O is for ocelli. Ocelli are three jewel-like eyes situated between the two main, compound eyes of a cicada. We believe ocelli are used to detect light and darkness. Ocelli means little eyes in Latin.
Okanagana is a genus of cicada found in North America. These cicadas are primarily black with white, beige or orange markings. Here is a photo of an Okanagana rimosa (Say’s Cicada). Here is a photo of an Okanagana bella.
Operculum means cover or lid in Latin, and the operculum covers the tympanum (which allows cicadas to hear).
Orientopsaltria beaudouini is a medium sized cicada that can be found in Thailand. See a photo of a Orientopsaltria beaudouini:
Photo by Michel Chantraine.
The female cicada uses her Ovipositor to deposit her ovum (eggs) into a tree branch.