Butterfly sighting

May 14 2021

Scott and Ann Swengel

Location: 6 bogs
Forest County

In the Nicolet NF east of Three Lakes we surveyed bogs along Forest Road 2182 that were north of Wolf Lake (best one for early spring specialists), east of Wolf Lake, and 1.4 miles east of 2182's jct. with FR 2176. Near there in the Nicolet NF we surveyed a bog west of the southern part of FR 2414. We also surveyed 2 bogs outside the Nicolet NF. Mostly sunny, 59-71 degrees F. Brown Elfins are at a very low point in their 4-5 year bog population cycle across all of the bogs we've seen this year: see Figure 2 of Swengel and Swengel 2015. Assessing abundance patterns of specialized bog butterflies over 12 years in northern Wisconsin USA. Journal of Insect Conservation 19:293-304. Full-text is open access at the journal website or at Ann or Scott's ResearchGate pages. The Freija Fritillary total was lower than usual. Nicolet NF bogs are the wettest in the last 20 years. One bog we stopped surveying in 2019 would be a swimming pool across our entire route now. East Wolf was so deep that no boots would be high enough; Ann took off her water-filled boots out in the bog and the mud suction was so strong that her shoes came off too--she surveyed in her socks.