Which are the palm trees that the red palm weevil attacks?
To the question What are the palm trees that the red palm weevil attacks? There are several answers and there are several palm trees victims of this plague. The most affected are: The Canarian palm (Phoenix Canariensis), the date palm (Phoenix dactylifera) and the oil palm (Elaeis guineensis). Although there are some species of palm trees more resistant to this insect such as the California fan palm and the palm heart or dwarf palm, these suffer damage in less intensity. It is important that before making a height pruning let us be sure that the specimen is not infected.
The red weevil It is considered within the family of weevils or beetles, it is of Asian origin, but it has spread to at least 51 countries. Its scientific name is Rhynchophorus ferrugineus.
LIFE CYCLE OF THE RED PICUDO
The female lays about 300 eggs depending on the weather if it is warm it can reach 500, these eggs open within a few days and feed on the vegetable fiber of the palm tree digging galleries towards the vegetative apex of it. Incubation lasts about 3-5 days and from the eggs come young larvae without legs, about 5 cm long, whitish in color and with the typical brown head.
Winter is no problem for the red palm weevil, since it lives inside the host plant so it is ready to attack it at any time of the year. The adult has a typical reddish coloration with black stretch marks, and although the female and the male are very similar, the latter has a kind of brush of small filaments in its beak.
HOW TO KNOW IF THE PLANT IS AFFECTED BY THE RED PALM WEEVIL?
It is simple if we observe the plant well, apart from the fact that this insect feeds and spawns its eggs inside the palm trees, so it may not be visible to the naked eye, but as it lays eggs and its population grows inside the palm tree, it is an aspect of this will look deteriorated and deteriorated.
When they go outside it may be too late to save the palm tree because they leave when the vegetative apex is dry, they fly and leave their host to look for another palm tree.
PALM TREES THAT THE RED PICUDO ATTACKS And INFESTATION LEVELS
Light infestation: the attacked leaves remain green, those of the vegetative apex are nibbled.
Medium infestation: the attacked leaves show signs of wilting and the vegetative apex flattens, causing an asymmetry of the upper part of the plant.
Level 3 and 4
Intense level of infestation: the hair shows signs of collapse, a strong asymmetry and the wilting of the leaf are notable
Level 5 and 6
Severe infestation level: crown is completely collapsed. The plant assumes the characteristic umbrella shape. It is at this level that it may be impossible to save the palm tree.
METHODS OF FUMIGATION AND TREATMENTS OF PALM TREES IN ANY OF THE FACES IN WHICH IT IS LOCATED
Depending on the severity and the existing plague, different measures must be taken, although the most advisable is to hire a professional. Our company specializes in the detection of this insect and the rescue of palm trees, for this we have different fumigation methods:
It consists of a wide application angle, good results are obtained, guaranteeing total coverage of the part to be treated, thus obstructing the setting of the red weevil.
USE OF POLE OR LONG ROD
Method for the tallest palm trees, in this way a total application of fumigation is achieved both in the Walloon and in the central leaves of the palm tree.
This is an advanced technique that consists of making injections in the trunk, drilling it and introducing the product to the interior of the palm tree and protecting it from there.
The recommendation of our experts is in the case of the Canary Island palm or Phoenix Canariensis, which is one of the most affected, this method is combined with spraying for optimal results.
WHAT ARE THE PALM TREES THAT THE RED PALM WEEVIL ATTACKS?
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