''Agrionympha sagittella'' is a species of

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 ...

belonging to the family

Micropterigidae Micropterigoidea is the superfamily of "mandibulate archaic moths", all placed in the single family Micropterigidae, containing currently about twenty living genera. They are considered the most primitive extant lineage of lepidoptera (Kristense ...

. It was described by George W. Gibbs and Niels P. Kristensen in 2011. 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 ...

, where it is known from the Hogsback and Ngadu Forests in the Eastern Cape. It has been recorded amongst ferns, grasses and shrubs on damp sunny banks where liverworts are visible and along sunny roadsides or tracks at altitudes between 940 and 1,300 meters. The length of the forewings is 3.2–3.5 mm for males and 3.6–3.8 mm for females.Agrionympha, the long-known South African jaw moths: a revision with descriptions of new species (Lepidoptera, Micropterigidae)
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Etymology

The specific name is derived from ''sagitta'' (meaning arrow), referring to the arrow-shaped or T-configuration of the confluent forewing median and claval bands is unique to this species.

References

Endemic moths of South Africa Micropterigidae Moths described in 2011 Moths of Africa {{Micropterigidae-stub