Key to the species of the Afrotropical Neolithocolletis based on external characters

1. Forewing without white markings (Fig. 23).........................................................03. nsengai

– Forewing with white markings........................................................................... 2

2. Ground colour of forewing golden with indistinct white fasciae, without a distinct margin (Fig. 22)........... 02. mayumbe

– Ground colour of forewing reddish ochreous brown with distinct white fasciae, with rather wide blackish irregular edging basally (Fig. 24)........................................................................... 04. pentadesma

Key to the species of the Afrotropical Neolithocolletis based on male genitalia

1. Valva ca. 4× long than broad with more or less rounded apex; aedoeagus sinuate, nearly rectangularly bent at apical fifth; sternum VIII small, a little longer than vinculum................................................................ 2

– Valva elongate, slender, narrow, more than 6× long than broad, both margins running almost parallel to each other, slightly puffed caudally, with two large barbs at cucullus; aedoeagus straight; sternum VIII spatulate, long, significantly longer than vinculum (Figs 144–146)..................................................................... 02. mayumbe

2. Costal margin of valva shallowly concave in apical third, apex round with a blunt angle at costal side; sternum VIII small subpentagonal (Fig. 149)...................................................................... 04. pentadesma

– Valva elongate, rather broad, with dilating cucullus, costal and ventral margins of valva gently distancing from each other and united in rounded apex; sternum VIII very small, semi-rounded, slightly longer than broad (Fig. 147)...........03. nsengai

Key to the species of the Afrotropical Neolithocolletis based on female genitalia*

1. Segment VII strongly sclerotized on cephalic margin; sterigmatic sclerotizations on sternum VII absent; corpus bursae sparsely covered with acute spinules on inner surface except at caudal and cephalic ends (Figs 293, 294)........... 04. pentadesma

– Segment VII not sclerotized on cephalic margin, arc-shaped strongly sclerotized seam extends along entire sternum VII, acute spinules on inner surface of corpus bursae absent, caudal part of corpus bursae ringed with narrow sclerotized curled line (Fig. 292)........................................................................................03. nsengai

* female genitalia of N. mayumbe unknown.