A specimen of Tityus sp. found in Cerro El Tigre, Yurubí NP, Yaracuy, seen under UV light
Synoeca wasps are dark-colored, but when the light strikes them a certain way they appear light gray with greenish hues.
Broad-nosed weevils in the genus Hadromeropsis have numerous scales that refract light at different wavelengths, giving them their colorful aspect.
Female of Pelecinus polyturator (Pelecinidae), a parasitoid wasp of larvae of beetles
Day 31 of the Species A Day Challenge: a tortoise beetle, genus Stolas. If you try to pick them up, they hold on tightly to the surface they're on and hide their head and extremities, so their entire body is covered by their elytra and pronotum.