The most common insects of our plants

Although many herbs and plants in our garden grow without problems when grown in good conditions, often a good number of insects appear and can cause great damage, especially in spring and summer. I will inform you of the most common ones so that we can identify and eradicate them immediately.

With the arrival of good temperatures our plants grow quickly, as do many of the insects that feed on them, being more likely to suffer these attacks since when they are in full growth they are softer and easier to eat, especially the new stems.

Here I leave you a list so that you can quickly identify the insect that is attacking your plants.


They are the larvae of butterflies, and are a danger from summer to early spring. They are difficult to see, since they always walk under the leaves, coming out at night to feed. However, the damage caused by them is very evident, as they eat all the leaves, leaving large, irregular holes on the sides of the leaves. They are very voracious and in a few days, they can kill an entire plant.

Slugs and snails:

These feed on the more fleshy plants, producing large holes usually rounded off in the centre. They act at night, especially when the weather is humid. The easiest way to tell if you are dealing with one of these insects is to detect the shiny traces they leave on the plant and surroundings after sliding.


Also called aphids, they’re small green, black or brown insects that suck plant sap from tender buds. Their damage is great, as they feed on young shoots and deform the leaves and stems, giving the plant a bad condition. In addition its greater damage is produced when these transport some virus, infecting those plants where they bite. They reproduce quickly increasing the population in only 3 or 4 days.


The most common are the capsids, which are triangular shaped beetles of only 1 cm long found in any plant during spring and summer. They chew the leaves and absorb the sap, damaging the leaves and killing the shoots. Their damage is easy to identify as they are small white or semi-transparent spots all over the leaf.

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