Mordellini

Latreille, 1802

Genus Guides

8

Mordellini is a tribe of beetles within the Mordellidae, commonly known as tumbling flower beetles. Members are characterized by their distinctive tumbling escape and elongated abdominal tip. The tribe contains numerous distributed worldwide, with larvae that develop in decaying wood or plant stems.

Mordellistena syntaenia by (c) christine123, some rights reserved (CC BY), uploaded by christine123. Used under a CC-BY license.Mordella by (c) Oleksii Vasyliuk, some rights reserved (CC BY), uploaded by Oleksii Vasyliuk. Used under a CC-BY license.Falsomordellistena bihamata by no rights reserved, uploaded by Matt Schultz. Used under a CC0 license.

Pronunciation

How to pronounce Mordellini: /mɔrˈdɛl.liː.naɪ/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Mordellini beetles can be distinguished from other mordellid tribes by genitalic and larval characteristics, though specific diagnostic features require expert examination. generally share the traits of wedge-shaped body, humpbacked profile, and pointed that extends beyond the .

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Habitat

are frequently found on flowers, particularly umbellifers and composites. Larvae inhabit decaying wood, dead stems, and pith of herbaceous plants.

Distribution

Worldwide distribution with recorded across North America, Europe, Asia, and other regions.

Seasonality

activity peaks during spring and summer months when flowering plants are abundant.

Life Cycle

Larvae are wood-borers or stem-borers in dead or dying plant material. Complete with , larval, pupal, and stages.

Behavior

exhibit characteristic tumbling movements when disturbed—springing and rotating through the air to escape . This is facilitated by the pointed abdominal tip that acts as a lever against substrates.

Ecological Role

Larvae contribute to decomposition of dead plant material. may serve as while visiting flowers.

Human Relevance

Generally harmless to humans and agriculture. Occasionally encountered by entomologists and naturalists.

Sources and further reading