Haematopotini

clegs, deer flies

Genus Guides

1

Haematopotini is a tribe of horse flies within the Tabanidae. Members are commonly known as clegs or deer flies. The tribe contains approximately four , including the well-known genus Haematopota. These flies are blood-feeding insects with females requiring blood meals for development.

Haematopotini by (c) Михаил Языков, some rights reserved (CC BY), uploaded by Михаил Языков. Used under a CC-BY license.

Pronunciation

How to pronounce Haematopotini: //ˌhiːmətoʊˈpɒtɪnaɪ//

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Identification

Haematopotini can be distinguished from other tabanid tribes by wing venation patterns and . Members of the Haematopota typically display spotted or patterned wings, a trait useful for field identification. The tribe is placed within Tabaninae based on morphological characteristics.

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Distribution

The tribe has a wide distribution with member occurring across multiple continents. Haematopota is particularly diverse in the Palearctic region.

Diet

Females are obligate blood-feeders, requiring vertebrate blood for maturation. Males do not blood-feed and are presumed to feed on nectar and other sugar sources, though this has not been explicitly documented for all .

Life Cycle

Development follows the typical tabanid pattern: laid in masses on vegetation near water or moist soil, larval stages are aquatic or semi-aquatic , occurs in soil or mud, and emerge to mate. Specific timing varies by and region.

Behavior

Females are persistent biters and strong fliers, capable of following for considerable distances. They are and visual hunters, using large to locate hosts.

Ecological Role

Larvae function as in aquatic and semi-aquatic . females serve as blood-feeding on mammals and birds, potentially acting as .

Human Relevance

Bites cause pain, swelling, and allergic reactions in sensitive individuals. Some are of livestock including equine infectious anemia and . Heavy can reduce productivity in grazing animals.

Similar Taxa

  • TabaniniAnother tribe within Tabaninae; distinguished by wing venation and patterns, with Haematopotini often showing more pronounced wing markings

More Details

Systematics

The tribe is classified within Tabaninae. The Heptatoma is sometimes treated as distinct due to its unusual , though it remains within Haematopotini in current classifications.

Sources and further reading