Diprion pini
| Common pine sawfly | |
|---|---|
 | |
| Female | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Suborder: | Symphyta |
| Superfamily: | Tenthredinoidea |
| Family: | Diprionidae |
| Genus: | Diprion |
| Species: | N. pini |
| Binomial name | |
| Diprion pini (Linnaeus) 1758 | |
Diprion pini, the common pine sawfly, is a sawfly species in the genus Diprion. It is a serious pest of economic forestry, capable of defoliating large areas of pine forest. Since it feeds until late in the autumn, affected trees are weakened and often die in the subsequent winter.[1] The species is found all across Europe, with outliers elsewhere. It affects the Scots, mountain, eastern white, radiata, lodgepole and black pines. Scots pines are not generally killed by a single defoliation, but weakened trees may suffer increased attack by bark beetles, buprestid beetles, and pine weevils, which can kill trees, as can repeated defoliation.[2]
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Mass of larvae on pine tree
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Larval damage to pine
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Last instar larva with exuviae
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Larva forming cocoon in pine tree
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Opened cocoon
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Male imago
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Female imago
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Deimatic behaviour: group of larvae waving their heads simultaneously
References
- ↑ Krokene, Paal (6 December 2014). "The common pine sawfly – a troublesome relative". Science Nordic. Retrieved 28 November 2016.
- ↑ "common pine sawfly (Diprion pini)". Plantwise Knowledge Bank. Retrieved 28 November 2016.