FIGURE 9. Sepedonella nana, cephalopharyngeal skeleton. A–B in Biology of the Afrotropical Sepedonella nana (Diptera: Sciomyzidae), whose larvae feed only on freshwater Aulophorus furcatus (Oligochaeta: Naididae)

FIGURE 9. Sepedonella nana, cephalopharyngeal skeleton. A–B, first-instar larva. A, anterior part, details. B, entire view. C– I, second-instar larva. C, entire view. D, epistomal sclérite and parastomale bars. E, general disposition of épistomal slerite, parastomal bars and hypostomal sclérite (idem in follow stadium). F, mouthhook. G, ventral arch. H, lingual slerite. I, hypostomal sclerite. J–O, third-instar larva. J, entire. K, epistomal sclerite; L, mouthhook; M, ventral arch; N, lingual sclerite; O, hypostomal sclerite. da, accessory teet; dc, dorsal cornua; es, épistomal sclérite; hs, hypostomal sclerite; ls, lingual sclerite; mh, mouthhook; pb, parastomal bar; ps, pharyngeal sclérite; va, ventral arch; vc, ventral cornua.Published as part of Vala, Jeanclaude & Gbedjissi, Louis Ghélus, 2011, Biology of the Afrotropical Sepedonella nana (Diptera: Sciomyzidae), whose larvae feed only on freshwater Aulophorus furcatus (Oligochaeta: Naididae), pp. 50-68 in Zootaxa 3102 on page 64, DOI: 10.5281/zenodo.20655