Planctogystia parvulus is a moth of the family Cossidae. It is found in Madagascar.afromoths.net
This is a large, heavy moth with a wingspan of 40 to 64 mm. The frontwings are whitish, covered with cossid reticulations, including a fairly marked median line. On the costa there are 5 black spots. The hindwings are uniformly dark grey.Kenrick, 1914a. New or little known Heterocera from Madagascar. - Transactions of the entomological Society of London 1913(4):p.588, pls. 31–32
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