Foodplant / feeds on
Aeolothrips intermedius feeds on flower of Brassicaceae
Other: major host/prey

Foodplant / feeds on
adult of Aeolothrips tenuicornis feeds on live flower of Brassicaceae

Foodplant / gall
Agrobacterium tumefaciens causes gall of stem (base, or just below) of Brassicaceae

Foodplant / gall
Albugo causes gall of stem of Brassicaceae

In Great Britain and/or Ireland:
Foodplant / false gall
colony of Albugo candida causes swelling of live, discoloured, distorted leaf of Brassicaceae
Remarks: season: spring, early autumn

Foodplant / spot causer
amphigenous colony of Alternaria dematiaceous anamorph of Alternaria brassicicola causes spots on live leaf of Brassicaceae

Foodplant / nest
female of Andrena niveata provisions nest with pollen of Brassicaceae

Foodplant / gall
Aphis brassicae causes gall of leaf of Brassicaceae

Foodplant / open feeder
gregarious larva of Athalia glabricollis grazes on leaf (underside) of Brassicaceae

Foodplant / open feeder
gregarious larva of Athalia lugens grazes on leaf (underside) of Brassicaceae
Remarks: Other: uncertain

Foodplant / open feeder
gregarious larva of Athalia rosae grazes on leaf (underside) of Brassicaceae

Foodplant / feeds on
larva of Baris lepidii feeds on Brassicaceae

Foodplant / gall
larva of Ceutorhynchus assimilis causes gall of live root of Brassicaceae
Remarks: season: 3-

Foodplant / feeds on
larva of Ceutorhynchus contractus feeds on Brassicaceae

Foodplant / feeds on
larva of Ceutorhynchus floralis feeds on Brassicaceae

Foodplant / feeds on
larva of Ceutorhynchus hepaticus feeds on Brassicaceae

Foodplant / feeds on
Ceutorhynchus pallidactylus feeds on Brassicaceae

Foodplant / feeds on
larva of Ceutorhynchus rapae feeds on Brassicaceae

Foodplant / feeds on
larva of Ceutorhynchus sulcicollis feeds on Brassicaceae

Foodplant / gall
larva of Dasineura sisymbrii causes gall of inflorescence of Brassicaceae

Foodplant / sap sucker
nymph of Eurydema dominulus sucks sap of Brassicaceae

Foodplant / sap sucker
adult of Eurydema oleracea sucks sap of Brassicaceae

Foodplant / miner
larva of Liriomyza strigata mines leaf of Brassicaceae

Foodplant / feeds on
larva of Meligethes coracinus feeds on Brassicaceae

Foodplant / feeds on
larva of Meligethes viridescens feeds on live flower bud pollen of Brassicaceae

Foodplant / parasite
colony of sporangium of Peronospora parasitica parasitises live Brassicaceae
Remarks: season: 1-4

Foodplant / open feeder
adult of Phaedon cochleariae grazes on live leaf of Brassicaceae
Remarks: season: 5-9

Plant / resting place / on
puparium of Phytomyza rufipes may be found on stem of Brassicaceae

Foodplant / gall
Plasmodiophora brassicae causes gall of swollen, distorted, often fused root of Brassicaceae
Other: major host/prey

Foodplant / open feeder
imago of Psylliodes chrysocephala grazes on leaf of Brassicaceae

Foodplant / open feeder
imago of Psylliodes napi grazes on leaf of Brassicaceae

Foodplant / feeds on
larva of Thrips angusticeps feeds on live Brassicaceae
Remarks: season: 4-7

Foodplant / pathogen
Xanthomonas campestris pv. campestris infects and damages live, yellow-blotched leaf of Brassicaceae