Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Datasheet

Megastigmus wachtli
(cypress seed chalcid)

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Datasheet

Megastigmus wachtli (cypress seed chalcid)

Summary

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

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Pictures

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PictureTitleCaptionCopyright
Lateral view of M. wachtli adult female.
TitleAdult female
CaptionLateral view of M. wachtli adult female.
CopyrightAlain Roques
Lateral view of M. wachtli adult female.
Adult femaleLateral view of M. wachtli adult female.Alain Roques

Identity

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Preferred Scientific Name

  • Megastigmus wachtli Seitner

Preferred Common Name

  • cypress seed chalcid

Local Common Names

  • Germany: Samenwespe, Zypressen-

EPPO code

  • MEGSWA (Megastigmus wachtli)

Taxonomic Tree

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  • Domain: Eukaryota
  •     Kingdom: Metazoa
  •         Phylum: Arthropoda
  •             Subphylum: Uniramia
  •                 Class: Insecta
  •                     Order: Hymenoptera
  •                         Family: Torymidae
  •                             Genus: Megastigmus
  •                                 Species: Megastigmus wachtli

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

Africa

AlgeriaPresent, WidespreadIntroducedInvasive
MoroccoPresent, WidespreadIntroducedInvasive
TunisiaPresent, WidespreadIntroducedInvasive

Asia

TurkeyPresent, WidespreadNative

Europe

AlbaniaPresent, WidespreadIntroducedInvasive
CyprusPresentIntroducedInvasive
Federal Republic of YugoslaviaPresent, WidespreadIntroducedInvasive
FrancePresent, WidespreadIntroducedInvasive
-CorsicaPresent, WidespreadIntroducedInvasive
GreecePresent, WidespreadNative
ItalyPresent, WidespreadIntroducedInvasive
MaltaPresent, WidespreadIntroducedInvasiveOriginal citation: Rocques et al., 1999
PortugalPresent, WidespreadIntroducedInvasive

Habitat List

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CategorySub-CategoryHabitatPresenceStatus
Terrestrial

References

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¦anaktiogln H, 1959. Studies on insects which are injurious to the Turkish forest tree seeds and control of some of important species. Orman Faknltesi Istanbul Universitesi Dergisi, Seri A, 9:155-167.

¦anaktiogln H, 1993. Orman entomolojisi. Istanbul: I._. Basimevi ve Film Merkezi.

¦anaktioglu H, 1969. Insect damage on cones and seeds of forest trees in Turkey. Revue de la Facultesi des Sciences ForestiFres de l'Universitesi d'Instambul. Serie A, 19(2):83-89.

Battisti A; Cantini R; Feci E; Frigimelica G; Guido M; Roques A, 2000. Detection and evaluation of seed damage of cypress, Cupressus sempervirens L., in Italy. Seed Science and Technology, 28(3):731-740; 21 ref.

Battisti A; Roques A; Colombari F; Frigimelica G; Guido M, 1999. Multiple insect-fungus association in the cypress seed cone. Naturwissenschaften, 86:479-483.

Ben Jamaa ML; Roques A, 1999. Survey of impact on seed cones of two species of Cupressaceae, Cupressus sempervirens L. and Tetraclinis articulata Mast. in Tunisia. Arab Journal of Plant Protection, 17:112-107.

Bouaziz K; Chakali C, 1998. Diversity and impact of cone and seed insects in Algeria. 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, 193-207.

Boucek Z, 1977. A faunistic review of the Yugoslavian Chalcidoidea (parasitic Hymenoptera). Acta Entomologica Jugoslavica, 13(suppl.):145 pp.

Covassi M; Binazzi A, 1979. Gli insetti del Cipresso piu communi e dannosi in Itali e cenni di lotta. In: Grasso V, Raddi P, eds. Il cipresso: malattie e difesa. Firenze, Italy: CEE Agrimed, 203-216.

El Alaoui El Fels MY, 1998. Entomofauna of conifer seed cones in the western High Atlas, Morocco. 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, 21-26.

Escherich K, 1938. Die phytophagen Megastigmus -Arten (Chalcididae) als Zerst÷rer von Nadelholzsamen. Zeitschrift fnr angewandte Entomologie, 25:363-380.

Guido M; Battisti A; Roques A, 1995. A contribution to the study of cone and seed pests of the evergreen cypress (Cupressus sempervirens L.) in Italy. Redia, 78(2):211-227; 17 ref.

Guido M; Battisti A; Roques A, 1998. Mortality factors affecting cones and seeds of Cupressus sempervirens prior to seed dispersal. 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, 209-214.

Masi L, 1944. Nuovi reperti di Chalcidi nella Liguria (Hymen. paras.). Memorie Societa Entomologica Italiana, 23:82-84.

Roques A; Markalas S; Roux G, 1998. Impact of insects damaging seed cones in natural and naturalized stands of Cupressus sempervirens in Greece. 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, 175-191.

Roques A; Markalas S; Roux G; Pan YongZhi; Sun JiangHua; Raimbault JP, 1999. Impact of insects damaging seed cones of cypress, Cupressus sempervirens, in natural stands and plantations of southeastern Europe. Annals of Forest Science, 56(2):167-177; 17 ref.

Roques A; Raimbault JP, 1986. Biological cycle and distribution of Megastigmus wachtli (Seitn.) (Hymenoptera, Torymidae), a chalcidian pest of cypress seeds in the Mediterranean Basin. Journal of Applied Entomology, 101(4):370-381

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.

Schimistchek E; ed, 1944. Die Forstinsekten der Tnrkei. Prag: Volk und Reich.

Seitner M, 1916. _ber Nadelholzsamen zerst÷rende Chalcididen. Centralblatt fnr Forstwesen, 42:307-324.

Distribution References

Ãanakþioglü H, 1959. Studies on insects which are injurious to the Turkish forest tree seeds and control of some of important species., 9 155-167.

Ãanakþioglü H, 1969. Insect damage on cones and seeds of forest trees in Turkey., 19 (2) 83-89.

Ãanakþioglü H, 1993. Orman entomolojisi. Istanbul: I. In: Basimevi ve Film Merkezi,

Battisti A, Roques A, Colombari F, Frigimelica G, Guido M, 1999. Multiple insect-fungus association in the cypress seed cone. In: Naturwissenschaften, 86 479-483.

Bouaziz K, Chakali C, 1998. Diversity and impact of cone and seed insects in Algeria. [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. 193-207.

Boucek Z, 1977. A faunistic review of the Yugoslavian Chalcidoidea (parasitic Hymenoptera). In: Acta Entomologica Jugoslavica, 13 (suppl.) 145 pp.

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

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

Covassi M, Binazzi A, 1979. (Gli insetti del Cipresso piu communi e dannosi in Itali e cenni di lotta). In: Il cipresso: malattie e difesa, [ed. by Grasso V, Raddi P]. Firenze, Italy: CEE Agrimed. 203-216.

Escherich K, 1938. The phytophagous Species of Megastigmus as Destroyers of the Seeds of Conifers. (Die phytophagen Megastigmus-Arten (Chalcididae) als Zerstörer von Nadelholzsamen.). Zeitschrift fur Angewandte Entomologie. 25 (pt. 3), 363-380 pp.

Guido M, Battisti A, Roques A, 1995. A contribution to the study of cone and seed pests of the evergreen cypress (Cupressus sempervirens L.) in Italy. Redia. 78 (2), 211-227.

Guido M, Battisti A, Roques A, 1998. Mortality factors affecting cones and seeds of Cupressus sempervirens prior to seed dispersal. [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. 209-214.

Masi L, 1944. [English title not available]. (Nuovi reperti di Chalcidi nella Liguria (Hymen. paras.).). Memorie Societa Entomologica Italiana. 82-84.

Roques A, Markalas S, Roux G, Pan YongZhi, Sun JiangHua, Raimbault J P, 1999. Impact of insects damaging seed cones of cypress, Cupressus sempervirens, in natural stands and plantations of southeastern Europe. Annals of Forest Science. 56 (2), 167-177.

Roques A, Raimbault J P, 1986. Biological cycle and distribution of Megastigmus wachtli (Seitn.) (Hymenoptera, Torymidae), a chalcidian pest of cypress seeds in the Mediterranean Basin. (Cycle biologique et répartition de Megastigmus wachtli (Seitn.) (Hymenoptera, Torymidae), chalcidien ravageur des graines de cyprès dans le Bassin Méditerranéen.). Journal of Applied Entomology. 101 (4), 370-381. DOI:10.1111/j.1439-0418.1986.tb00871.x

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

Seitner M, 1916. (Über Nadelholzsamen zerstörende Chalcididen). In: Centralblatt für Forstwesen, 42 307-324.

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