bonsai tree care

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Have you ever seen moths or butterflies among bonsai? Do you see them much? If so, there may be nearby caterpillars.

The caterpillars are my least favorite garden pests. They can cause a lot of damage quickly, especially in small and saplings. You can find them in trees in deciduous and coniferous.

Some are big, some are small. Many have mastered the art of camouflage.

Hinoki foliage and caterpillar

foliage Hinoki and a caterpillar that feeds on it
(Photos of today will be familiar to readers of messages from a few years ago)

with the leafy trees, caterpillar damage is most often marked by holes in the leaves, leaf sections, or missing completely missing leaves. With conifers, caterpillars can eat soft growing tips or buried within tender shoots.

Worm in juniper foliage

Caterpillar on Shimpaku foliage

is quite easy to see the damage caused by caterpillars feed on end. When buried inside outbreaks can occur dieback subtle.

Signs of a worm

damage Caterpillar on a western juniper

Signs of a worm

What is this – is still within

Worm in juniper foliage

groveling to light


the culprit

I’ve seen in a variety of trees scale of hinoki, to Shimpaku, western juniper and juniper Sierra.

Signs of a worm

telltale signs on Sierra juniper foliage

Worm in juniper foliage

Caterpillar in Sierra juniper foliage

control Caterpillar is most often accomplished with pesticides and bacteria known as Bacillus thuringiensis – one of the most common active ingredients in sprays caterpillar. Bt should be sprayed when the caterpillars are active, as they have to eat to be effective (which kills by destroying caterpillars guts). The spray towards the end of the day, for example, which is better for the caterpillars that feed at night.

Read also:   Red maple in fall color

I tend to pinch away foliage with isolated caterpillar damage and keep aerosols for the most serious cases, but I realized that this can be a slippery slope. To get really serious in front of the caterpillar infestation, spraying at regular intervals and the use of multiple attack modes – for example neem oil and Bt -. You may be required

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