Plateumaris

Classification

Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Order: Coleoptera
Suborder: Polyphaga
Superfamily: Chrysomeloidea
Family: Chrysomelidae
Subfamily: Donaciinae
Tribe: Plateumarini
Genus: Plateumaris

Pronunciation

How to pronounce Plateumaris: /ˌplætɛʊˈmɛərɪs/

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Summary

Plateumaris is a genus of aquatic leaf beetles known for its diverse species primarily located in aquatic environments in the Holarctic region. They are characterized by their feeding habits and reproductive structure, primarily associated with specific plant families.

Physical Characteristics

Variations in colors and patterns, identifiable by pronotum features, leg color, metafemoral tooth, and pygidial detail. Dissection of endophallus and examination of female ovipositor are needed for positive identification.

Identification Tips

Good quality photographs of the pronotum and leg color help in identification. The metafemoral tooth and details of the pygidium are also important for distinguishing species. Dissection may be required for certain identifications.

Habitat

Emergent aquatic vegetation along margins of ponds, streams, and lakes.

Distribution

Holarctic, with a more diverse presence in northern regions of North America; 17 described species in the area, 15 found in Canada.

Diet

Primarily feeds on members of the Cyperaceae family; also found on Juncaceae, Acorus calamus (Araceae), Caltha palustris (Ranunculaceae), Phragmites communis (Gramineae), and Iris versicolor (Iridaceae).

Reproduction

Females possess an ovipositor which may assist in reproduction identification.

Ecosystem Role

Contributes to aquatic ecosystems by feeding on vegetation, potentially affecting plant community structures.