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Systasidae

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Systasidae
Systasis sp.
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Clade: Pancrustacea
Class: Insecta
Order: Hymenoptera
Superfamily: Chalcidoidea
Family: Systasidae

Systasidae is a family of chalcidoid wasps found worldwide.[1] Members of the family are parasitoid, mostly parasitizing the gall-forming flies Agromyzidae and Cecidomyiidae, however hosts from other orders such as Coleoptera and Lepidoptera have been recorded.[1]

Description

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Small (body length 0.6–3.0 mm) dark, bronze or metallic green wasps. They have a very unusual mesofurcal pit placement, which is placed between mesocoxal insertions.[1][2]

Taxonomy

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The genera currently included in the family were originally placed under Pteromalidae. In 2022, the family was described based on an analysis of a combination of molecular, morphological, and life history data.[2] Systasidae contains the following subfamilies and genera with a total of 81 species:[2]

References

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  1. ^ a b c Mitroiu, Mircea-Dan; Burks, Roger A.; Rasplus, Jean-Yves (2025-03-25), "Systasidae", Chalcidoidea of the World, CABI Books, pp. 611–614, doi:10.1079/9781800623545.0056, ISBN 978-1-80062-352-1, retrieved 2026-02-24
  2. ^ a b c Burks, Roger A.; Mitroiu, Mircea; Fusu, Lucian; et al. (2022). "From hell's heart I stab at thee! A determined approach towards a monophyletic Pteromalidae and reclassification of Chalcidoidea (Hymenoptera)". Journal of Hymenoptera Research. 94: 13–88. doi:10.3897/jhr.94.94263. Wikidata Q115923766.