FIGURES 150–155. Sapromyzosoma quadricincta, third instar. 150 in The immatures of lauxaniid flies (Diptera: Lauxaniidae) and their taxonomical implications

FIGURES 150–155. Sapromyzosoma quadricincta, third instar. 150. Cephalic segment, ventral view. The mouth hooks are retracted and consequently not visible. 151. Detail of the ventral organ. 152. Thoracic segments, dorsal view. 153. Anterior spiracle, lateral view. 154. Abdominal segments, dorsal view. 155. Abdominal segments, lateral view. A1–A6, first to sixth abdominal segments; AS, anterior spiracles; MH, mouth hooks; MP, maxillary palpus; PC, peristomal cirri; PS, posterior spiracles; SC, scraping cirri; T1–T3, first to third thoracic segments; VO, ventral organ.