Ommatius tibialis

Say, 1823

Northeastern Plumetop

Ommatius tibialis is a of robber fly in the Asilidae, commonly known as the Northeastern Plumetop. The species was described by Thomas Say in 1823. As a member of the Asilidae, it is a predatory fly with venomous mouthparts used to subdue prey. The Ommatius is one of the largest genera within the family, with species distributed across multiple continents.

Ommatius tibialis by (c) Bill Keim, some rights reserved (CC BY), uploaded by Bill Keim. Used under a CC-BY license.

Ommatius tibialis by (c) John B., some rights reserved (CC BY). Used under a CC-BY license.

Ommatius tibialis by the Smithsonian. Used under a CC0 license.

Pronunciation

How to pronounce Ommatius tibialis: /ɔˈmeɪʃəs taɪˈbiːəlɪs/

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Identification

The specific epithet 'tibialis' suggests a distinguishing feature related to the tibiae (lower leg segments). In the Ommatius, are often distinguished by leg coloration, mystax (facial hair) patterns, and wing venation. Ommatius tibialis may be distinguished from similar by characteristics of the tibiae, though specific diagnostic features require examination of or original description.

Images

Distribution

Vermont, United States; broader distribution within the United States. The epithet and 'Northeastern Plumetop' suggest affinity for the northeastern region of North America.

Ecological Role

As a member of the Asilidae, Ommatius tibialis functions as an aerial of other insects. Robber flies are considered beneficial in many due to their role in controlling of other insects, including potential pest .

Similar Taxa

Ommatius amula in the same , sharing general body plan and predatory ; distinguished by specific morphological features of legs and coloration patterns
Other Ommatius speciesThe contains numerous that require careful examination of tibial characteristics, mystax patterns, and male genitalia for accurate identification

More Details

Taxonomic history

Originally described as Ommatus tibialis by Thomas Say in 1823, later transferred to the Ommatius. The basionym reflects early 19th century classification of Asilidae.

Research significance

The Ommatius is the subject of ongoing systematic research, including phylogenetic studies by researchers such as Charlotte Herbert Alberts at UC Davis, who has examined Asiloidea and diversification.