Water-lily Reed Beetle vs Texas Stygobiontic Diving Beetle

Side-by-side species comparison

Attribute Water-lily Reed Beetle Texas Stygobiontic Diving Beetle
Scientific Name Donacia simplex Psychopomporus felipi
Order Coleoptera Coleoptera
Family Chrysomelidae Dytiscidae
Size 7-9 mm 1.5-2 mm
Habitat Ponds & Lakes Indoors
Diet Herbivores Omnivores
Regions Europe, Asia, North America United States
Conservation Least Concern Data Deficient

Water-lily Reed Beetle

A metallic coppery-bronze aquatic beetle with longitudinal ridges on the elytra. Adults sit on floating leaves of pondweeds and bur-reeds in still or slow-flowing water.

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Did You Know?

Larvae construct a silken cocoon underwater attached to plant roots, filling it with air obtained from the plant's tissues for pupation.

Texas Stygobiontic Diving Beetle

A groundwater-dwelling diving beetle from the Edwards-Trinity Aquifer in Texas. It was the first stygobiontic diving beetle described from North America.

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Did You Know?

Its genus name means 'guide of the dead,' referencing its underworld habitat.