Brontispa longissima (Gestro). 52 head, dorsal view 53 mouthpart, ventral view 54 head, ventral view 55 clypeus and labrum 56 mandible 57 vertical setae of head 58 scolus 59 supra-anal process 60 antenna. Abbreviations: pr – prementum; st – stipes; v – vertical setae.