Mordellidae
Family: Mordellidae
Common Name
Tumbling Flower Beetles
Overview
Mordellidae, commonly known as tumbling flower beetles, is a family of beetles that are small to medium in size. They are named for their erratic, tumbling motion when disturbed. This family includes over 1,500 species distributed worldwide.
Taxonomy
- Kingdom: Animalia
- Phylum: Arthropoda
- Class: Insecta
- Order: Coleoptera
- Suborder: Polyphaga
- Superfamily: Tenebrionoidea
- Family: Mordellidae
Key Characteristics
- Size: Typically 2-7 mm in length
- Body Shape: Elongated, wedge-shaped
- Color: Usually black or brown, sometimes with yellow or white markings
- Antennae: Filiform or slightly clubbed
- Legs: Hind legs adapted for jumping
- Elytra: Shortened, leaving the last few abdominal segments exposed
Life Cycle
- Egg: Laid in plant stems, flowers, or decaying wood
- Larva: Develop within the host material, feeding on decaying organic matter or plant tissues
- Pupa: Develops within a cell made from plant material or soil
- Adult: Emerge and can be found on flowers or foliage, feeding on pollen and nectar
Behavior and Ecology
- Movement: Known for their tumbling motion when disturbed
- Habitat: Found on flowers, under bark, in decaying wood, or in leaf litter
- Diet: Adults feed on pollen and nectar; larvae feed on decaying plant material or sometimes boring into plant tissues
- Pollination: Some species play a role in pollination
Notable Species
- Mordella marginata
- Mordellistena chevrolati
- Mordellina ancilla
Conservation
Most species of Mordellidae are not under significant threat and are widespread. Their conservation status varies, with many not assessed due to their lesser-known ecological roles.
Significance to Humans
Tumbling flower beetles are of interest to entomologists for their unique behaviors and ecological roles. They also play a part in the pollination of some plants, contributing to plant reproduction.
Fun Facts
- Jumping Ability: Their hind legs are highly adapted for jumping.
- Tumbling Motion: Their name comes from their erratic tumbling motion when disturbed.
- Dietary Variety: While adults prefer nectar and pollen, larvae may be found boring into plant stems or consuming decaying wood.
- Worldwide Distribution: Mordellidae can be found on every continent except Antarctica.