It occurs on the Comoros (Anjouan Island), Mayotte, Juan de Nova Island, and on the Cosmoledo Atoll of the Seychelles, which is located about 415 km northeast of Mayotte.
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The latter was collected in lowland dry forest, coastal scrub land, and in a coconut plantation, while P. decepticon was found in rainforest, lowland coastal forest, Casuarina forest, old settlements, coral karst scrubland, and along roadsides.