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In most cases the only way to safely distinguish hoignei- and macmasteri-subcomplex females is by means of the black markings on throat, chin and chest when they are in spawning/brooding mood. Most hoignei-subcomplex females show black markings on throat and chin whereas most...
See here: https://www.tomc.no/page.aspx?PageID=116#A.-macmasteri-Subcomplex
Howver, depending on how small your fish are, it might be impossible to tell yet.
Yes the caudal spot in A. wolli males is supposed to be round(ish) (but of course, caudal spots can be quite variable). Apart from this, A. wolli usually show two rows of abdominal spots, often along the whole body, whereas Ladislao show some streaks/spots which are mostly restricted to the...