Leucopis (genus - predators)
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Chamaemyiidae - Leucopis (predators) Meigen, 1830 - (silver flies)
The family Chamaemyiidae or silver flies includes small (1-5 mm) flies which have larvae that are predators of small Hemiptera like aphids, adelgids or mealybugs. The cuticle of the adult flies is typically covered with a whitish powder. The individual genera and species often have a restricted host range of prey. The family has 28 genera and more than 300 species (Gaimari, 2012 - Zootaxa 3342).
The larvae in the genus Leucopis are mainly aphid predators, but some species prey on adelgids like Leucopis argenticollis, a predator of the hemlock woolly adelgid.
Type species: Leucopis griseola
Currently, the following species have been entered into the system: