Galium

Foodplant / gall
Aceria galioba causes gall of leaf (terminal) of Galium

Foodplant / open feeder
adult of Cryptocephalus moraei grazes on live flower of Galium
Remarks: season: 5-9

Foodplant / gall
larva of Dasineura galiicola causes gall of leaf of Galium

Foodplant / sap sucker
Dysaphis pyri sucks sap of live Galium
Remarks: season: late spring-

Foodplant / gall
Eriophyes galii causes gall of leaf of Galium

Foodplant / gall
larva of Geocrypta galii causes gall of stem of Galium

In Great Britain and/or Ireland:
Foodplant / saprobe
effuse colony of Gyrothrix dematiaceous anamorph of Gyrothrix verticillata is saprobic on dead stem of Galium
Remarks: season: 9

Foodplant / feeds on
Halticus apterus feeds on Galium
Other: major host/prey

Foodplant / feeds on
Halticus luteicollis feeds on Galium

Foodplant / sap sucker
nymph of Legnotus limbosus sucks sap of Galium

Foodplant / miner
larva of Liriomyza morio mines leaf of Galium
Other: sole host/prey

Foodplant / sap sucker
Myzus cerasi sucks sap of live, distorted leaf of Galium
Remarks: season: summer
Other: major host/prey

Foodplant / parasite
underground tuber of Orobanche caryophyllacea parasitises root of Galium

Foodplant / feeds on
Orthocephalus coriaceus feeds on Galium

Foodplant / parasite
grouped pycnidium of Placosphaeria coelomycetous anamorph of Placosphaeria punctiformis parasitises stem of Galium
Remarks: season: 7-10
Other: uncertain

Foodplant / parasite
plurilocular, amphigenous stroma of Placosphaeria coelomycetous anamorph of Placosphaeria stellatarum parasitises fading leaf of Galium

Plant / resting place / on
male apter of Platythrips tunicatus may be found on Galium
Remarks: season: 5-10

Foodplant / gall
telium of Puccinia galii-verni causes gall of live stem of Galium

Foodplant / saprobe
gregarious to scattered, erumpent apothecium of Pyrenopeziza galii is saprobic on dead stem of Galium

Foodplant / open feeder
larva of Sermylassa halensis grazes on leaf of Galium

Foodplant / open feeder
adult of Timarcha goettingenis grazes on leaf of Galium
Remarks: season: late 2-12

Foodplant / open feeder
adult of Timarcha tenebricosa grazes on leaf of Galium
Remarks: season: 1-12

Foodplant / gall
Trioza velutina causes gall of leaves (terminal) of Galium