Muiralevu, Zelazny. The, 1981

Zelazny, B. & Webb, M. D., 2011, 3071, Zootaxa 3071, pp. 1-307 : 55

Key to the species groups of Muiralevu

1. Forewings with base of Ms1b forming part of basal median cell (e.g. Fig. 123c), colourless with only small mark at base of first subcostal sector......................................................... Muiralevu africanus group, p. 55

- Forewings with Ms1 branching at or distad of basal median cell, Ms1b not part of this cell (e.g. Fig. 184f); if base of Ms1b part of basal median cell then forewings with prominent dark marks................................................. 2

2. Forewings with a series of prominent black marks along the apical crossveins between Ms1b and Ms3 (e.g. Fig. 190f).......................................................................... Muiralevu quadramaculatus group, p. 61

- Forewings without a series of black marks along these crossveins............................................... 3

3. Forewings with a dark mark around M-Ms4 fork (e.g. Fig. 184f), often a similar mark around apical fork of R....................................................................................... Muiralevu dimidius group, p. 59

- Forewings without a dark mark around M-Ms4 fork....................................... ungrouped species, p. 63