex County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778976
Observation date: May 20, 1994
Record by: Tom Dodd
Verified by: MBC Recordkeeper
Region: Middlesex County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778977
Observation date: May 25, 1994
Record by: Tom Dodd
Verified by: MBC Recordkeeper
Region: Middlesex County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778978
Observation date: May 03, 1995
Record by: Tom Dodd
Verified by: MBC Recordkeeper
Region: Middlesex County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778979
Observation date: May 28, 1997
Record by: Tom Dodd
Verified by: MBC Recordkeeper
Region: Middlesex County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778980
Observation date: May 28, 1994
Record by: Brian Cassie
Verified by: MBC Recordkeeper
Region: Norfolk County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778981
Observation date: Jun 08, 1997
Record by: Brian Cassie
Verified by: MBC Recordkeeper
Region: Norfolk County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778982
Observation date: May 15, 1999
Record by: Brian Cassie
Verified by: MBC Recordkeeper
Region: Norfolk County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778983
Observation date: May 16, 1999
Record by: Tom Dodd+Cathy Dodd
Verified by: MBC Recordkeeper
Region: Norfolk County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778984
Observation date: May 19, 1992
Record by: Brian Cassie
Verified by: MBC Recordkeeper
Region: Plymouth County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778985
Observation date: May 14, 1999
Record by: Richard Hildreth
Verified by: MBC Recordkeeper
Region: Worcester County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778986
Observation date: May 31, 1999
Record by: Tom Dodd
Verified by: MBC Recordkeeper
Region: Worcester County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778987
Observation date: May 22, 1999
Record by: Tom Dodd+Cathy Dodd
Verified by: MBC Recordkeeper
Region: Worcester County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778988
Observation date: May 16, 1993
Record by: Tom Dodd
Verified by: MBC Recordkeeper
Region: Worcester County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778989
Observation date: May 23, 1993
Record by: Tom Dodd
Verified by: MBC Recordkeeper
Region: Worcester County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778990
Observation date: May 23, 1998
Record by: Tom Dodd+Cathy Dodd+MBC
Verified by: MBC Recordkeeper
Region: Worcester County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778991
Observation date: May 14, 1997
Record by: Gail Howe
Verified by: MBC Recordkeeper
Region: Worcester County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778992
Observation date: Jun 06, 1997
Record by: Gail Howe
Verified by: MBC Recordkeeper
Region: Worcester County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778993
Observation date: May 01, 1998
Record by: Gail Howe
Verified by: MBC Recordkeeper
Region: Worcester County, Massachusetts, United States

Frosted Elfin
Callophrys irus

Record number: 778994
Observation date: May 22, 1999
Record by: Gail Howe
Verified by: MBC Recordkeeper
Region: Worcester County, Massachusetts, United States
Record number: 778995
Observation date: Jun 01, 1997
Record by: j. Bowe + D.Wagner
Verified by: MBC Recordkeeper
Region: Worcester County, Massachusetts, United States
Record number: 778996
Observation date: May 29, 1999
Record by: Butterfly Institute - West
Verified by: MBC Recordkeeper
Region: Worcester County, Massachusetts, United States
Record number: 778997
Observation date: Jun 01, 1999
Record by: fide Brian Cassie
Verified by: MBC Recordkeeper
Region: Worcester County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 778998
Observation date: Apr 25, 1999
Record by: Blair Nikula
Verified by: MBC Recordkeeper
Region: Barnstable County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 778999
Observation date: Jun 08, 1997
Record by: Jackie Sones
Verified by: MBC Recordkeeper
Region: Barnstable County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779000
Observation date: May 04, 1994
Record by: Tor Hansen
Verified by: MBC Recordkeeper
Region: Barnstable County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779001
Observation date: May 22, 1994
Record by: Tor Hansen
Verified by: MBC Recordkeeper
Region: Barnstable County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779002
Observation date: May 08, 1997
Record by: Jackie Sones
Verified by: MBC Recordkeeper
Region: Barnstable County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779003
Observation date: May 27, 1997
Record by: Jackie Sones
Verified by: MBC Recordkeeper
Region: Barnstable County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779004
Observation date: May 07, 1995
Record by: Jackie Sones
Verified by: MBC Recordkeeper
Region: Barnstable County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779005
Observation date: May 01, 1999
Record by: Alison Rob+Tor Hansen+Jakie Sones
Verified by: MBC Recordkeeper
Region: Barnstable County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779006
Observation date: Jun 23, 1997
Record by: Jackie Sones
Verified by: MBC Recordkeeper
Region: Barnstable County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779007
Observation date: Apr 18, 1999
Record by: Jeremiah Trimble
Verified by: MBC Recordkeeper
Region: Barnstable County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779008
Observation date: Jun 01, 1999
Record by: Pam Weatherbee
Verified by: MBC Recordkeeper
Region: Berkshire County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779009
Observation date: May 02, 1999
Record by: Pam Weatherbee
Verified by: MBC Recordkeeper
Region: Berkshire County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779010
Observation date: Jun 05, 1993
Record by: Brian Cassie
Verified by: MBC Recordkeeper
Region: Bristol County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779011
Observation date: Apr 19, 1999
Record by: Richard Hildreth
Verified by: MBC Recordkeeper
Region: Bristol County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779012
Observation date: May 13, 1999
Record by: Richard Hildreth
Verified by: MBC Recordkeeper
Region: Bristol County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779013
Observation date: May 16, 1999
Record by: Tom Dodd+Cathy Dodd
Verified by: MBC Recordkeeper
Region: Bristol County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779014
Observation date: Jun 21, 1999
Record by: Matt Pelikan
Verified by: MBC Recordkeeper
Region: Dukes County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779015
Observation date: Apr 18, 1999
Record by: Matt Pelikan
Verified by: MBC Recordkeeper
Region: Dukes County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779016
Observation date: May 10, 1999
Record by: Matt Pelikan
Verified by: MBC Recordkeeper
Region: Dukes County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779017
Observation date: May 15, 1999
Record by: Allan Keith
Verified by: MBC Recordkeeper
Region: Dukes County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779018
Observation date: May 16, 1999
Record by: Matt Pelikan
Verified by: MBC Recordkeeper
Region: Dukes County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779019
Observation date: Apr 18, 1999
Record by: Matt Pelikan
Verified by: MBC Recordkeeper
Region: Dukes County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779020
Observation date: May 31, 1999
Record by: Matt Pelikan
Verified by: MBC Recordkeeper
Region: Dukes County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779021
Observation date: May 11, 1999
Record by: Matt Pelikan
Verified by: MBC Recordkeeper
Region: Dukes County, Massachusetts, United States

Eastern Pine Elfin
Callophrys niphon

Record number: 779022
Observation date: Apr 18, 1999
Record by: Matt Pelikan
Verified by: MBC Recordkeeper
Region: Dukes County, Massachusetts, United States