UV-green dichromacy in the basal hymenoptera Sirex noctilio (Hymenoptera: Siricidae)

Quentin Guignard
A precondition for colour vision is the presence of at least two spectral types of photoreceptors in the eye. In the Apocrita, trichromacy is the basal pattern. Most species possess three different photoreceptor types in their compound eyes, with peak sensitivities in the ultraviolet, blue and green range of the light spectrum, and the corresponding visual pigments, the opsins. Experimental studies in basal Hymenoptera report from one to four photoreceptors, but results remained inconclusive. To...
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2 downloads reported since publication in 2020.

These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
What does this mean?