Rhagium mordax (De Geer, 1775)
(Oak Longhorn, Black-spotted Longhorn Beetle)

Interactions where Rhagium mordax 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 rotting stump (cambium and outer sapwood) Betula birches Fagales: Betulaceae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
Identification - Longhorn Beetles: Part 1, Duff, A. (Illust: Lewington, R.), 2006
 /Animalia/Arthropoda/Insecta/Coleoptera/Cerambycidae/Rhagium mordax/Rhagium mordaxoak longhorn, black-spotted longhorn beetlelarva Foodplant / internal feeder /Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Betula/Betulabirchesrottingstump (cambium and outer sapwood)
imago (in cell) in cell imago overwinters under dead bark Quercus oaks Fagales: Fagaceae Identification - Longhorn Beetles: Part 1, Duff, A. (Illust: Lewington, R.), 2006
 /Animalia/Arthropoda/Insecta/Coleoptera/Cerambycidae/Rhagium mordax/Rhagium mordaxoak longhorn, black-spotted longhorn beetlein cellimago Plant / hibernates / under /Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Quercus/Quercusoaksdeadbark (8-4)
larva larva feeds within rotting stump (cambium and outer sapwood) Major Quercus oaks Fagales: Fagaceae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
Identification - Longhorn Beetles: Part 1, Duff, A. (Illust: Lewington, R.), 2006
 /Animalia/Arthropoda/Insecta/Coleoptera/Cerambycidae/Rhagium mordax/Rhagium mordaxoak longhorn, black-spotted longhorn beetlelarva Foodplant / internal feeder /Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Quercus/Quercusoaksrottingstump (cambium and outer sapwood)Major
larva larva feeds within rotting stump (cambium and outer sapwood) Fraxinus excelsior Ash Lamiales: Oleaceae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
Identification - Longhorn Beetles: Part 1, Duff, A. (Illust: Lewington, R.), 2006
 /Animalia/Arthropoda/Insecta/Coleoptera/Cerambycidae/Rhagium mordax/Rhagium mordaxoak longhorn, black-spotted longhorn beetlelarva Foodplant / internal feeder /Plantae/Tracheophyta/Magnoliopsida/Lamiales/Oleaceae/Fraxinus excelsior/Fraxinus excelsiorashrottingstump (cambium and outer sapwood)
imago imago is associated with dead wood [Broadleaved trees] broadleaved, frondose or deciduous trees Identification - Longhorn Beetles: Part 1, Duff, A. (Illust: Lewington, R.), 2006
 /Animalia/Arthropoda/Insecta/Coleoptera/Cerambycidae/Rhagium mordax/Rhagium mordaxoak longhorn, black-spotted longhorn beetleimago Plant / associate /Plantae/Tracheophyta/Magnoliopsida/Broadleaved trees/Broadleaved treesbroadleaved, frondose or deciduous treesdeadwood (4-6)
imago imago is associated with dead log [Broadleaved trees] broadleaved, frondose or deciduous trees Identification - Longhorn Beetles: Part 1, Duff, A. (Illust: Lewington, R.), 2006
 /Animalia/Arthropoda/Insecta/Coleoptera/Cerambycidae/Rhagium mordax/Rhagium mordaxoak longhorn, black-spotted longhorn beetleimago Plant / associate /Plantae/Tracheophyta/Magnoliopsida/Broadleaved trees/Broadleaved treesbroadleaved, frondose or deciduous treesdeadlog (4-6)
imago (in cell) in cell imago overwinters under dead bark [Broadleaved trees] broadleaved, frondose or deciduous trees Identification - Longhorn Beetles: Part 1, Duff, A. (Illust: Lewington, R.), 2006
 /Animalia/Arthropoda/Insecta/Coleoptera/Cerambycidae/Rhagium mordax/Rhagium mordaxoak longhorn, black-spotted longhorn beetlein cellimago Plant / hibernates / under /Plantae/Tracheophyta/Magnoliopsida/Broadleaved trees/Broadleaved treesbroadleaved, frondose or deciduous treesdeadbark (8-4)
larva larva feeds within rotting stump (cambium and outer sapwood) [Broadleaved trees] broadleaved, frondose or deciduous trees Identification - Longhorn Beetles: Part 1, Duff, A. (Illust: Lewington, R.), 2006
 /Animalia/Arthropoda/Insecta/Coleoptera/Cerambycidae/Rhagium mordax/Rhagium mordaxoak longhorn, black-spotted longhorn beetlelarva Foodplant / internal feeder /Plantae/Tracheophyta/Magnoliopsida/Broadleaved trees/Broadleaved treesbroadleaved, frondose or deciduous treesrottingstump (cambium and outer sapwood)
larva larva feeds within wood Picea spruces Pinales: Pinaceae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
 /Animalia/Arthropoda/Insecta/Coleoptera/Cerambycidae/Rhagium mordax/Rhagium mordaxoak longhorn, black-spotted longhorn beetlelarva Foodplant / internal feeder /Plantae/Tracheophyta/Pinopsida/Pinales/Pinaceae/Picea/Piceaspruceswood
larva larva feeds within wood Pinus pines Pinales: Pinaceae Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
 /Animalia/Arthropoda/Insecta/Coleoptera/Cerambycidae/Rhagium mordax/Rhagium mordaxoak longhorn, black-spotted longhorn beetlelarva Foodplant / internal feeder /Plantae/Tracheophyta/Pinopsida/Pinales/Pinaceae/Pinus/Pinuspineswood

Author & YearTitleSource
Bullock, J.A., 1992Host Plants of British Beetles: A List of Recorded Associations11a, 24pp, Amateur Entomologists’ Society
Duff, A. (Illust: Lewington, R.), 2006Identification - Longhorn Beetles: Part 1British Wildlife Vol 18, No 6: 406-414.

Rhagium mordax (Oak Longhorn, Black-spotted Longhorn Beetle) may also be included in 'feeds on' relations listed under the following higher taxa:

Rhagium mordax (Oak Longhorn, Black-spotted Longhorn Beetle) may be included in 'fed on by' relations listed under the following higher taxa:

Taxonomic hierarchy:
SpeciesRhagium mordax (Oak Longhorn, Black-spotted Longhorn Beetle)
GenusRhagium (a genus of longhorn beetles)
TribeRhagiini (a tribe of longhorn beetles)
SubfamilyLEPTURINAE (a subfamily of longhorn beetles)
FamilyCERAMBYCIDAE (longhorn beetles)
SuperfamilyCHRYSOMELOIDEA (leaf, longhorn and seed 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 Rhagium mordax (Oak Longhorn, Black-spotted Longhorn Beetle)

Rhagium mordax (Oak Longhorn, Black-spotted Longhorn Beetle) may be included in identification literature listed under the following higher taxa:

Literature listed under the following higher taxa may be relevant to Rhagium mordax (Oak Longhorn, Black-spotted Longhorn Beetle):

BioImagesBioImages (www.bioimages.org.uk) has 14 images of Rhagium mordax (Oak Longhorn, Black-spotted Longhorn Beetle)
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