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A duck with angel wing A Muscovy duck with angel wing. Angel wing, also known as airplane wing, [1] slipped wing, crooked wing, and drooped wing, [citation needed] is a syndrome that affects primarily aquatic birds, such as geese and ducks, in which the last joint of the wing is twisted with the wing feathers pointing out laterally, instead of lying against the body.
The Drosophilidae are a diverse, cosmopolitan family of flies, which includes species called fruit flies, although they are more accurately referred to as vinegar or pomace flies. [1] Another distantly related family of flies, Tephritidae , are true fruit flies because they are frugivorous, and include apple maggot flies and many pests.
The black mutation results in a darker colored body, wings, veins, and segments of the fruit fly's leg. [58] This occurs due to the fly's inability to create beta-alanine , a beta amino acid. [ 57 ] The phenotypic expression of this mutation varies based on the genotype of the individual; for example, whether the specimen is homozygotic or ...
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.
Drosophila suzukii, commonly called the spotted wing drosophila or SWD, is a fruit fly. D. suzukii , originally from southeast Asia, is becoming a major pest species in America and Europe, because it infests fruit early during the ripening stage, in contrast with other Drosophila species that infest only rotting fruit.
The Tephritidae are one of two fly families referred to as fruit flies, the other family being the Drosophilidae. The family Tephritidae does not include the biological model organisms of the genus Drosophila (in the family Drosophilidae), which is often called the "common fruit fly".
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The Angel Flight process usually begins when a referring health professional, usually a social worker, contacts an Angel Flight organization. The referrer describes the points between which transportation is needed, the total number of people and weight, and the condition of the patient.