Aprosthema tardum (Klug, 1814)
(Pea Twinhorn)

Taxonomic hierarchy:
SpeciesAprosthema tardum (Pea Twinhorn)
GenusAprosthema (a genus of sawflies)
SubfamilySTERICTIPHORINAE (a subfamily of hymenopterans)
FamilyARGIDAE (a family of sawflies)
SuperfamilyTENTHREDINOIDEA (a superfamily of sawflies)
SuborderSYMPHYTA (sawflies)
OrderHYMENOPTERA (ants, bees and wasps, sawflies and parasitoid wasps)
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)

Identification Works

AuthorYearTitleSource
Knight, G. 2006 Recent additions to the British sawfly list Sawfly Study Group Newsletter Vol 1: 2-6.

Aprosthema tardum (Pea Twinhorn) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Aprosthema tardum (Pea Twinhorn)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Aprosthema tardum (Pea Twinhorn)
Creative Commons License
This website is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Licence.

Unless otherwise expressly stated, all original material on the BioImages website by Malcolm Storey is licensed under the above Creative Commons Licence.

Photographs from other photographers are used with permission but not included under the above CC licence.

BioImages - Virtual Field-Guide (UK)