ColeopteraChrysomelidae – Leaf Beetles

Donacia assimilis

This record describes Donacia assimilis (species). Recorded family: Chrysomelidae. Recorded order: Coleoptera.

Identification and Appearance

Donacia assimilis - Donacia assimilis
Contributed by Mike Quinn

metallic green, antennae mostly black legs reddish, femora metallic at apex elytra shiny, subtruncate at base; punctures moderately coarse near base, finer near apex hind femur without tooth, markedly clavate

Classification

Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera (Beetles)
Suborder
Polyphaga
Superfamily
Chrysomeloidea
Family
Chrysomelidae (Leaf Beetles)
Subfamily
Donaciinae
Tribe
Plateumarini
Genus
Donacia

Imported taxonomy record. Source availability varies; see the source references and editorial policy below.

Habitat and Range

Habitat

in beach drift

Geographic Range

mostly e. coastal states: TX, AL-FL-NY, plus IL (BG data)

Seasonal Activity

Aug-Oct

Diet and Behavior

Diet: asso. w/ American bur-reed ( Sparganium americanum , Sparganuaceae) ( 3 )

Additional species information

Species notes from the sources

Etymology: Donacia (Donaciomima) assimilis Lacordaire, 1845

About Primitive Winged Insects: the wider group

Order-level background for Coleoptera, the group containing Donacia assimilis. Species-specific details appear above.

Group overview

Coleoptera is the largest order of insects with over 400,000 described species, representing ~25% of all known animal species and ~40% of all insects. In the U.S. alone, nearly 30,000 beetle species have been identified.

Ecological role of the group

Beetles are prominent decomposers, especially in forests, breaking down dead wood and recycling nutrients. As predators, they reduce populations of pest insects. Many species are also important pollinators of flowering plants.

Economic and practical significance of the group

Beetles have major economic significance: leaf beetles (Chrysomelidae) and weevils (Curculionoidea) are among the most destructive agricultural pests globally, costing billions annually, while predatory species like ladybugs provide natural pest control.

Recorded sources for this group: Britannica, Smithsonian, NCSU Entomology. Imported estimates may describe particular regions or reporting periods.

Explore Coleoptera families and species →

Photos of Donacia assimilis (5)

Donacia assimilis - photo 1
Contributed by Mike Quinn
Donacia assimilis - photo 2
Contributed by Mike Quinn
Donacia assimilis - photo 3
Contributed by Mike Quinn
Donacia assimilis - photo 4
Contributed by Mike Quinn
Donacia assimilis - photo 5
Contributed by Mike Quinn

Photo credits: Contributed by Mike Quinn

Frequently Asked Questions About Donacia assimilis

What is Donacia assimilis?

Donacia assimilis is a species in the family Chrysomelidae, within the order Coleoptera.

How big is Donacia assimilis?

6.0-7.5 mm

How do you identify Donacia assimilis?

metallic green, antennae mostly black legs reddish, femora metallic at apex elytra shiny, subtruncate at base; punctures moderately coarse near base, finer near apex hind femur without tooth, markedly clavate

Where is Donacia assimilis found?
FeatureDetails
Habitatin beach drift
Rangemostly e. coastal states: TX, AL-FL-NY, plus IL (BG data)
What does Donacia assimilis eat?

The diet of the Donacia assimilis includes asso. w/ American bur-reed ( Sparganium americanum , Sparganuaceae) ( 3 ).

When is Donacia assimilis active?

Donacia assimilis: seasonal activity - Aug-Oct.

How we use and review source data. Source count does not imply independent verification.

Photo credits: Contributed by Mike Quinn. Contributors retain copyright over their individual contributions.