Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Datasheet

Malacosoma americanum
(eastern tent caterpillar)

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Datasheet

Malacosoma americanum (eastern tent caterpillar)

Summary

  • Last modified
  • 22 November 2019
  • Datasheet Type(s)
  • Pest
  • Preferred Scientific Name
  • Malacosoma americanum
  • Preferred Common Name
  • eastern tent caterpillar
  • Taxonomic Tree
  • Domain: Eukaryota
  •   Kingdom: Metazoa
  •     Phylum: Arthropoda
  •       Subphylum: Uniramia
  •         Class: Insecta

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Pictures

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PictureTitleCaptionCopyright
TitleM. americanum; adult male (museum set specimen)
Caption
Copyright©David Agassiz
M. americanum; adult male (museum set specimen)©David Agassiz

Identity

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Preferred Scientific Name

  • Malacosoma americanum Fabricius

Preferred Common Name

  • eastern tent caterpillar

International Common Names

  • English: American tent caterpillar; apple tent caterpillar; orchard tent caterpillar
  • French: livrée d'Amérique

Local Common Names

  • Germany: Amerikanischer Ringelspinner

EPPO code

  • MALAAM (Malacosoma americanum)

Taxonomic Tree

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  • Domain: Eukaryota
  •     Kingdom: Metazoa
  •         Phylum: Arthropoda
  •             Subphylum: Uniramia
  •                 Class: Insecta
  •                     Order: Lepidoptera
  •                         Family: Lasiocampidae
  •                             Genus: Malacosoma
  •                                 Species: Malacosoma americanum

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

NetherlandsAbsent, Confirmed absent by surveyNPPO of the Netherlands (2013); EPPO (2014)

North America

CanadaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-AlbertaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-ManitobaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-New BrunswickPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-Nova ScotiaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-OntarioPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-Prince Edward IslandPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-QuebecPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-SaskatchewanPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
United StatesPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-AlabamaPresent, LocalizedHyche (1996); CABI and EPPO (2004); EPPO (2014)
-ArkansasPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-ConnecticutPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-DelawarePresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-District of ColumbiaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-FloridaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-GeorgiaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-IllinoisPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-IndianaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-IowaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-KansasPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-KentuckyPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-LouisianaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-MainePresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-MarylandPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-MassachusettsPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-MichiganPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-MinnesotaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-MississippiPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-MissouriPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-NebraskaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-New HampshirePresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-New JerseyPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-New YorkPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-North CarolinaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-North DakotaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-OhioPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-OklahomaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-PennsylvaniaPresent, WidespreadCABI and EPPO (2004); EPPO (2014)
-Rhode IslandPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-South CarolinaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-South DakotaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-TennesseePresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-TexasPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-VermontPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-VirginiaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-West VirginiaPresent, LocalizedCABI and EPPO (2004); EPPO (2014)
-WisconsinPresent, LocalizedCABI and EPPO (2004); EPPO (2014)

Growth Stages

Top of page Vegetative growing stage

List of Symptoms/Signs

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SignLife StagesType
Leaves / external feeding
Leaves / webbing
Whole plant / external feeding

Natural enemies

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Natural enemyTypeLife stagesSpecificityReferencesBiological control inBiological control on
Ablerus clisiocampae Parasite
Bacillus thuringiensis
Baryscapus malacosomae Parasite Eggs
Beauveria bassiana Pathogen Larvae
Blepharipa pratensis Parasite Larvae
Enicospilus cushmani Parasite Pupae
Formica obscuripes Predator
Hyposoter fugitivus Parasite Larvae
Hyposoter fugitivus fugitivus
Myrmica americana Predator
Nucleopolyhedrosis virus Pathogen Larvae
Ooencyrtus ennomophagus Parasite
Podisus maculiventris Predator
Podisus placidus Predator
Rogas malacosomatos Parasite Larvae
Sympiesis fragariae Parasite Choate and Rieske, 2005

References

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CABI/EPPO, 1998. Distribution maps of quarantine pests for Europe (edited by Smith IM, Charles LMF). Wallingford, UK: CAB International, xviii + 768 pp.

CABI/EPPO, 2004. Malacosoma americanum. Distribution Maps of Plant Pests, No. 662. Wallingford, UK: CAB International.

Choate BA; Rieske LK, 2005. Sympiesis fragariae (Hymenoptera: Eulophidae) parasitizes Malacosoma americanum (Lepidoptera: Lasiocampidae) in Kentucky, U.S.A.: host and geographic records. Entomological News, 116(3):183-185.

Collman S; Antonelli A, 1994. Biology and control of tent caterpillars. Extension Bulletin - Cooperative Extension, College of Agriculture & Home Economics, Washington State University Pullman, USA; Bulletin Office, Cooper Publications Bldg. Washington State University, No. EB1106(rev):3 pp.

Dethier VG, 1980. The world of the tent-makers. A natural history of the eastern tent caterpiller. University of Massachusetts Press. Amherst, Massachusetts, USA, 148 pp.

Dixon WN; Foltz JL, 1991. Caterpillars that are not the gypsy moth caterpillar. Some forest Lepidoptera in Florida (Lepidoptera: Arctiidae, Lasiocampidae, Lymantriidae). Entomology Circular (Gainesville), No. 344:1 p.

EPPO, 2014. PQR database. Paris, France: European and Mediterranean Plant Protection Organization. http://www.eppo.int/DATABASES/pqr/pqr.htm

Fitzgerald TD, 1995. The tent caterpillars. The tent caterpillars., xiv + 303 pp.; [Cornell Series in Arthropod Biology]; 24 pp. of ref.

Hyche LL, 1996. The eastern tent caterpillar. A guide to recognition and habits in Alabama. Auburn, Alabama, USA: Auburn University, Bulletin Alabama Agricultural Experimental Station. 626: 12 pp.

Johnson WT; Lyon HH, 1988. Insects that feed on trees and shrubs. Insects that feed on trees and shrubs., Ed. 2:556 pp.

Joos B; Casey TM; Fitzgerald TD; Buttemer WA, 1988. Roles of the tent in behavioral thermoregulation of eastern tent caterpillars. Ecology, USA, 69(6):2004-2011.

Pinnock DE; Hagen KS; Cassidy DV; Brand RJ; Milstead JE; Tasson RL, 1978. Integrated pest management in highway landscapes. California Agriculture, 32(2):33-34.

Prentice RM, 1962. Forest Lepidoptera of Canada recorded by the Forest Insect Survey. Volume 2. Nycteolidae, Noctuidae, Notodontidae, Liparidae. Publication No. 128. Ottawa, Canada: Forest Entomology and Pathology Branch, Department of Forestry.

Segarra Carmona A; Barbosa P, 1983. Overwintering egg mass adaptations of the eastern tent caterpillar, Malacosoma americanum (Fabr.) (Lepidoptera: Lasiocampidae). Journal of the New York Entomological Society, 91(1):68-74

Smith IM; McNamara DG; Scott PR; Holderness M, 1997. Quarantine pests for Europe. Second Edition. Data sheets on quarantine pests for the European Union and for the European and Mediterranean Plant Protection Organization. Quarantine pests for Europe. Second Edition. Data sheets on quarantine pests for the European Union and for the European and Mediterranean Plant Protection Organization., Ed. 2:vii + 1425 pp.; many ref.

USDA, 1985. Insects of eastern forests. USDA Miscellaneous Publication No. 1426. Washington, USA: USDA Forest Service.

Distribution References

CABI, EPPO, 2004. Malacosoma americanum. [Distribution map]. In: Distribution Maps of Plant Pests, Wallingford, UK: CAB International. Map 662.

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

EPPO, 2014. EPPO Global database (available online). Paris, France: EPPO. https://gd.eppo.int/

Hyche L L, 1996. Bulletin - Alabama Agricultural Experiment Station. Auburn, USA: Alabama Agricultural Experiment Station, Auburn University. 12 pp.

NPPO of the Netherlands, 2013. Pest status of harmful organisms in the Netherlands., Wageningen, Netherlands:

Distribution Maps

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