Dicteriadidae

Definition

A small family of damselflies (suborder Zygoptera) in the order Odonata, comprising two monotypic genera and two species endemic to South America. The family represents a relict lineage with distinctive wing venation and is among the least diverse odonate families.

Etymology

From the type genus Dicterias (Greek dikterion, 'small net' or 'bag' + -idae family suffix).

Example

Dicterias and Heliocharis, the sole genera in Dicteriadidae, are restricted to forest streams in the Neotropics and are rarely encountered due to their specialized habitat requirements and low population densities.

Related Terms

• Odonata
• Zygoptera
• Coenagrionidae
• damselfly
• Monotypic
• Endemic
• relict taxon

Usage Notes

Sometimes overlooked in regional faunal surveys due to rarity; specimens are prized in odonate collections. The family's phylogenetic placement within Zygoptera has been debated, reflecting its morphological distinctiveness from more diverse families such as Coenagrionidae.