Neodiprion sertifer
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Author(s): Steven Katovich, USDA Forest Service
Source: IPM Images
Neodiprion sertifer (Geoffroy) - (European pine sawfly)
The sawfly is a pest of pine trees and can cause serious defoliation. It is native to Europe but has been accidentally introduced into eastern North America in 1925.
The female lays its eggs inside the pine needles in autumn. The eggs hatch in spring and the larvae feed on the older pine needles. Serious damage can reduce the growth of the trees and can even cause tree death. The larvae grow to a length of around 2 cm and pupate in the summer, adults emerge in autumn.
The larvae are grey-green with a shiny black head and five longitudinal stripes. The adults are 6-12 mm long. Males are black with 25-30 antennal segments. Females are brownish with 20-28 antennal segments.
| Vernacular names | |
|---|---|
| • Deutsch: | Rotgelbe Kiefernbuschhornblattwespe |
| • English: | European pine sawfly fox-coloured sawfly |
| • Español: | lofiro rojizo |
| • Français: | lophyre roux diprion du pin sylvestre |
Synonyms:
Neodiprion rufus
Diprion sertifer
- Other images of Neodiprion sertifer (Wikimedia Commons and IPM Images - click to enlarge)
larva
larvae
larvae on Pinus resinosa
female
infestation on pines in Finland
