FIGURES 13–18 in Morphology of preimaginal stages of Lauxania and Calliopum (Diptera: Lauxaniidae)

FIGURES 13–18. Lauxania minor, third instar, arrowheads indicate the tubercles. 13. Pseudocephalon, ventral view. 14. Maxillary palpus. 15. Ventral organ. 16. Pseudocephalon and first thoracic segment, dorsal view. 17. Anterior spiracle. 18. Keilin's organ. A, antenna; C, cirri; CS, pseudocephalon; LL, labial lobe; MH, mouth hook; MP, maxillary palpus; NS1, NS2, first and second additional sensilla; SB1–SB4, first to fourth sensilla basiconica; SC1–SC4, first to fourth sensilla coeloconica; VOventral organ.