Cicindelidae

Definition

A family of predatory beetles in the order Coleoptera, commonly known as tiger beetles, characterized by large, often metallic eyes, long spindly legs adapted for rapid sprinting, and aggressive cursorial hunting behavior. Historically treated as a subfamily (Cicindelinae) within ground beetles (Carabidae), but elevated to family rank in recent phylogenetic treatments as sister group to Carabidae within the suborder Adephaga. Members occur worldwide with highest diversity in tropical and subtropical regions.

Etymology

From Cicindela, the type genus (Latin cicindela, an old name for a glowworm or beetle, possibly from cicindela 'spark') + -idae (family suffix)

Example

The genus Cicindela includes many North American species such as the common tiger beetle Cicindela repanda, which hunts small arthropods on open sandy ground using visual detection and rapid pursuit at speeds exceeding 100 body lengths per second.

Synonyms

• tiger beetles (common name)
• Cicindelinae (historical rank)

Related Terms

• Carabidae
• Adephaga
• Coleoptera
• Cursorial
• metallic coloration
• visual predation
• Thermoregulation

Usage Notes

Rank and placement have been contentious: GBIF and some sources still list Cicindelidae under Carabidae reflecting older treatments, while recent molecular phylogenetics (post-2020) supports family-level separation. When discussing classification, specify whether following traditional (subfamily) or modern (family) circumscription. The common name 'tiger beetle' applies to members of this group regardless of taxonomic rank used.