Table 1 in A review of Madagopsina Feijen, Feijen & Feijen (Diptera, Diopsidae) with description of a new species, key to the species, and discussion of intrageneric relationships

Table 1. Differential character states for the Madagopsina apollo species group and Madagopsina apographica species group.
CharacterMadagopsinaMadagopsina apollo species groupMadagopsina apographica species groupheadaristabasal half finely microtrichosealmost barethoraxscutum length/width0.80-0.880.93-0.95pleurotergal spineslaterally directedposterolaterally directedwingwidth dark preapical band/wing length0.18-0.200.13-0.14dark preapical bandas broad as central band and equal in colourdistinctly narrower than central band and darkerfemur 1ratio length/width ♀3.4-3.54.6-6.0ratio length/width ♂3.2-3.74.6-6.3abdomenshapeclub-shapedslenderratio length/broadest width≤3~4tergite 3no spotsone pair of lateral spotssternite 2 length/width1.2-1.61.9-2.8length St1+St2+St3/ width posterior St22.8-3.14.1-4.8genitaliaratio posterior/anterior arm of phallapodeme1.1-1.40.7-0.9