Unnamed arthropods
List of unnamed arthropods.

Amerind fly 

This type of fly landed on Kirok's face while he and his newlywed wife Miramanee were talking on the planet Amerind in 2268. ()

Archer IV arachnid  

The planet Archer IV contained a type of arachnid. ()

Archer IV firefly  

In the 22nd century, a species of firefly lived on planet Archer IV. 

One night in 2151, some of the fireflies were encountered there by a landing party from the  starship . The landing party included Crewman Cutler, who lightly waved one away while Ensign Travis Mayweather was telling a ghost story. The fireflies abruptly left the area, as Cutler noted. She and Charles "Trip" Tucker jokingly commented on the possibility that either the story or the ghost in the tale had frightened away the insects, moments before a storm front approached. ()

Dakala bug 

This , as described by Commander Tucker, which could "glow in the dark", was among the wildlife inhabiting the rogue planet Dakala. He further joked, "at least you can tell when they've crawled into your sleeping bag." ()

Dansk giant centipede 
In 2381, Ensign Bradward Boimler was slated to go on a mission to Dansk, where he would attempt to "wrangle" giant centipedes while he was armed with a phaser rifle. However, Ensign Beckett Mariner ultimately got Boimler reassigned to accompany her to the Daystrom Institute, as she believed he was not ready to handle giant centipedes, which had poisonous pincers and mandibles. ()

Desert planet burrowing crab  

While stranded on a desert planet in 2381, Ensign Bradward Boimler encountered  crab-like creatures who could quickly burrow through the sand on the planet's surface. A group of these creatures attempted to carry off AGIMUS, but they were quickly stopped by Boimler, who kicked a few of them away, causing the rest to scatter. ()

Erabus Prime insect 
This type of insect lived on the planet Erabus Prime and was capable of transmitting a particularly nasty infection. ()

Hima insects 

The Hima insects were forms of life native to the planet Hima in the 32nd century.

A land insect, with a beige body and six legs, ate other insects. One of its prey was a blue flying insect.

In 3188, after catching its prey, the sounds of Michael Burnham and Cleveland Bookers ship entering the atmosphere caught the attention of a land insect. ()

Klingon food insect  

An insect-like creature of unknown origin was seen on a display in the Klingon restaurant on Deep Space 9. ()

Lactra VII biting insect  
Doctor Leonard McCoy attributed Nancy Randolph's malaria-type infection to an insect bite in 2269. ()

Loracus Prime termites  

Profiles of a number of termite species native to Loracus Prime were seen in the Handbook of Exobiology. ()

Martian insects  
 

The Martian insects were forms of life that once existed on the planet Mars in the Sol system.

In 2364, images of the fossil remains were viewed by the Tkon Empire Portal 63 as it read through the entire database of the . ()

Later that year, the same images were seen by Lore, as he was using the library computer of the Enterprise-D to learn more of the vessel and its customs. ()

Rigel X insects 

Rigel X hosted multiple insect species.

Shortly after arriving on the planet in 2151, a large flying insect landed on 's jacket, causing his to twitch, causing it to fly away. 

Later a species of butterfly was incorporated in a dance performance with female dancers, who consumed them. ()

 Arthropods
Unnamed² species