Subject: More Emperors, Part 2
Location: Coryell County, Texas
October 7, 2013 2:01 pm
I think these are all of the same species, perhaps a Hackberry Emperor? They are so attracted to one shrub that has a substance on it.
Again, this new batch of images is quite nice. The Hackberry Emperor has more developed occuli or eyespots than the Tawny Emperor, so we agree with your identification. There are also subspecies and BugGuide does not explain the differences in the subspecies. Butterflies Through Binoculars the West by Jeffrey Glassberg states that Emperors “rarely visit flowers but these are the butterflies most likely to visit butterfliers, frequently landing on people in search of the salts in our perspiration.” There must be sap running on the shrub they are visiting.