Springtails
PestsLow urgency
Tiny soft-bodied specks, usually under 10 mm, that jump when disturbed and gather in damp corners or in visible masses on the substrate and mushrooms.
Likely causes
- Damp corners and standing moisture
- Poor hygiene and old debris
What to do
Clean and dry damp corners, remove old substrate and debris, and keep the room tidy. Heavy numbers eat mycelium and fruit bodies, so remove badly infested bags.
Easily confused with
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Sources
- Mushroom Growers' Handbook 2: Shiitake Cultivation (MushWorld, 2005; Spanish edition by CERZOS), chapter 5 'Springtails' (MushWorld). Springtails are tiny soft-bodied invertebrates recognised by a forked tail-like organ under the abdomen that lets them jump; the purple springtail (Hypogastrura communis) hides in damp corners and feeds on mycelium and fruit bodies, sometimes in visible masses, lowering yield and quality.
Last updated: 2026-10-19