Polypedilum

Classification

Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Order: Diptera
Infraorder: Culicomorpha
Family: Chironomidae
Subfamily: Chironominae
Tribe: Chironomini
Genus: Polypedilum

Pronunciation

How to pronounce Polypedilum: /ˌpɒlɪˈpɛdɪləm/

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Summary

Polypedilum is a diverse genus within the Chironomidae family, with adaptations for survival in extreme conditions, particularly in P. vanderplanki which can survive extreme dehydration and temperature ranges.

Physical Characteristics

Male abdominal tergite 8 triangular. Male flagellum 13-segmented. Pulvilli deeply divided; color varies widely from pale to dark. Some species have spotted wings, with a few species having hairy wings.

Identification Tips

Look for the triangular male abdominal tergite 8 and the 13-segmented male flagellum. Microscopic examination required to see the deeply divided pulvilli.

Habitat

Larvae are found in small tubular nests in the mud at the bottom of temporary pools.

Distribution

Widespread, with a presence in semi-arid regions of Africa, particularly northern Nigeria and Uganda for P. vanderplanki.

Diet

Larvae are often wood or leaf miners.

Life Cycle

Aquatic larvae that can withstand extreme environmental conditions, entering a state of anhydrobiosis when desiccated.

Ecosystem Role

Part of aquatic ecosystems, contributing to organic material processing as larvae feed on decaying plant matter.