| Word | Definitions | Synonyms |
|---|---|---|
| clerid | (noun) predacious on other insects; usually brightly colored or metallic | Synonyms: clerid beetle |
| elaterid | (noun) any of various widely distributed beetles | Synonyms: elater, elaterid beetle |
| ephemerid | (noun) short-lived insect | Synonyms: ephemeropteran |
| eurypterid | (noun) large extinct scorpion-like arthropod considered related to horseshoe crabs | - |
| pierid | (noun) any of numerous pale-colored butterflies having three pairs of well-developed legs | Synonyms: pierid butterfly |