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Mycetophilid Flies as Pests of the Cucumber Plant in Glass-houses

1922; Cambridge University Press; Volume: 13; Issue: 3 Linguagem: Inglês

10.1017/s0007485300045326

1475-2670

E. R. Speyer,

Phytoplasmas and Hemiptera pathogens

Severe injury to the roots of cucumber plants has occurred since January of this year (1922) through the attacks of the larvae of certain minute “fungus-gnats” belonging to the family Sciaridae. Although such attacks have not been recorded previously by growers of cucumbers, it is more than probable that the flies have been present in glass-houses for a number of years, and that damage arising through their agency has mistakenly been attributed to “eel-worms.”