Callibaetis

Pronunciation

How to pronounce Callibaetis: /ˌkælɪˈbeɪtɪs/

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Summary

Callibaetis is a genus of small minnow mayflies in the family Baetidae, characterized by unique reproductive behavior and beautiful wing coloration in females. They are prevalent in the New World, especially the Neotropics, with over 30 described species.

Physical Characteristics

Female imagoes usually have intensely colored leading edge of the forewings; males may have less pronounced or lacking coloration. Subimagoes typically exhibit dull grey, brown, or tan wings with a network of pale veins.

Identification Tips

Look for the colorful leading edge of forewings in females and dull colors in subimagoes. Males may lack bright coloration.

Habitat

Callibaetis is typically found in aquatic environments such as lakes, ponds, and slow-moving streams.

Distribution

New World, notably more diverse in the Neotropics, with at least 30 total described species.

Diet

Nymphs feed on organic detritus, algae, and microorganisms found in their aquatic habitats.

Life Cycle

Females mature their eggs over about five days before depositing them on the water surface where they hatch immediately.

Reproduction

After mating, female imagoes seek safe resting spots to mature their eggs before depositing them directly onto water surfaces.

Ecosystem Role

Function as bioindicators and play a role in aquatic food webs, serving as food for fish and other aquatic organisms.

Tags

• genus
• Callibaetis
• mayflies
• Baetidae