It's sometimes difficult to distinguish between Orange Sulphurs (Colias eurytheme) and Clouded Sulphurs (Colias philodice), so I've submitted this to both BAMONA and BugGuide.
Retired economics professor (“dismal scientist”). Married 40+ years to the love of my life; we have two grown daughters, both married, two granddaughters and a...
![Orange Sulphur [Filler] by rhoing](https://images.weserv.nl/?&w=1024&q=85&url=https%3A%2F%2Fmedia.365project.org%2F1%2F7348987_hjnorvxz07_o.jpg "Orange Sulphur [Filler] by rhoing")
![Sigh. [Travel-day]](https://media.365project.org/1/9428160_bfilmqru48_sq.jpg "Sigh. [Travel-day]")