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Dermatobia hominis 2nd instar larva (click on image to enlarge it)
Author(s): Ken Walker, Museum Victoria
Source: PaDIL
Vernacular names
• Deutsch: Biesfliegen
• English: warble flies
bot flies
• Español: éstridos
• Français: œstridés

Oestridae - (warble flies)

This family of flies contains around 150 species. The larvae are endoparasites of mammals and often live in the nasal cavities of their hosts, under the skin, in the oral cavity or inside the stomach. The larvae of some species can reach a length of 3 cm. The mature larvae leave the host and pupate in the ground. The adults usually do not feed. They are typically covered with hairs and appear bee-like, frequently with black marks.

This family contains the following 4 subfamilies:
Cuterebrinae - rodent bots plus the human bot (synonym Cuterebridae)
Gasterophilinae - stomach bots (synonym Gasterophilidae)
Hypodermatinae - a group of warble flies (synonym Hypodermatidae)
Oestrinae - nose bots

For details see the respective page in Wikipedia.

The following genera and individual species are currently entered in the system: