Sitona obsoletus (Gmelin, 1790)
(a weevil)

Interactions where Sitona obsoletus 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 on Foreign Medicago sativa Lucerne, Medick, Alfalfa Fabales: Fabaceae Broad-Nosed Weevils (Entiminae), Morris, M.G., 1997
 /Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Sitona obsoletus/Sitona obsoletusa weevillarva Foodplant / feeds onForeign /Plantae/Tracheophyta/Magnoliopsida/Fabales/Fabaceae/Medicago sativa/Medicago sativalucerne, medick, alfalfa
larva larva feeds on Trifolium clovers Fabales: Fabaceae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
Broad-Nosed Weevils (Entiminae), Morris, M.G., 1997
 /Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Sitona obsoletus/Sitona obsoletusa weevillarva Foodplant / feeds on /Plantae/Tracheophyta/Magnoliopsida/Fabales/Fabaceae/Trifolium/Trifoliumclovers
larva larva feeds on Major Trifolium pratense Red Clover Fabales: Fabaceae Broad-Nosed Weevils (Entiminae), Morris, M.G., 1997
 /Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Sitona obsoletus/Sitona obsoletusa weevillarva Foodplant / feeds on /Plantae/Tracheophyta/Magnoliopsida/Fabales/Fabaceae/Trifolium pratense/Trifolium pratensered cloverMajor
larva larva feeds on Major Trifolium repens White Clover, Dutch Clover Fabales: Fabaceae Broad-Nosed Weevils (Entiminae), Morris, M.G., 1997
 /Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Sitona obsoletus/Sitona obsoletusa weevillarva Foodplant / feeds on /Plantae/Tracheophyta/Magnoliopsida/Fabales/Fabaceae/Trifolium repens/Trifolium repenswhite clover, dutch cloverMajor

Author & YearTitleSource
Bullock, J.A., 1992Host Plants of British Beetles: A List of Recorded Associations11a, 24pp, Amateur Entomologists’ Society
Morris, M.G., 1997Broad-Nosed Weevils (Entiminae)Handbooks for the Identification of British Insects, Vol 5, Part 17a, 106pp, The Royal Entomological Society of London

Sitona obsoletus (a weevil) may also be included in 'feeds on' relations listed under the following higher taxa:

Sitona obsoletus (a weevil) may be included in 'fed on by' relations listed under the following higher taxa:

Taxonomic hierarchy:
SpeciesSitona obsoletus (a weevil)
GenusSitona (a genus of weevils)
TribeSitonini (a group of weevils)
SubfamilyENTIMINAE (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 Sitona obsoletus (a weevil)

Identification Works

Handling & MagnificationAuthorYearTitleSource
Phillips, C.B. & Barratt, B.I.P. 2004 A guide to assist detection of newly arrived Sitona species (Coleoptera: Curculionidae) in New Zealand and Australia Phillips, C.B. & Barratt, B.I.P., 2004. A guide to assist detection of newly arrived Sitona species (Coleoptera: Curculionidae) in New Zealand and Australia, 12pp, Proceedings of the 8th Australasian Grassland Invertebrate Ecology Conference

Sitona obsoletus (a weevil) may also be included in identification literature listed under the following higher taxa:

Literature listed under the following higher taxa may be relevant to Sitona obsoletus (a weevil):

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