Figure 2.
Structures of oral insect secretions. (a) Volicitin, N-(17-hydroxylinolenoyl)-l-Gln; (b) Inceptin, proteolytic peptides of the chloroplastic ATP synthase γ-subunit; (c) Caeliferin A16:1, (E)-2,16 disulfooxy-6-hexadecenoic acid; and (d) Bruchin c, (Z)-9-tetracosene-1,24-diol bis-(3-hydroxypropanoate)ester.