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No, Marion, the characters you mentioned work for males, but not for females.
See M. Ackland's key below:

HYLEMYA
Males
1 The two rows of acrostichal setae rather widely separated, between them, at least in front of suture, two rows of fine setulae. T3 with a pv preapical as well as an av preapical seta (S.g. Hylemyza) partita Mg.
Acrostichal setal rows close together, between them no fine setulae. T3 without a pv apical 2
2 Legs not completely black, at least tibia (especially mid and hind tibia) clear yellow or orange 3
Legs completely black or at most t3 obscurely and partly transparent brownish orange when viewed in certain directions 4
3 All femora black at least in basal two-thirds, only tibiae yellow or orange vagans Pz.
Only fore femora black, mid and hind femora yellow or orange as are tibiae nigrimana Mg.
4 Surstylus long and slender, apices slender and curved backwards. T3 entirely black variata Fall.
Surstylus short, widened at apices, curved forwards. T3 often obscurely orange-brown. urbica Wulp

HYLEMYA
Females
1 The two rows of acrostichals rather widely separated, between them at least in front of suture two rows of fine setulae partita Mg.
– Acrostichal rows close together, between them no fine setulae 2
2 All femora black, at most knees lightened variata Schnabl, urbica Wulp
– At least mid and hind femora yellow vagans Pz. nigrimana Mg.