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Moths of the Amazon and Andes
Spectre
Xenosoma   ( unidentified species ref 396 )
Superfamily - NOCTUOIDEA
Family - EREBIDAE

subfamily - ARCTIINAE

Tribe - PERICOPINI

Xenosoma sp, Manu cloudforest, 1400m, Peru  Adrian Hoskins
Introduction
The tiny eyes, pectinate antennae and wing venation indicate that this species is a member of the subfamily Pericopinae, which comprises of about 300 known species, all of which are neotropical in distribution. Many of them are diurnal and very brightly coloured, but there are also a number of less colourful nocturnal genera such as Xenosoma.
There are 8 described Xenosoma species. The very distinctive venation of the species shown above closely matches the specimen of giganteum illustrated by Druce in Biologia Centrali Americana but that species is not listed by the Global Lepidoptera Names Index under Xenosoma or any possible synonymous genus. The yellowish thorax and black abdominal stripe are only present in one other Xenosoma species. i.e. progonum, but the latter has dark wing margins. This therefore appears to be an undescribed Xenosoma species.
I have only encountered this species in Peru but I know of an identical specimen from Paraguay.
Habitats
Cloudforest, elevation 1400m.
Lifecycle
The larvae of Pericopinae are generally brightly coloured and have barbed tubercles arising from the mesothorax. They feed on various Fabaceae, Asclepiadaceae, Apocyanaceae and Boraginaceae. The pupae are ornate, and are formed within a flimsy cocoon.
Adult behaviour

To be completed.

 

 

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