Through precipitation changes and hydric stress (Climate change ), the nutrition of forest insects is indirectly influenced which can change their natural biotopes.
Personally, Iam facing a case of an insect which lives usually on fruit trees and strictly on Rosaceae (in an agricultural biotope), is identified between the most important damaged xylophagous insects of Cedrus atlantica M. in Belezma forest(Algeria). Its abundant presence in a forest biotope is very significant.
I want to know if someone of you has studied a similar case.
I'am sorry that I am unfamiliar with the area you mentioned. Good luck to your study! Peijian
Yamina, could you mention what is the insect pest you are working on ?
The insect involved appears to be Scolytus amygdali (see Talbi paper on Researchgate). Surely the first question that needs to be asked is whether the species is correctly identified. Has the identification been checked by an expert? There are many species of Scolytus in the Palaearctic, and some are difficult to distinguish.
I'm not familiar with this species. I agree with Roger, a good identification to species level would be of great importance.
There is a library of some Polish, Swedish nad other studies on Scolytinae, especially on Ips typographus and its connection to the water stress in host trees (Norway spruce). Unfortunately I have any of this papers in my current work. Try to explain me your particular problem and, maybe, I can recommend You to my collegues in Forest Research Institute in Poland.
Please, send me this information by e-mail: [email protected]
With regards,
M. Dobrowolski
Thank you for all,
Really, the concerned insect is Scolytus amygdali . Its identification was confirmed by COCQUEMPOT Christian, Specialist in Animal Ecology and Agricultural Zoology (ENSA -INRA Montpellier-France) and BRUSTEL Hervé (from engineers School Purpan-Toulouse) in 2008. I didn’t want to cite it, because I’ve already sent specimens to be reidentified. I’ve sent them to a doctor in Tunisia which has worked for a long time and still working on S.amygdali. The identification is not finished yet, but she has partially confirmed that it is really S.amygdali. That’s why I am asking if this can occurs, probably due to the climate change!
Special thanks to Marek Dobrowolski and Roger Beaver,
I’ll be in contact with you Marek , for more details
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