Scanning electron microscopy (SEM) of the head of Dasmeusa pauperata (Fabricius, 1803). A Microtrichia at apex of clypeus; B apex of clypeus and labrum; C labrum and second article of labium; D third article of labium and apex of maxillary stylets; E apex of third article of labium and maxillary stylet; F sensilla coeloconica of third article of labium; G sensillum coeloconicum at higher magnification; H maxillary stylet and lateral projections of mandibular stylet (asterisks); I apex of maxillary stylets, with brochosomes.