Orasema costaricensis

Wheeler & Wheeler, 1937

Orasema costaricensis is a of parasitic wasp in the Eucharitidae, first described by Wheeler & Wheeler in 1937. Like other members of the Orasema, it is likely a of larvae, though specific associations for this species remain poorly documented. The species name indicates its Rican origin. Records from the Galápagos Islands suggest some capacity or potential human-mediated introduction.

Orasema costaricensis by (c) Federico Figueroa Cabezas, some rights reserved (CC BY), uploaded by Federico Figueroa Cabezas. Used under a CC-BY license.

Pronunciation

How to pronounce Orasema costaricensis: /ɔˈrasɛma kɔstaˌrikɛnˈsɪs/

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Distribution

Rica (type locality); Galápagos Islands (confirmed present). Distribution records are sparse and the may occur more broadly in Neotropical regions.

Host Associations

Ecological Role

As a member of Eucharitidae, this likely functions as a of colonies, potentially influencing ant in its native range.

Similar Taxa

  • Other Orasema speciesCongeneric share similar and ; identification requires examination of minute morphological characters such as antennal segmentation and wing venation
  • Other Eucharitidae genera (e.g., Kapala, Pseudochalcura)-level characters include reduced wing venation and specialized larval adaptations for colony entry; -level distinctions rely on antennal structure and body proportions

More Details

Taxonomic note

The was described by George C. Wheeler and Jeanette Wheeler in 1937, with the type locality in Rica. The Orasema contains approximately 50 described species, primarily distributed in the Neotropics.

Research needs

Basic including , larval development, and remain undocumented for this species. The Galápagos record warrants investigation to determine if it represents a native or human-mediated introduction.

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Sources and further reading