Jeff Skrentny:
- Olympia Marble (Euchloe olympia) Illinois Beach State Park South Unit Lake County IL April 2017 Week #17 Jeff Skrentny IMG_6825
Jeff Skrentny:
- Hoary Elfin (Callophrys polios) perched on host plant Kinnikinnick (Arctostaphylos uva-ursi) Illinois Beach State Park South Unit Lake County IL April 2017 Week #17 Jeff Skrentny IMG_6864
Jeff Skrentny:
- Sand Cress (Arabidopsis lyrata) Illinois Beach State Park South Unit Lake County IL April 2017 Week #17 Jeff Skrentny IMG_6875
Jeff Skrentny:
- Hoary Elfin - mating pair (Callophrys polios) Illinois Beach State Park South Unit Lake County IL April 2017 Week #17 Jeff Skrentny IMG_6882
Jeff Skrentny:
- Olympia Marble (Euchloe olympia) Illinois Beach State Park South Unit Lake County IL April 2017 Week #17 Jeff Skrentny IMG_6889
Jeff Skrentny:
- Olympia Marble (Euchloe olympia) perched on Sand Cress (Arabidopsis lyrata) Illinois Beach State Park South Unit Lake County IL April 2017 Week #17 Jeff Skrentny IMG_6910