You searched for: “skotophile”
scotophile, skotophile
An organism that requires or has an affinity for darkness.
The measurement of the length of the day or the night was accomplished by an endogenous, or built-in, daily rhythm that consisted of two half-cycles, one photophilic, "light-loving" and the other scotophilic, "dark loving".
—"The Biological Clock of Insects" by D.S. Saunders;
Scientific American; February 1976; page 115.
This entry is located in the following unit: scot-, scoto-, skot-, skoto- + (page 2)