Seticornuta

Morley, 1913

Species Guides

Seticornuta terminalis

Seticornuta is a small of in the Metopiinae (Ichneumonidae). The genus contains approximately seven described distributed across the Americas and Asia. Members are solitary larval or pupal koinobiont endoparasitoids of Lepidoptera. Recent descriptions include S. jacutinga from Brazil and S. koreana from South Korea, expanding the known range of this previously poorly documented genus.

Pronunciation

How to pronounce Seticornuta: //ˌsɛtɪˈkɔrnʊtə//

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Identification

within Seticornuta are distinguished by antennal coloration and other subtle morphological features. For example, S. koreana has entirely black , whereas the closely related S. albopilosa has partially reddish-brown antennae. Detailed morphological examination is required for species-level identification.

Habitat

Forest and cerrado (Brazilian savanna) areas; dry forest fragments near agricultural land; wet riparian forest. Known collection sites range from 1000–1500 m elevation in the hydrographic basin of Rio Mogi Guaçu, Brazil. South Korean records indicate broader .

Distribution

Brazil (Minas Gerais, São Paulo), Chile, Rica, USA, India, and South Korea. The was first recorded from Brazil in 2012 and from South Korea in 2026.

Life Cycle

Solitary larval or pupal koinobiont endoparasitoid of Lepidoptera. The of S. jacutinga is unknown; the host of S. koreana has not been determined.

Ecological Role

of Lepidoptera; contributes to regulation of and in terrestrial .

Similar Taxa

S. albopilosaClosely related to S. koreana; distinguished by partially reddish-brown versus entirely black

More Details

Taxonomic history

The was established by Morley in 1913. It remained poorly known until recent descriptions of new from Brazil and South Korea.

Research significance

The 2012 Brazilian record represented the first documentation of this in South America, indicating previously unrecognized diversity in Neotropical Metopiinae.