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Botfly. Botflies, also known as warble flies, heel flies, and gadflies, are a family of flies known as the Oestridae. Their larvae are internal parasites of mammals, some species growing in the host's flesh and others within the gut. Dermatobia hominis is the only species of botfly known to parasitize humans routinely, though other species of ...
Dermatobia hominis. The human botfly, Dermatobia hominis (Greek δέρμα, skin + βίος, life, and Latin hominis, of a human), is a species of botfly whose larvae parasitise humans (in addition to a wide range of other animals, including other primates [1]). It is also known as the torsalo or American warble fly, [1] though the warble fly ...
Housefly larva and adult, by Amedeo John Engel Terzi (1872–1956) At the end of their third instar, the larvae crawl to a dry, cool place and transform into pupae. The pupal case is cylindrical with rounded ends, about 8 mm (5 ⁄ 16 in) long, and formed from the last shed larval skin. It is yellowish at first, darkening through red and brown ...
Lateral close-up of a male C. vomitoria. Blue bottle flies are typically 10–14 mm (3 ⁄ 8 – 9 ⁄ 16 in) long, almost twice the size of a housefly. The head and thorax are dull gray, and the back of the head has long yellow-orange setae. [5] [6] The abdomen is bright metallic blue with black markings. Its body and legs are covered with ...
The adult C. ulrichii botfly is 16–18 mm long, its body covered with fluffy hairs of yellow, black and white, making it look like a bumblebee. Mouth parts are reduced and, like other adult Cephenemyia, they cannot feed. [1] Eggs hatch inside the female into first instar larvae, which are minute, white with black heads and barbed.
However, C. fontinella does not mate at temperatures below 20 °C. [15] Adult males fly 1–2 m above the ground for up to 4 hours a day in the presence of sunlight to attract a mate. Once a female demonstrates her interest, the pair finds a nearby branch or leaf for stability. The female grabs the branch or leaf and the male mounts her.
The body typically does not surpass 7.5 cm (3.0 in) in length, [3] although the largest Asian Acanthacorydalis may reach 10.5 cm (4.1 in). [6] Adult males of many—but not all—species are easily recognized by their long, curving mandibles.
The common green bottle fly (Lucilia sericata) is a blowfly found in most areas of the world and is the most well-known of the numerous green bottle fly species. Its body is 10–14 mm (0.39–0.55 in) in length – slightly larger than a house fly – and has brilliant, metallic, blue-green or golden coloration with black markings.