mayfly - Callibaetis ferrugineus - Maryland City, Anne Arundel Co, Maryland County, Maryland, USA October 9, 2009 Size: ~4.5 mm, not incl. tails
Revised size (6/24/2019). Used screening mesh size to obtain accurate size measurement.
Contributed by Jay M Sheppard on 21 June, 2019 - 4:24pm Last updated 24 June, 2019 - 10:21am |