|Morphology and Anatomy||Life Cycle|
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| Nematode is 0.6-1.4 mm long.
Temperate regions, France, Britain; mushroom-growing areas.
Pest in commercial mushroom production.
Feeds on a wide range of fungal hyphae.
Swarms and aggregates on mushroom beds.
Becomes cryptobiotic if drying is slow, remains viable for 3 1/2 years.
Has a sticky surface that sticks nematode to insect or human vectors.
Withdraws contents of fungal cells, mycelium disappears; mushroom beds become soggy and foul smelling.
Control of infestations is difficult; preventive measures are employed.
Mushroom beds are heated to 60 C or fumigated with methyl bromide - both treatments kill mushrooms.
Thionazin is used at low rates in England to suppress the nematode; Benomyl suppresses the nematode, but also has detrimental effects on the fungus.