Opsin expression patterns across ommatidia in the eye of a female hairstreak butterfly, Eumaeus atala (Lepidoptera: Lycaenidae). (IMAGE)

Harvard University, Department of Organismic and Evolutionary Biology

Opsin expression patterns across ommatidia in the eye of a female hairstreak butterfly, Eumaeus atala (Lepidoptera: Lycaenidae).

Caption

The blue and long-wavelength red-shifted visual opsins are expressed across the eye but in distinct photoreceptor cells of single ommatidia, as shown here using double fluorescent in situ hybridization.

Credit

Image copyright 2021, Marjorie A. Liénard, Lund University.

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