Teleasinae

Teleasinae is a of minute in the . Members are exclusively parasitoids of (), making them unique among Scelionidae in this specialization. The subfamily contains approximately 14 and over 480 described worldwide, with Trimorus alone comprising 389 species. Taxonomic placement has shifted historically, having been treated previously as a subfamily of before molecular analyses reclassified Scelionidae as a subfamily within Platygastridae.

Trimorus by (c) Zachary Dankowicz, some rights reserved (CC BY), uploaded by Zachary Dankowicz. Used under a CC-BY license.Teleasinae by (c) Alan Manson, some rights reserved (CC BY), uploaded by Alan Manson. Used under a CC-BY license.Teleasinae by (c) Alan Manson, some rights reserved (CC BY), uploaded by Alan Manson. Used under a CC-BY license.

Pronunciation

How to pronounce Teleasinae: /tɛˈliːəˌsaɪniː/

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Identification

in is pronounced: males possess extremely long, uniformly slender antennae while females have short, distinctly clubbed antennae. is common, with individuals ranging from fully winged to completely wingless (), including intermediate forms with reduced, non-functional wing flaps. Body size is minute, rarely exceeding 2 mm and often under 1 mm.

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Habitat

Soil and ground surface environments where occur. Found in both natural and agricultural .

Distribution

Worldwide distribution with described from North America, South America, and other regions.

Host Associations

  • Carabidae - exclusive ; female lay inside eggs

Life Cycle

: females oviposit directly into eggs, with developing internally and consuming the egg contents.

Behavior

Females are ground-active and frequently captured in , suggesting they search for at or below the soil surface rather than flying. correlates with this ground-dwelling habit, with reduced-winged forms common.

Ecological Role

Plays a crucial role in regulating in natural and agricultural . As specialized , they influence dynamics and may affect services provided by .

Human Relevance

Potential importance in agricultural pest management through regulation of , though direct applications remain unexplored. Presence in indicates they are commonly encountered in surveys and ecological .

Similar Taxa

  • ScelioninaeAlso in but attack different groups (primarily , , and eggs rather than ); structure and host associations differ.
  • PlatygastrinaeFormerly placed in the same ; distinguished by associations with () rather than , and different antennal .

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Sources and further reading