Syagrius intrudens Waterhouse, C.O., 1903
(Fern Weevil)

Interactions where Syagrius intrudens is the dominant partner and gains from the process

The following relationships have been collated from the published literature (see 'Interaction References').

Stage Summary Taxon Vernacular Classification References Darwin Classification of Active Taxon Active Taxon Active Vernacular Active Taxon Uncertain Active State Active Part Active Stage Relationship Relationship Uncertain Relationship Geography Darwin Classification of Passive Taxon Passive Taxon Passive Vernacular Passive Taxon Uncertain Passive State Passive Part Passive Stage Passive Taxon's significance to Active Taxon Indoors etc Season
larva larva feeds within stem UK/Ireland FILICOPSIDA leptosporangiate ferns True Weevils (Part I): Family Curculionidae, subfamilies Raymondionyminae to Smicronychinae, Morris, M.G., 2002
 /Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Syagrius intrudens/Syagrius intrudensfern weevillarva Foodplant / internal feederUK and/or Eire /Plantae/Pteridophyta/Filicopsida/Filicopsidaleptosporangiate fernsstem
larva larva feeds within rootstock UK/Ireland FILICOPSIDA leptosporangiate ferns True Weevils (Part I): Family Curculionidae, subfamilies Raymondionyminae to Smicronychinae, Morris, M.G., 2002
 /Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Syagrius intrudens/Syagrius intrudensfern weevillarva Foodplant / internal feederUK and/or Eire /Plantae/Pteridophyta/Filicopsida/Filicopsidaleptosporangiate fernsrootstock
larva larva feeds within stem UK/Ireland Pteridium aquilinum Bracken Polypodiales: Dennstaedtiaceae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
True Weevils (Part I): Family Curculionidae, subfamilies Raymondionyminae to Smicronychinae, Morris, M.G., 2002
 /Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Syagrius intrudens/Syagrius intrudensfern weevillarva Foodplant / internal feederUK and/or Eire /Plantae/Pteridophyta/Polypodiopsida/Polypodiales/Dennstaedtiaceae/Pteridium aquilinum/Pteridium aquilinumbrackenstem
larva larva feeds within rootstock UK/Ireland Pteridium aquilinum Bracken Polypodiales: Dennstaedtiaceae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
True Weevils (Part I): Family Curculionidae, subfamilies Raymondionyminae to Smicronychinae, Morris, M.G., 2002
 /Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Syagrius intrudens/Syagrius intrudensfern weevillarva Foodplant / internal feederUK and/or Eire /Plantae/Pteridophyta/Polypodiopsida/Polypodiales/Dennstaedtiaceae/Pteridium aquilinum/Pteridium aquilinumbrackenrootstock

Author & YearTitleSource
Bullock, J.A., 1992Host Plants of British Beetles: A List of Recorded Associations11a, 24pp, Amateur Entomologists’ Society
Morris, M.G., 2002True Weevils (Part I): Family Curculionidae, subfamilies Raymondionyminae to SmicronychinaeHandbooks for the Identification of British Insects, Vol 5, Part 17b, 149pp, The Royal Entomological Society of London

Syagrius intrudens (Fern Weevil) may also be included in 'feeds on' relations listed under the following higher taxa:

Syagrius intrudens (Fern Weevil) may be included in 'fed on by' relations listed under the following higher taxa:

Taxonomic hierarchy:
SpeciesSyagrius intrudens (Fern Weevil)
SubfamilyMOLYTINAE (a subfamily of weevils)
FamilyCURCULIONIDAE (weevils)
Division Gonatoceri (true weevils)
SuperfamilyCURCULIONOIDEA (weevils and allied beetles)
Series Cucujiformia (a group of beetles)
SuborderPOLYPHAGA (mainly terrestrial beetles)
OrderCOLEOPTERA (beetles)
Division Endopterygota (bees, beetles, flies, moths and other insects with wings developing internally)
InfraclassNeoptera (bees, beetles, flies, grasshoppers, moths and other advanced insects)
SubclassPTERYGOTA (bees, beetles, dragonflies, flies, grasshoppers, moths and other winged insects)
ClassINSECTA (true insects)
SubphylumHEXAPODA (insects and other 6-legged organisms)
PhylumARTHROPODA (arthropods)
SuperphylumECDYSOZOA (skin shedders)
CladeBilateria (bilaterally symmetrical animals)
SubkingdomEUMETAZOA (metazoans)
KingdomANIMALIA (animals)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
NBNNBN (data.nbn.org.uk) has a distribution map for Syagrius intrudens (Fern Weevil)

Syagrius intrudens (Fern Weevil) may be included in identification literature listed under the following higher taxa:

Literature listed under the following higher taxa may be relevant to Syagrius intrudens (Fern Weevil):

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