.... Drosophila Su(z)2 Adhesive organ Pulvillus Seta Smooth surface In insects, essentially two types of anatomical structures account for the ability to climb on vertical surfaces, the claws of the pretarsus, and smooth or hairy adhesive pads located on different parts of the legs ( Gorb et al...

... would impede the very rapid (less than 0-02 s) removal of the pulvilli, were it not for the retraction mechanism which peels off the pulvillus from the distal edge, like a piece of adhesive tape. The ultrastructure of the pulvillar gland is described. The epidermal cells discharge into a cavity which...