
1) Bioluminescent insect
Found on
https://www.crosswordclues.com/clue/photinus

Photinus (Greek Φωτεινός; died 376), was a Christian heresiarch and bishop of Sirmium in Pannonia (today the town Sremska Mitrovica in Serbia), best known for denying the incarnation of Christ. His name became synonymous in later literature for someone asserting that Christ was not God. His teachings are mentioned by various ancient author...
Found on
http://en.wikipedia.org/wiki/Photinus
[beetle] The rover fireflies (Photinus) are a genus of fireflies (family Lampyridae). They are the type genus of tribe Photinini in subfamily Lampyrinae. This genus contains, for example, the common eastern firefly (P. pyralis), the state insect of Tennessee. Male Photinus beetles emit a flashing light pattern to signal for females. Illegit...
Found on
http://en.wikipedia.org/wiki/Photinus_(beetle)

(from the article `aggressive mimicry`) ...which the prey itself serves as the model can be seen in the mimicry used by female fireflies of the genus Photuris. These insects imitate the ... ...landing, and courting. Most adult fireflies are short-lived and do not feed at all, but females of the genus Photuris have been found to feed on ...
Found on
http://www.britannica.com/eb/a-z/p/60
No exact match found.