Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Datasheet

Megastigmus spermotrophus var. nigrodorsatus
(bigcone douglas-fir seed chalcid)

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Datasheet

Megastigmus spermotrophus var. nigrodorsatus (bigcone douglas-fir seed chalcid)

Summary

  • Last modified
  • 24 November 2019
  • Datasheet Type(s)
  • Pest
  • Preferred Scientific Name
  • Megastigmus spermotrophus var. nigrodorsatus
  • Preferred Common Name
  • bigcone douglas-fir seed chalcid
  • Taxonomic Tree
  • Domain: Eukaryota
  •   Kingdom: Metazoa
  •     Phylum: Arthropoda
  •       Subphylum: Uniramia
  •         Class: Insecta
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    Compendia
    CAB International
    Wallingford
    Oxfordshire
    OX10 8DE
    UK
    compend@cabi.org
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Identity

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Preferred Scientific Name

  • Megastigmus spermotrophus var. nigrodorsatus Milliron

Preferred Common Name

  • bigcone douglas-fir seed chalcid

Taxonomic Tree

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  • Domain: Eukaryota
  •     Kingdom: Metazoa
  •         Phylum: Arthropoda
  •             Subphylum: Uniramia
  •                 Class: Insecta
  •                     Order: Hymenoptera
  •                         Family: Torymidae
  •                             Genus: Megastigmus
  •                                 Species: Megastigmus spermotrophus var. nigrodorsatus

Distribution Table

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The distribution in this summary table is based on all the information available. When several references are cited, they may give conflicting information on the status. Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report.

Last updated: 10 Jan 2020
Continent/Country/Region Distribution Last Reported Origin First Reported Invasive Reference Notes

North America

United StatesPresentPresent based on regional distribution.
-CaliforniaPresent, LocalizedNative

References

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Keen FP, 1958. Cone and seed insects of western forest trees. USDA Technical Bulletin, 1169.

Milliron HE, 1949. Taxonomic and biological investigations in genus Megastigmus, with particular references to the taxonomy of Nearctic species (Hymenoptera, Chalcidoidea, Callimomidae). American Naturalist, 41:257-420.

Distribution References

CABI, Undated. Compendium record. Wallingford, UK: CABI

CABI, Undated a. CABI Compendium: Status inferred from regional distribution. Wallingford, UK: CABI

CABI, Undated b. CABI Compendium: Status as determined by CABI editor. Wallingford, UK: CABI

Keen FP, 1958. Cone and seed insects of western forest trees. In: USDA Technical Bulletin, 1169.

Milliron H E, 1949. Taxonomic and biological investigations in genus Megastigmus, with particular references to the taxonomy of Nearctic species (Hymenoptera, Chalcidoidea, Callimomidae). American Naturalist. 257-420.

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