Found a couple of crab spiders, Mecaphesa celer - and brought them home to test fluorescence
Here is flashlight illumination
Eyes of Mecaphesa celer
UV illumination refeals fluorescence of the cephalothorax, eyes, legs and some small circles of fluorescence on the dorsal abdomen
Eyes of Mecaphesa celer Note the dorsal eyes show blue fluorescence
Dorsal view of fluorescing crab spider
Eyes of Mecaphesa celer
C. Frank Starmer