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Broad bean seed beetle can be a problem in dry seed, it is most likely to be seen by gardeners who save their own seed.
Common name Broad bean seed beetleScientific name Bruchus rufimanusPlants affected Broad bean seedsSymptoms Circular emergence holes in dry bean seedsMost active March-July
The adult insect is a small beetle that belongs to a sub-family of beetles that are known as bruchid beetles, seed beetles or seed weevils. It is the larval stage feeding inside seeds that causes the damage.
Keep an eye out for the following symptoms or signs of broad bean seed beetle activity;
There is no control available to amateur gardeners. Fortunately, affected seeds will usually germinate as the grubs feed in the cotyledon part of the seed, most of which survives, and the seed embryo is undamaged.
Typically, the life cycle of broad bean seed beetles is as follows;
AphidsBlackflyBroad bean chocolate spotBroad beans: growingBroad bean rustPea and bean weevilsRunner and French bean rustRunner beansRunner beans: failure to set pods
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