Nepticulidae is a family of very small moths with a worldwide distribution. They are characterised by eyecaps over the eyes. These pigmy moths or midget moths, as they are commonly known, include the smallest of all living moths, with a wingspan that can be as little as 3 mm in the case of the European pigmy sorrel moth, but more usually 3.5–10 mm. The wings of adult moths are narrow and lanceolate, sometimes with metallic markings, and with the venation very simplified compared to most other moths.
Pseudopostega triangularis is a moth of the family Opostegidae. It known only from the type locality, in the north-central forests of Argentina.
Pseudopostega protomochla is a moth of the family Opostegidae. It was described by Edward Meyrick in 1935. It is known from north-central Argentina and the state of Minas Gerais in southern Brazil.
Pseudopostega venticola is a moth of the family Opostegidae. It was described by Walsingham, Lord Thomas de Grey, in 1897. It is known from much of the Neotropical Region from southern Florida and Texas, through much of the West Indies and Central America to southern Brazil.
Pseudopostega acrodicra is a moth of the family Opostegidae. It was described by Donald R. Davis and Jonas R. Stonis, 2007. It is known from south-central Brazil.
Pseudopostega acuminata is a moth of the family Opostegidae. It was described by Donald R. Davis and Jonas R. Stonis, 2007. It is known from northern Argentina and north-western Venezuela.
Pseudopostega beckeri is a moth of the family Opostegidae. It was described by Donald R. Davis and Jonas R. Stonis, 2007. It is known from the states of Goias, Minas Gerais and Parana in south-central Brazil.
Pseudopostega bidorsalis is a moth of the family Opostegidae. It was described by Donald R. Davis and Jonas R. Stonis, 2007. It is known from northern Costa Rica.
Pseudopostega breviapicula is a moth of the family Opostegidae. It was described by Donald R. Davis and Jonas R. Stonis, 2007. It has a wide range in the Neotropical Region from Panama south to north-eastern and south-eastern Brazil and north-central Argentina.
Pseudopostega brevivalva is a moth of the family Opostegidae. It was described by Donald R. Davis and Jonas R. Stonis, 2007. It is known from Costa Rica.
Pseudopostega clavata is a moth of the family Opostegidae. It was described by Donald R. Davis and Jonas R. Stonis, 2007. It is known from south-eastern Puerto Rico.
Pseudopostega crassifurcata is a moth of the family Opostegidae. It was described by Donald R. Davis and Jonas R. Stonis, 2007. It is known from the Sierra Maestra of south-eastern Cuba.
Pseudopostega divaricata is a moth of the family Opostegidae. It was described by Donald R. Davis and Jonas R. Stonis, 2007. It is known from northern Argentina.
Pseudopostega ecuadoriana is a moth of the family Opostegidae. It was described by Donald R. Davis and Jonas R. Stonis, 2007. It is known from an Amazonian premontane rainforest in east-central Ecuador.
Pseudopostega plicatella is a moth of the family Opostegidae. It was described by Donald R. Davis and Jonas R. Stonis, 2007. It is known from Pará in north-eastern Brazil and east-central Ecuador.
Pseudopostega suffuscula is a moth of the family Opostegidae. It was described by Donald R. Davis and Jonas R. Stonis, 2007. It is known from the provinces of Salta and Tucumán in northern Argentina.
Pseudopostega tenuifurcata is a moth of the family Opostegidae. It was described by Donald R. Davis and Jonas R. Stonis, 2007. It is known from a lowland rainforest area in north-eastern Costa Rica
Pseudopostega turquinoensis is a moth of the family Opostegidae. It was described by Donald R. Davis and Jonas R. Stonis, 2007. It is known from south-eastern Cuba.
Pseudopostega mexicana is a moth of the family Opostegidae. It was described by Andrius Remeikis and Jonas R. Stonis in 2009. It is known from the Pacific Coast of Mexico.
Pseudopostega robusta is a moth of the family Opostegidae. It was described by Andrius Remeikis and Jonas R. Stonis in 2009. It is known from the Pacific Coast of Costa Rica.
