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The small neuropterous family Dilaridae, "pleasing lacewings," presently includes 67 extant species, with a combined distribution encompassing parts of North and South America, Europe, Asia and Africa (Oswald 1998). No extant dilarids are known from Australia or New Guinea. Engel (1999) recently described the only known fossil dilarid, Cascadilar eocenicus, an adult male from Baltic amber. Dilarids are associated with woodland and forest environments, where their larvae live in corticolous or terricolous microhabitats and feed on small arthropod prey. Old World dilarid species are currently placed in four genera — three in the subfamily Dilarinae: Berothella Banks (2 spp.; China, continental Malaysia), Dilar Rambur (45 spp.; widespread throughout the Oriental and southern Palearctic regions) and Neonallachius Nakahara (1 sp.; India), and one genus in the subfamily Nallachiinae: Nallachius Navas (2 spp.; Vietnam, southeastern Africa). The adults of most species are relatively rarely collected and larvae are known for only five species (Oswald 1998).


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