''Stigmella grewiae'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

of the family Nepticulidae. It was described by Scoble in 1978. It is found in

South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...

(it was described from Balgowan in Natal).Nepticulidae and Opostegidae of the world
/ref> The larvae feed on ''

Grewia occidentalis ''Grewia occidentalis'', the crossberry, is a small, hardy, attractive tree indigenous to Southern Africa. Description A small, scrambling, deciduous tree reaching a height of about 3 m, its purple, star-shaped flowers appear in summer, ...

''. They probably

mine Mine, mines, miners or mining may refer to: Extraction or digging * Miner, a person engaged in mining or digging *Mining, extraction of mineral resources from the ground through a mine Grammar *Mine, a first-person English possessive pronoun ...

the leaves of their host plant.

References

Endemic moths of South Africa Nepticulidae Moths of Africa Moths described in 1978 {{Stigmella-stub