Figs. 15–20. Morphological structures. 15 in Larval Psephenidae (Coleoptera: Byrrhoidea) of Thailand:Annotated List and Illustrated Key to Genera

Figs. 15–20. Morphological structures. 15) Sinopsephenoides: Stellate tubercles on venter; 16) Sinopsephenoides: Short and moderately narrow cephalic plate; 17) Granuleubria: Ninth abdominal segment entire posteriorly (from Lee et al. 2007); 18) Macroeubria: Ninth abdominal segment emarginated posteriorly; 19) Microeubria: Meso- and metathoracic paratergites truncate laterally; 20) Schinostethus: Meso- and metathoracic paratergites acicular laterally.