Orthopelmatinae

Genus Guides

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Orthopelmatinae is a monogeneric of Ichneumonidae containing only the Orthopelma. Members are Holarctic idiobiont endoparasitoids specialized on cynipid gall wasps, primarily Diplolepis on roses. The subfamily exhibits the rare -larval strategy, with females ovipositing directly into eggs.

Orthopelmatinae by (c) Tyler Bishop, some rights reserved (CC BY), uploaded by Tyler Bishop. Used under a CC-BY license.

Pronunciation

How to pronounce Orthopelmatinae: /ɔɹθoʊˌpɛlməˈtaɪni/

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Habitat

Associated with cynipid galls on Rosaceae, particularly rose galls induced by Diplolepis . Larval development occurs within galls.

Distribution

Holarctic distribution. Documented from northern Germany (Schleswig-Holstein), China, and broader East Asia.

Host Associations

Life Cycle

-larval : females oviposit into eggs. Larval stage overwinters within host galls. Development completes inside the gall structure.

Behavior

-searching has been observed in . Host-feeding by adults has been documented.

Ecological Role

Idiobiont endoparasitoid of cynipid gall wasps. Regulates of gall-forming insects on Rosaceae.

Similar Taxa

  • CtenopelmatinaeBoth are of Ichneumonidae with lifestyles; Trematopygus vellicarius (Ctenopelmatinae) shares the rare -oviposition strategy with Orthopelma
  • other Ichneumonidae subfamiliesOrthopelmatinae is distinguished by its monogeneric status, specialized association with cynipid galls on Rosaceae, and documented -larval strategy

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