The insect spends the winter as eggs deposited in pine needles. In the landscape, this pest prefers mugo and table top pines. This accidentally introduced pest is, as the name implies, native to Europe and was first found in North America in 1925 in New Jersey. The European hornet is a wasp-waisted Apocritan with a sting, not a Symphytan. European pine sawfly (continued) European pine sawfly larvae. Bird FT, 1955. Bird FT, 1953. They are often seen in pairs on individual needles. It will rarely feed on white, Austrian, Ponderosa, shortleaf and pitch pines, especially if these are intermixed with the preferred hosts. They can feed on many pines including Scotch, Eastern white, and Austrian. The European pine sawfly on the Henderson State Forest, Illinois, with notes on its biology and control. However it readily attacks Scotch, red, Jack, and Japanese pines. The European Pine Sawfly (Neodiprion sertifer) is an invasive species of sawfly known for attacking and damaging pines that they infest and lay eggs on. European pine sawfly larvae are gray-green with black heads, there is a dark gray stripe along each side of the body (see a short video of the larvae here). The European pine sawfly (EPS), Neodiprion sertifer, is a common sight on certain pines in the spring in Wisconsin. Black head and legs with gray green body with two light green and dark green or black stripes. Present May and June. Heads of sawflies vary in size, shape and sturdiness, as well as the positions of the eyes and antennae. (108) Photo: E. Bradford Walker, Vermont Department of Forests, Parks and Recreation, The Bugwood Network, University of Georgia The use of a virus disease in the biological control of the European pine sawfly, Neodiprion sertifer (Geoff.). Journal of Forestry, 53:349-362. Canadian Entomologist, 87:124-127. The European Pine sawflies are a preventable nuisance with several ways to recognize and eliminate them. Adult pine sawfly (Diprion pini) are 10mm long brown winged insects, The larvae reach up to 25mm long and are pale green in colour with a brown head and black markings. Where/When: Prefers the old needles of mugo, jack, red and Scot’s pine. Austrian, eastern white and ponderosa pines can also be attacked. Canadian Entomologist, 85:437-446. Fox-coloured sawfly (Neodiprion sertifer) is 7-9mm long and pale orange-brown. Virus diseases of sawflies. They are characterised in four head types: open head, maxapontal head, closed head and genapontal head.

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