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Moths of the Amazon and Andes
Broken-streak Wainscot
Leucania ( unidentified species )
Superfamily - NOCTUOIDEA
Family - NOCTUIDAE
subfamily - HADENINAE
Tribe -
Leucania ( unidentified species ), Satipo, Peru  Adrian Hoskins
Introduction
The genus Leucania comprises of about 250 known species, popularly as wainscots. They are found in almost all regions of the world and in a wide range of habitats ranging from deserts to grasslands, deciduous woodlands, rainforests and cloudforests. Virtually all the species have pale straw coloured forewings with thin dark intraneural streaks. Many have an additional thicker black streak running from the base to the end of the discal. Most also have one or two small black spots within the discal cell, and a series of small postmedial spots running parallel with the outer margin. It is often almost impossible to distinguish the species visually, making genitalic dissection necessary.
The distribution of the illustrated species is unknown but I have seen examples of it at several sites in the Peruvian eastern Andes.
Leucania ( unidentified species ), Tingo Maria, Peru  Adrian Hoskins
Habitats
This species is found in cloudforest habitats at elevations between about 400-1800m.
Lifecycle
The larvae of Leucania species are typically plump, smooth skinned except for a few short setae, and generally pale brown on colour, with a series of dark blotchy longitudinal stripes along the back and sides. Most species feed on grasses, but it is possible that sedges, bamboos or palms are also used by tropical species.
Adult behaviour

Wainscot moths are superbly camouflaged when resting among the dead leaves of sedges, palms and bamboos, and probably spend the daytime hiding among dead vegetation.

 

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