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Pest

Description

Harmful to humans

Harmful to snails

Cause

Remedy

Remarks

Fruitflies or gnats

Brown/black

3 mm

No

No

Old food

Remove old food immediately or change/bake substrate,pheramone or stick traps are available too

be careful with sticktraps and snails

Mites

White 1 mm

No

Not to healthy adult snails,but an infestation might be problematic to young snails

Seem to be naturally present on snails

Wash snails regularly or use predatory mites

 

Nematodes(plant parasitic)

White threadlike

5-10 mm

 

No,but see remarks

Not to adult snails,but an infestation might be harmful to newly hatched snails

Sometimes present in potting soil or houseplants

Change/bake substrate

The Rat lungworm is also a kind of nematode

Rat lungworm

threadlike 1.2 mm

Yes

No

Often present on wildcaught snails

Keep wildcaught snails in quarantine

 

Liver Flukes

Leaflike 30 x 13 mm

Yes

No

Often present on freshwatersnails(Lymnaea)

Careful with wildcaught freshwatersnails