Kaplan's Skolly
CR

Kaplan's Skolly

Thestor kaplani

Unknown

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Kaplan's_thestor

Overview

Kaplan's skolly or Kaplan's thestor, is a species of butterfly in the family Lycaenidae. It is endemic to South Africa, where it is only known from fynbos on the slopes of the Riviersonderend Mountains above Greyton in the Western Cape.

Thestor kaplani faces severe threats from habitat degradation in its extremely limited range within the Western Cape of South Africa. Urban development and agricultural expansion have fragmented the remaining patches of fynbos vegetation that this butterfly depends on. The species' specialized relationship with its ant mutualists and host plants makes it particularly vulnerable to even minor habitat disturbances, while invasive plant species further degrade the quality of remaining suitable habitat.

Threat summary

Habitat

This butterfly inhabits remnant patches of indigenous fynbos vegetation in the Western Cape region of South Africa. It requires specific microhabitats that support both its larval host plants and the ant species with which it has obligate mutualistic relationships.

Rocky areas· major

Conservation measures underway

Species recovery

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Frequently asked questions

Why is Kaplan's Skolly classified as Critically Endangered?
Kaplan's Skolly is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Thestor kaplani faces severe threats from habitat degradation in its extremely limited range within the Western Cape of South Africa. Urban development and agricultural expansion have fragmented the remaining patches of fynbos vegetation that this butterfly depends on. The species' specialized relationship with its ant mutualists and host plants makes it particularly vulnerable to even minor habitat disturbances, while invasive plant species further degrade the quality of remaining suitable habitat.
Where does Kaplan's Skolly live?
Kaplan's Skolly occurs in South Africa. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Kaplan's Skolly?
The main threats to Kaplan's Skolly are 7.1, 8.1, ai-1, and ai-2. The full IUCN-classified threat record for this species is detailed on the species page.

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