The evolution of sexual signaling is linked to odorant receptor tuning in perfume-collecting orchid bees

Philipp Brand, Ismael A. Hinojosa-Diaz, Ricardo Ayala, Michael Daigle, Carmen L. Yurrita Obiols, Thomas Eltz & Santiago Ramirez
Sexual signaling is an important reproductive barrier known to evolve early during the formation of new species, but the genetic mechanisms that facilitate the divergence of sexual signals remain elusive. Here we isolate a gene linked to the rapid evolution of a signaling trait in a pair of nascent neotropical orchid bee lineages, Euglossa dilemma and E. viridissima. Male orchid bees acquire chemical compounds from their environment to concoct species-specific perfumes to later expose during...
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14 downloads reported since publication in 2019.

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?