Difference between revisions of "Rhynchophorus ferrugineus"
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[[File:Rhynchophorus ferrugineus (femmina).jpg|250px|thumb|''Rhynchophorus ferrugineus'' female (click on image to enlarge it)<br/>Author: Luigi Barraco<br/>Source: [http://commons.wikimedia.org/wiki/File:Rhynchophorus_ferrugineus_(femmina).jpg Wikimedia Commons]]] | [[File:Rhynchophorus ferrugineus (femmina).jpg|250px|thumb|''Rhynchophorus ferrugineus'' female (click on image to enlarge it)<br/>Author: Luigi Barraco<br/>Source: [http://commons.wikimedia.org/wiki/File:Rhynchophorus_ferrugineus_(femmina).jpg Wikimedia Commons]]] | ||
| − | <font color="#800000">'''''Rhynchophorus ferrugineus'''''</font> (Olivier, 1790) (red palm weevil) | + | <font color="#800000">'''''Rhynchophorus ferrugineus'''''</font> (Olivier, 1790) (red palm weevil) |
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| − | + | The weevil attacks and kills palms in various regions. The larvae bore into the top part of the palm stem which is still relatively soft. Wounds caused by tools at the base of fronds or the top of the stem are typical places for the adults to start the attack and lay eggs. The feeding activity of the larvae destroys the base of the fronds and the first symptoms are a collaps of the fronds starting with the younger ones. At a later stage, the whole centre of the palm is destroyed and only a few older fronds remain attached to the stem (see photos below). | |
| + | The weevil is native to southern parts of Asia, where it feeds mainly on coconut palms. It has spread in the 1980s to the Near East, where it became a major pest of date palms. More recently, it has invaded North Africa and Europe and since 2009 has been reported from the Caribbean. Reports of this species since 2010 from California apparently refer to ''[[Rhynchophorus vulneratus]]'' ([[PLoS ONE (2013) 8 (10 - e78379)|Rugman-Jones et al. 2013]]). Apart from coconut and date palms, various other types of palms are attacked in the invaded countries. | ||
{{VN | {{VN | ||
| + | |de=malaiischer Palmenrüssler | ||
|en=red palm weevil | |en=red palm weevil | ||
|es=picudo rojo de las palmeras<br/>curculiónido ferruginoso de las palmeras | |es=picudo rojo de las palmeras<br/>curculiónido ferruginoso de las palmeras | ||
| + | |fr=charançon rouge des palmiers | ||
}} | }} | ||
| + | The adults are around 3-3½ cm long, black underneath and reddish brown on the upper side with variable black marks and colourations (see the illustration below). The life cycle from egg to mature adult last about 2-3 months. The most practical control approach is trapping, combined with the removal of the insects from the attacked palms. | ||
| + | |||
| + | For details see the respective page in [[wikipedia:Rhynchophorus ferrugineus|Wikipedia]]. | ||
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<gallery widths=300px caption="Other images of Rhynchophorus ferrugineus (Wikimedia Commons - click to enlarge)"> | <gallery widths=300px caption="Other images of Rhynchophorus ferrugineus (Wikimedia Commons - click to enlarge)"> | ||
File:Rhynchophorus ferrugineus maschio1.JPG|male | File:Rhynchophorus ferrugineus maschio1.JPG|male | ||
| + | File:Rhynchophorus ferrugineus PLOS ONE 8 e78379.png|colour polymorphism of adult | ||
File:Rhynchophorus ferrugineus larva.JPG|larva | File:Rhynchophorus ferrugineus larva.JPG|larva | ||
File:Rhynchophorus ferrugineus (bozzolo).jpg|pupal case | File:Rhynchophorus ferrugineus (bozzolo).jpg|pupal case | ||
File:Rhynchophorus ferrugineus pupa2.jpg|pupa | File:Rhynchophorus ferrugineus pupa2.jpg|pupa | ||
File:Punteruolo Alassio.JPG|Canary Island date palm (''Phoenix canariensis'') in Italy killed by the weevil | File:Punteruolo Alassio.JPG|Canary Island date palm (''Phoenix canariensis'') in Italy killed by the weevil | ||
| + | File:Phoenix canariensis destroyed by Rhynchophorus ferrugineus 1.JPG|close up of ''Phoenix canariensis'' crown destroyed by the weevil | ||
</gallery> | </gallery> | ||
[[Category:Rhynchophorus (genus)]] | [[Category:Rhynchophorus (genus)]] | ||
Latest revision as of 09:04, 17 April 2022
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.jpg)
Author: Luigi Barraco
Source: Wikimedia Commons
Rhynchophorus ferrugineus (Olivier, 1790) (red palm weevil)
The weevil attacks and kills palms in various regions. The larvae bore into the top part of the palm stem which is still relatively soft. Wounds caused by tools at the base of fronds or the top of the stem are typical places for the adults to start the attack and lay eggs. The feeding activity of the larvae destroys the base of the fronds and the first symptoms are a collaps of the fronds starting with the younger ones. At a later stage, the whole centre of the palm is destroyed and only a few older fronds remain attached to the stem (see photos below).
The weevil is native to southern parts of Asia, where it feeds mainly on coconut palms. It has spread in the 1980s to the Near East, where it became a major pest of date palms. More recently, it has invaded North Africa and Europe and since 2009 has been reported from the Caribbean. Reports of this species since 2010 from California apparently refer to Rhynchophorus vulneratus (Rugman-Jones et al. 2013). Apart from coconut and date palms, various other types of palms are attacked in the invaded countries.
| Vernacular names | |
|---|---|
| • Deutsch: | malaiischer Palmenrüssler |
| • English: | red palm weevil |
| • Español: | picudo rojo de las palmeras curculiónido ferruginoso de las palmeras |
| • Français: | charançon rouge des palmiers |
The adults are around 3-3½ cm long, black underneath and reddish brown on the upper side with variable black marks and colourations (see the illustration below). The life cycle from egg to mature adult last about 2-3 months. The most practical control approach is trapping, combined with the removal of the insects from the attacked palms.
For details see the respective page in Wikipedia.
- Other images of Rhynchophorus ferrugineus (Wikimedia Commons - click to enlarge)
male
colour polymorphism of adult
larva
pupal case
pupa
Canary Island date palm (Phoenix canariensis) in Italy killed by the weevil
close up of Phoenix canariensis crown destroyed by the weevil
.jpg)
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