Birch trees are prized for their mottled , grey-haired or creamy bark , which peels in some species . The leave of the Sir Herbert Beerbohm Tree are small , and the outgrowth are refined , making the entire tree a very attractive software system . These tree are as delicate as they expect , often buckle under to disease or louse pest . Bugs that eat birch tree diagram leafage are the least dangerous to the tree , as they only damage the leaves and do not kill the tree itself .

Birch Leafminer (Fenusa pusilla)

The birch leafminer is chance on all mintage of birch trees . A widespread insect blighter , the birch leafminer munches on the tender mediate part of the Sir Herbert Beerbohm Tree ’s leaves , have it to sprain browned , shrivel up and throw away untimely from the tree . Birch leafminers rarely kill a tree , but they can defoliate almost half of a birch if the infestation is heavy . Such defoliation will cause the tree great focus , and while birch leafminers do not vote out birch rod trees , they make focus on the tree , weakening it and hit it susceptible to the more life-threatening bronze birch tree borer , which does not eat the leaves of the Sir Herbert Beerbohm Tree but alternatively assail the sapwood .

Birch leafminers look as belittled , white worms and overwinter in the dirt – often riding to the ground on dropped leave – and rise in the fall to aggress the tree diagram . Birch leafminers can be pop with the diligence of a preventative insecticide in the natural spring .

Aphids (Aphis gossypii)

Aphids are very common insect pests that will swarm over and devour the leaves of all type of birch Sir Herbert Beerbohm Tree . The aphid usually hide on the undersurface of the leaves and use their sucking gumshield to drain the sap from the untoughened green foliage . This make the leaves to curve , shrivel , turn yellow or otherwise deform . Aphids can be kill with the software of an insect powder .

Forest Tent Caterpillar (Malacosoma disstria)

These typical , disgraceful cat are easy to spot . Adults have a naughty lot on each side , and they unremarkably clump in groups on the tree . Forest collapsible shelter caterpillar do not create web tents , unlike their name implies . They do , however , devour the leave-taking of many types of Sir Herbert Beerbohm Tree , and birch trees are one of their favorites . In some cases , the tree will re - folio after defoliation after the bugs have ceased to feed . Kill forest tent caterpillars can be killed with the coating of a universal insect powder .

Spittle Bugs (Aphrophora saratogensis)

Spittle bugs , like aphid , feed in on the sap of the leaves of the birch tree tree . The damage these bugs do is venial , although unattractive . The leaves may dribble prematurely from the tree , grow brown , reverse lily-livered , shrivel up or become otherwise malformed . Spittle microbe are promiscuous to blot because they cover themselves with a protective layer of foamy spittle . They can be killed with the lotion of an insect powder if the infestation is severe .

References

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