FIGURES 16–21 in A new spider fly (Diptera: Acroceridae: Ogcodinae: Ogcodes Latreille) from Chiloé Island's evergreen forest and new distributional records for other spider flies in Chile

FIGURES 16–21. Ogcodes gradient (from more complete to more reduced) of wing veins: (16) Ogcodes current wing vein model; (17) O. kuscheli; (18) O. triangularis; (19) O. jacobaeus; (20) O. porteri; (21) O. kunkunche. Abbreviations: A, anal vein; CuA, anterior cubital vein; CuP, posterior cubital vein; M, medial veins; R, radial veins; r-m, radial-medial crossvein; Sc, subcostal vein.