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The Minors Oligia sp. Length 12-15mm. There are three closely-related species that are hard to distinguish from one another. All rest with wings held in a shallow tent-like manner. Tawny Marbled Minor O. latruncula often has a brown hue to the forewings. Marbled Minor O. strigilis is usually greyish-black with a pale submarginal band near the outer smargins. Rufous Minor O. versicolor is usually beautifully patterned with chestnut and grey. All three species fly June-July. Larvae feed on grasses. All three species are widespread and locally common in southern and central Britain, but much more local further north.