Fly

A fly is a specific type of insect with wings. They are known as pests, and can sometimes carry disease. In ancient Earth, the resin of coniferous trees would entrap these insects. The remains of these insects was fossilized in the resin (amber).

In early 2365, in his starlog, Captain Jean-Luc Picard of the USS Enterprise (NCC-1701-D) described his situation in the void as being "... like a fly in amber trapped."

When Berlinghoff Rasmussen came aboard the USS Enterprise (NCC-1701-D) in 2368, he wanted to be not taken notice of, just like a fly on the wall. 

When Sito Jaxa suggested that it would be good to be a spider under the table of the observation lounge, Sam Lavelle compared this to be a fly on the wall. They were talking about the meeting of the senior staff in the observation lounge and were curious what they were talking about. 

Roy was a holographic fly created by Doctor Lewis Zimmerman in the 2370s for Starfleet Intelligence as a new form of micro-surveillance on the "Trojan Horse Project". When his mission was complete, Dr. Zimmerman kept him around on Jupiter Station as a pet. He nonetheless often landed on The Doctor's food. 

Types of flies

 * Glob fly
 * Lavafly
 * Mordian butterfly
 * Pican space moth
 * Swarming moth
 * Talaxian fur fly
 * Tsetse fly