ColeopteraChrysomelidae – Leaf Beetles

Corn Flea Beetle

Chaetocnema pulicaria

This record describes Chaetocnema pulicaria (species). Recorded family: Chrysomelidae. Recorded order: Coleoptera.

Identification and Appearance

Corn Flea Beetle - Chaetocnema pulicaria
Contributed by v belov; Additional contributions by Beatriz Moisset , Mike Quinn

May damage corn crops; important in parts of the Midwest where it may transmit the bacterial agent of Stewart's wilt of corn ( 4 ) . It is also called the clover leaf beetle for feeding on this crop

Classification

Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera (Beetles)
Suborder
Polyphaga
Superfamily
Chrysomeloidea
Family
Chrysomelidae (Leaf Beetles)
Subfamily
Galerucinae
Tribe
Alticini
Genus
Chaetocnema

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

Habitat and Range

Geographic Range

CA-FL-ON-BC - [url=https://www.gbif.org/species/4990561]Map[/ur;] , also nearly worldwide

Diet and Behavior

Diet: Hosts: various grasses (Poaceae) ( 3 ) Also soybeans and clover.

Life History

Female lays egg in ground near host plants. Eggs hatch in 7-14 days.

Additional species information

Species notes from the sources

Etymology: pulicaria = 'flea-like'

About Primitive Winged Insects: the wider group

Order-level background for Coleoptera, the group containing Chaetocnema pulicaria. 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.

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Frequently Asked Questions About Corn Flea Beetle

What is Corn Flea Beetle?

Corn Flea Beetle (Chaetocnema pulicaria) is a species in the family Chrysomelidae, within the order Coleoptera.

Where is Corn Flea Beetle found?

Range: CA-FL-ON-BC - [url=https://www.gbif.org/species/4990561]Map[/ur;] , also nearly worldwide

What does Corn Flea Beetle eat?

The diet of the Corn Flea Beetle includes Hosts: various grasses (Poaceae) ( 3 ) Also soybeans and clover..

What is the life cycle of a Corn Flea Beetle?

Female lays egg in ground near host plants. Eggs hatch in 7-14 days.

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

Photo credits: Contributed by v belov; Additional contributions by Beatriz Moisset , Mike Quinn. Contributors retain copyright over their individual contributions.