Key to the Afrotropical Nemophora species

1 Distal third of forewing with a large distinct spot formed by both dark brown and yellow scales........................ 2

- Distal third of forewing without a distinct spot............................................................. 4

2 Larger: FWL 9−11 mm .......................................................... N. thermochalca (Meyrick)

- Smaller: FWL 5−8 mm ................................................................................. 3

3 Fascia reaches dorsal margin of forewing; spot in the distal third of forewing is linked with the medial fascia; PLB dorsally covered with appressed white scales................................................. N. porphyraspis (Meyrick)

- Fascia does not reach dorsal wing margin; spot in the distal third of forewing is isolated from other parts of forewing pattern; PLB dorsally not covered with appressed white scales........................................ N. parvella (Walker)

4 Forewing with white or yellow fields or spots.............................................................. 5

- Forewing without white or yellow fields or spots............................................................ 6

5 Forewing base yellow, with large black spot at costa; fascia absent......................... N. chlorocosma (Meyrick)

- Forewing base bronze, sometimes with minor brown spot at the base of R vein; fascia dark brown, with white to creamy stripe at costa................................................................................. N. acaciae sp. n.

6 Forewing base with large (0.15−0.20× FWL) glossy golden spot along costal margin............. N. lamprodes (Meyrick)

- Forewing base without a distinct spot or with small black spot................................................. 7

7 Smaller: FWL 3.6−3.9 mm; thorax (dorsum) ochreous to yellow; forewing with distinct pattern of narrow longitudinal dark brown lines; forewing base without distinct spots........................................ N. humilis (Walsingham)

- Larger: FWL 5−6 mm; thorax (dorsum) bronze; forewing without narrow longitudinal dark brown lines; forewing base with distinct black spot at the base of R vein.................................................. N. gymnota (Meyrick)