Characteristics
Muscina species are characterized by a retractable proboscis, sponging or sucking mouthparts, and a pale tip on the scutellum. The species M. stabulans and M. levida are larger than the housefly, and have moderately curved fourth veins with the latter also having a black palpi. The species M. levida has legs that are entirely black. M. pascuorum flies have a red palpi, a strongly curved fourth vein that ends in or before the wing tip, and are generally larger than M. levida.
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