Wetland-beetles
Guides
Donaciinae
Aquatic Leaf Beetles, Reed Beetles
Donaciinae is a subfamily of leaf beetles (Chrysomelidae) comprising approximately 100 species across six genera, including Donacia, Macroplea, and Plateumaris. Members are strongly associated with aquatic and semi-aquatic habitats, with larvae developing underwater attached to plant roots. The subfamily is characterized by distinctive morphological adaptations and an obligate symbiosis with bacteria that produce the silk-like material used to construct waterproof pupal cocoons. Donaciinae are primarily distributed in the Northern Hemisphere with extensions into Africa, Madagascar, and Australasia.
Telmatophilus
Telmatophilus is a genus of silken fungus beetles (family Cryptophagidae) established by Heer in 1841. The genus comprises approximately seven described species distributed across Europe and North America. These beetles are associated with moist, decomposing plant matter, particularly in wetland and riparian habitats. The type species, Telmatophilus typhae, was described by Fallén in 1802 from cattail (Typha) habitats.