Image of spider riffle beetles

Description:

Figure 12.Ancyronyx tamaraw Freitag, sp. n., larva (SEM photographs; not to scale): A detail of abdominal segment III, lateral, with posterolateral projections and spiracles B head, dorsal C head, frontal D head, ventrolateral E meso- and metathoracic and first and second abdominal segments, ventral F lateral parts of median sclerites of abdominal venter, with setiferous tubercles and lateral projections G abdominal segments VIII and IX, dorsal H operculum, ventral.