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Pests and Diseases of Plants

Apple-leaf Aphis
Bean Weevil
Blister Mite On Walnuts
Borers In Olive Twigs
Cause Of Mottle Leaf
Control Of Grasshoppers
Control Of Pear Slug
Control Of Red Spider
Control Of Squash Bugs
Cutworms And Young Trees
Depluming Mites
Finding Thrips
Formula For Lime-sulphur
Fumigating For Black Scale
Gopher Poison

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Bean Weevil








How can I keep certain insects from getting into my dry beans? I have
finished picking the crop. Every year a little, short, stubby beetle
gets in them before spring and makes them unfit for use.

You have to do with the bean weevil. The eggs are inserted by the insect
while the beans are still green in the pods; subsequently the eggs hatch
and the worm excavates the interior of the ripened beans. The beans can
be protected after ripening by heating carefully to 130 Fahrenheit,
which will destroy the egg, or the larva if already hatched. Of course,
this heating must be done cautiously and with the aid of a good
thermometer for fear of destroying the germinating power. The work of
the insect can also be stopped by putting the beans in a barrel or other
close receptacle, with a saucer containing about an ounce of carbon
bi-sulfid to vaporize. Be careful not to approach the vapor with a
light. After treatment for one-half hour, the cover can be removed and
the vapor will entirely dissipate. This is a safer treatment than the
heating. Similar methods of control can be used on other pea and bean
weevils.





Next: Slugs In Garden

Previous: Wire Worms



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