Long triangle (Cuneisigna obstans)

Forewing 15 – 17 mm. Body and wings grey to cream. Forewings with distinctive narrow black triangle on the inner margin, and vertical undulating black bar separated from the brown wing tip by a thin white line. Hindwings with grey shading to brown border.

Caterpillar is a tan semi-looper with a median longitudinal dark line separating the darker dorsal part of the body.

Caterpillars feed on the sweet thorn tree (Vachellia karroo). This species is bivoltine – meaning this moth can have two broods or generations in a year – and adults can be found throughout the year where conditions allow it.
Found in various habitats where thorn trees grow.

Southern African Moths & Their Caterpillars (2023).

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