Myxophaga

Pronunciation

How to pronounce Myxophaga: /mɪkˈsɒfəɡə/

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Summary

Myxophaga is a suborder of small to minute beetles within the order Coleoptera, notable for their aquatic and semiaquatic adaptations and diet primarily consisting of algae. They include about 65 species across four families, demonstrating unique morphological traits.

Physical Characteristics

Myxophaga have several diagnostic features including clubbed antennae with usually fewer than nine segments, and open mesocoxal cavities bordered by mesepimeron and metanepisternum. The hind wings are rolled apically when at rest. They possess six malpighian tubules and coiled tube-like testes.

Identification Tips

Look for small to minute size beetles with clubbed antennae and characteristic mouthparts that lack galeae, featuring a mobile tooth on the left mandible.

Habitat

Myxophaga species are found in aquatic and semiaquatic environments, feeding primarily on algae.

Distribution

Members of family Lepiceridae are found in northern South America and Central America. Sphaeriusidae are present on all continents except Antarctica. Hydroscaphidae occurs on all continents except Australia and Antarctica, while Torridincolidae is distributed in Africa, Asia, and South America.

Diet

Myxophaga beetles primarily feed on algae.

Ecosystem Role

Myxophaga beetles play a role in aquatic ecosystems as grazers of algae, contributing to the nutrient cycle.

Evolution

The evolutionary history of Myxophaga is not well-documented, but they are characterized by unique anatomical features related to their aquatic lifestyle.

Tags

• Coleoptera
• Myxophaga
• Aquatic Beetles
• Insecta