November coverSubmitted by editor on 13 November 2018.Get the paper!
The photo on the November cover shows a Bombus appositus legitimately visiting a Corydalis caseana flower on an inflorescence bearing both robbed and unrobbed flowers. This interaction is studied in the paper Why are some plant–nectar robber interactions commensalisms? by Jacob Heiling and co-workers
Photographer: Trevor Ledbetter