Dinotrema

Förster, 1862

Dinotrema is a large of braconid wasps comprising approximately 350 described worldwide. Members are among the largest in the tribe Alysiini. The genus is characterized by distinctive morphological features of the and wing venation that separate it from related genera. Species are koinobiont endoparasitoids, primarily attacking larval Diptera.

Dinotrema by no rights reserved, uploaded by Adam Kranz. Used under a CC0 license.

Pronunciation

How to pronounce Dinotrema: //dɪˈnɒtrɛmə//

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Identification

Tridentate, small . Paraclypeal fovea short, not reaching edge of . cuqu1 (2-SR) present and sclerotized; nervulus (cu-a) postfurcal. Distinguished from Aspilota by short paraclypeal fovea far separated from inner margin of eye. Distinguished from Synaldis and Adelphenaldis by presence of vein cuqu1 (2-SR) combined with short paraclypeal fovea.

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Distribution

across major biogeographic regions: Afrotropical, Australasian, Nearctic, Neotropical, Oceanic, Oriental, and Palaearctic (including Western Europe and Scandinavia). Documented from Finland (91 ), Chile (subgenus Synaldis), and Brazil.

Host Associations

  • Diptera: Anthomyiidae - larval
  • Diptera: Phoridae - larval
  • Diptera: Platypezidae - larval
  • Diptera: Drosophilidae - possible , subgenus Synaldis

Behavior

Koinobiont endoparasitoid. Members of subgenus Synaldis have been reared from agaric mushrooms.

Ecological Role

of cyclorrhaphous Diptera larvae. Contributes to of dipteran in various .

Human Relevance

parasitize larvae of Diptera containing agricultural and nuisance pests, including Anthomyiidae (), Phoridae, and Platypezidae.

Similar Taxa

  • AspilotaDistinguished by paraclypeal fovea length and position relative to margin
  • SynaldisDistinguished by presence of cuqu1 (2-SR)
  • AdelphenaldisDistinguished by combination of short paraclypeal fovea and presence of cuqu1 (2-SR)

Sources and further reading