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Empididae is a family of flies with over 3,000 described species occurring worldwide in all the biogeographic realms but the majority are found in the Holarctic.They are mainly predatory flies like most of their relatives in the Empidoidea, and exhibit a wide range of forms but are generally small to medium-sized, non-metallic and rather bristly.
Sciomyzidae are small or medium-sized (2–14 mm), usually slender flies with predominantly dull grey, brown, reddish or yellow body, rarely black-lustrous. Wings hyaline, often with dark spots or dark reticulate pattern. The head is semispherical or round. The antennae are usually elongate and the arista is pubescent or has shorter or longer ...
Rather thinly pilose or nearly bare, elongate or stout flies of small to large size (3–20 mm, usually 5–15 mm). They are often lustrous with a black and yellow colour pattern or with reddish brown markings. The head is broad and the frons is broad in both sexes. Ocelli may be present or absent (Conopinae). Ocellar bristles are small or absent.
Pjotr Oosterbroek, 2006 The European families of the Diptera : identification, diagnosis, biology Utrecht, KNNV ISBN 9050112455; Oldroyd, Harold (1954). Diptera 1. Introduction and key to families. Handbooks for the Identification of British Insects. Vol 9 Part 1. Royal Entomological Society. Archived from the original on 2014-02-09.
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.
They are often known as picture-winged flies, along with members of other families in the superfamily Tephritoidea that have patterns of bands or spots on the wings. Some species share with the Tephritidae an unusual elongated posteroapical projection of the anal cell in the wing , but can be differentiated by the smoothly curving subcostal vein.
The name and behavior of this species of fly have led to the misconception that it is a biological security risk in Australia and elsewhere. While other "fruit fly" species do pose a risk, D. melanogaster is attracted to fruit that is already rotting, rather than causing fruit to rot. [198] [199]
Blue-winged Olive flies is a collective term used by anglers in fly fishing to identify a broad array of mayflies having olive, olive-brown bodies and bluish wings in their adult form. Sometimes referred to as BWO , a wide array of artificial flies are tied to imitate adult, nymphal and emerging stages of the aquatic insect.
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