Functional constraints on the evolution of long butterfly proboscides: lessons from Neotropical skippers (Lepidoptera: Hesperiidae).

Bauder J.A.S., Morawetz L., Warren A.D. & H.W. Krenn. 2015. Functional constraints on the evolution of long butterfly proboscides: lessons from Neotropical skippers (Lepidoptera: Hesperiidae). J . E V O L. BI O L . 2 8 ( 2 0 1 5 ) 6 7 8 - 6 8 7.