Butterfly Proboscis and Wing Scale Structure The proboscis rolling upNote 2 maxillary galeae that form the proboscisThe internal muscle distribution allow the proboscis to bendBefore galeae zipping together Note sensors on end of the proboscis during the initial zipping together Research from Krenn showing the cross section of a proboscis Scanning EM research From Krennx63 Oil Immersion LensDissected proboscis showing sensors and ligulaeTaste or chemical sensors. The spike is a mechanical sensor.Diagam of breathing systemTrachea in the ProboscisEmpty wing scale sockets An occupied scale socketRidges and cross bridges on a small portion of a scale. The little out of focus blobs are probably pigment granules
