Neodiprion sertifer (Geoffroy, 1785)

european pine sawfly

on Pinus

Neodiprion sertifer: eggs on Pinus nigra

Pinus nigra, Hongarije, Mosonmagyaróvár, 9.iv.2017 © László Érsek: eggs are deposited in a row in a needle

Neodiprion sertifer: eggs on Pinus nigra

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

Neodiprion sertifer: first day larva

one day old larva.

Neodiprion sertifer: young larvae

25.iv: young larvae

Neodiprion sertifer: young larvae

the young larvae consume only the outer layer of the needles

Neodiprion sertifer: older larvae

8.v: older larvae

Neodiprion sertifer: older larva

feeding

Neodiprion sertifer: damage

feeding image

Neodiprion sertifer: damage

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, mugo, nigra, sylvestris.

phenology

Univoltine; hibernation as egg.

distribution within Europe

(PESI, 2020).

larva

pupa

notes

Important defoliator in sylviculture.

references

Benson (1961a), Meshkova, Nazarenko & Kolienkina (2019a), Pschorn-Walcher & Altenhofer (2000a), Savina, Liston, Boevé, ao (2013a), Schedl (1975a).

mod 6.iv.2020