Butterfly sighting

May 23 2014

Scott and Ann Swengel

Location: Riley Lake Bogs
Price County

Eight bogs along a loop of Hwy 70, Forest Road 505/Hemlock Road, Forest Road 136/Gates Lake Road, and Forest Road 137/Riley Lake Road. 10:08 am to 2:59 pm, 63-77 degrees F, 99% sunshine, wind east 2-8 mph. This Freija Fritillary count doubles our previous record high for these sites set last year. This is in keeping with the significant increase in Freijas we found in an analysis of 2002-13. The Brown Elfin seems to be in a multi-year peak here that began in 2012 as part of an approximate 5-year abundance cycle in bogs. Both patterns are discussed in our presentation "Assessing abundance patterns of specialized bog butterflies over 12 years in northern Wisconsin USA".
Two Freijas landed on Ann and one on Scott as we walked. We also saw at least 71 unidentified elfins.

Brown Elfin

Brown Elfin

Freija Fritillary

Freija Fritillary

Freija Fritillary

Freija Fritillary

Freija Fritillary

Freija Fritillary