Neodiprion sertifer (Geoffroy, 1785)
european pine sawfly
on Pinus
Pinus nigra, Hongarije, Mosonmagyaróvár, 9.iv.2017 © László Érsek: eggs are deposited in a row in a needle
from the top down: a needle in which eggs have been deposited; longitudinal section of the same; and stronger magnification of a single eggs, just below the needle’s epidermis
one day old larva.
25.iv: young larvae
the young larvae consume only the outer layer of the needles
8.v: older larvae
feeding
feeding image
the older larvae eat the entire needle
parasite
The communal larve live freely on the previous year’s needles.
host plants
Pinaceae, monophagous
Pinus cembra, densiflora, mugo, nigra, pumila, sibirica, sylvestris, thunbergii.
phenology
Univoltine; hibernation as egg.
distribution within Europe
larva
pupa
notes
Important defoliator in sylviculture.
references
Benson (1961a), Kofler & Schedl (2010a), Meshkova, Nazarenko & Kolienkina (2019a), Pschorn-Walcher & Altenhofer (2000a), Savina, Liston, Boevé, ao (2013a), Schedl (1975a, 1976a), Taeger, Altenhofer, Blank, ao (1998a).