Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Datasheet

Megastigmus milleri
(fir seed chalcid)

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Datasheet

Megastigmus milleri (fir seed chalcid)

Summary

  • Last modified
  • 22 November 2019
  • Datasheet Type(s)
  • Pest
  • Preferred Scientific Name
  • Megastigmus milleri
  • Preferred Common Name
  • fir seed chalcid
  • Taxonomic Tree
  • Domain: Eukaryota
  •   Kingdom: Metazoa
  •     Phylum: Arthropoda
  •       Subphylum: Uniramia
  •         Class: Insecta

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Pictures

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PictureTitleCaptionCopyright
Adult female of M. milleri, lateral view.
TitleAdult
CaptionAdult female of M. milleri, lateral view.
CopyrightAlain Roques
Adult female of M. milleri, lateral view.
AdultAdult female of M. milleri, lateral view.Alain Roques
Adult male of M. milleri, lateral view.
TitleAdult
CaptionAdult male of M. milleri, lateral view.
CopyrightAlain Roques
Adult male of M. milleri, lateral view.
AdultAdult male of M. milleri, lateral view.Alain Roques

Identity

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Preferred Scientific Name

  • Megastigmus milleri Milliron

Preferred Common Name

  • 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 milleri

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

Europe

DenmarkPresent, WidespreadIntroducedInvasiveOchsner and Jensen (1998); Jensen and Ochsner (1999)
FrancePresent, WidespreadIntroducedInvasiveRoques and Skrzypczyńska (2003); CABI (Undated)
NetherlandsPresentRoques and Skrzypczyńska (2003)
United KingdomPresent, LocalizedIntroducedHussey (1952); Hussey and Klingler (1954); CABI (Undated);

North America

CanadaPresentCABI (Undated a)Present based on regional distribution.
-British ColumbiaPresent, WidespreadNativeKeen (1958); Hedlin et al. (1980)
United StatesPresentCABI (Undated a)Present based on regional distribution.
-AlaskaPresent, LocalizedNativeHedlin et al. (1980)
-CaliforniaPresent, WidespreadNativeKeen (1958); Hedlin et al. (1980); CABI (Undated)
-IdahoPresent, LocalizedNativeHedlin et al. (1980)
-MontanaPresent, LocalizedNativeHedlin et al. (1980)
-OregonPresent, LocalizedNativeHedlin et al. (1980)
-UtahPresent, LocalizedNativeHedlin et al. (1980)
-WashingtonPresent, LocalizedNativeHedlin et al. (1980)

Habitat List

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CategorySub-CategoryHabitatPresenceStatus
Terrestrial

References

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Da Ros N; Ostermeyer R; Roques A; Raimbault JP, 1993. Insect damage to cones of exotic conifer species introduced in arboreta, I. Interspecific variations within the genus Picea. Journal of Applied Entomology, 115:113-133.

Hedlin AF; Yates HOIII; Cibrian-Tovar D; Ebel BH; Koerber TW; Merkel EP; eds, 1980. Cone and seed insects of North American conifers. Ottawa, Canada: Environment Canada/Canadian Forestry Service, Washington DC, USA: US Forest Service, Mexico, Mexico: Secretaria de Agricultura y Recursos Hidraulicos.

Hussey NW, 1952. New records of Megastigmus (Hymenoptera Chalcididae) in Scotland with a note on the first recorded parasites of Megastigmus spermotrophus Wachtl. Scottish Forestry, 6:53-55.

Hussey NW, 1954. Megastigmus flies attacking conifer seeds. Forestry Commission Leaflet, 8:1-10.

Hussey NW, 1954. Revised descriptions of three Megastigmus species (Hym. Torymidae) associated with seeds of silver fir. The Entomologist's Monthly Magazine, 90:223-225.

Hussey NW; Klingler J, 1954. Variation in Megastigmus pinus Parf. (Hym, Chalcid., Torymidae). The Entomologist's Monthly Magazine, 90:198-201.

Jensen TS; Ochsner P, 1999. Indigenous and introduced seed chalcids in Denmark - with a revised key to the Danish species (Hymenoptera: Torymidae). Entomologiske Meddelelser, 67(2):47-56; 17 ref.

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

Ochsner P; Jensen TS, 1998. Diversity and phenology of Megastigmus spp. colonizing seeds of Abies spp. in Denmark. In: Battisti A, Turgeon JJ, eds. Proceedings of the 5th International Conference of the Cone and Seed Working Party (IUFRO S7.03 -01). Padova, Italy: Institute of Agricultural Entomology, 117-122.

Roques A; Skrzypczynska M, 2003. Seed-infesting chalcids of the genus Megastigmus Dalman, 1820 (Hymenoptera: Torymidae) native and introduced to the West Palearctic region: taxonomy, host specificity and distribution. Journal of Natural History, 37(2):127-238; many ref.

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

Hedlin A F, Yates H O III, Tovar D C, Ebel B H, Koerber T W, Merkel E P, 1980. Cone and seed insects of North American conifers. vi + 122 pp.

Hussey N W, 1952. New records of Megastigmus (Hymenoptera, Chalsididae) in Scotland, with a note on the first recorded parasites of Megastigmus spermotrophus Wachtl. Scottish Forestry. 6 (2), 53-5.

Hussey N W, Klingler J, 1954. Variation in Megastigmus pinus Parf. (Hym, Chalcid., Torymidae). Entomologist's Monthly Magazine. 198-201.

Jensen T S, Ochsner P, 1999. Indigenous and introduced seed chalcids in Denmark - with a revised key to the Danish species (Hymenoptera: Torymidae). Entomologiske Meddelelser. 67 (2), 47-56.

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

Ochsner P, Jensen TS, 1998. Diversity and phenology of Megastigmus spp. colonizing seeds of Abies spp. in Denmark. [Proceedings of the 5th International Conference of the Cone and Seed Working Party (IUFRO S7.03 -01)], [ed. by Battisti A, Turgeon JJ]. Padova, Italy: Institute of Agricultural Entomology. 117-122.

Roques A, Skrzypczyńska M, 2003. Seed-infesting chalcids of the genus Megastigmus Dalman, 1820 (Hymenoptera: Torymidae) native and introduced to the West Palearctic region: taxonomy, host specificity and distribution. Journal of Natural History. 37 (2), 127-238. DOI:10.1080/713834669

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