Hemlock sawfly.

The Larch sawfly /
Published: (2001)

Sawfly life history adaptations to woody plants /
Published: (1993)

Redheaded pine sawfly /
by: Wilson, Louis F.
Published: (1978)

Alder-feeding sawflies of Alaska /
Published: (2012)

Western hemlock /
by: Cahill, James M.
Published: (1984)

The Virginia pine sawfly in 1960 : a special cooperative report /
by: McIntyre, T., et al.
Published: (1961)

The Virginia pine sawfly outbreak 1955-1959 /
by: McIntyre, Thomas
Published: (1960)

The introduced pine sawfly, a defoliator of white pine new to North Carolina /
by: Drooz, Arnold Thomas, 1921-
Published: (1979)

Hemlock dwarf mistletoe /
by: Hennon, Paul E.
Published: (2001)

Black hemlock.
Published: (1908)

Western hemlock.
Published: (1902)

Mountain pine beetle /
by: Gibson, Kenneth E. (Kenneth Edward), 1943-, et al.
Published: (2009)

Development and emergence of Monodontomerus dentipes Dalman, a parasite of pine sawflies /
by: Fedde, Vicki H.
Published: (1975)

Xylem transport models optimize effectiveness of systemic insecticide applications for controlling hemlock woolly adelgid (Adelges tsugae) /
by: Ford, Chelcy R.
Published: (2010)

Xylem transport models optimize effectiveness of systemic insecticide applications for controlling hemlock woolly adelgid (Adelges tsugae) /
by: Ford, Chelcy R.
Published: (2010)

Observations on the diseases, defects, and injuries in all kinds of fruit and forest trees : With an account of a particular method of cure invented and practised by William Forsyth, gardener to His Majesty, at Kensington.
by: Forsyth, William, 1737-1804
Published: (1791)

Observations on the diseases, defects, and injuries in all kinds of fruit and forest trees : With an account of a particular method of cure invented and practised by William Forsyth, gardener to His Majesty, at Kensington.
by: Forsyth, William, 1737-1804
Published: (1791)

Influence of family and nitrogen fertilizer on growth and nutrition of Western Hemlock seedlings /
by: Radwan, M. A., 1926-
Published: (1990)

Hemlock dwarf mistletoe.
Published: (1983)

The comparative internal larval anatomy of sawflies (Hymenoptera: Symphyta).
by: Maxwell, Doreen E.
Published: (1955)

Implementation and status of biological control of the hemlock woolly adelgid /
Published: (2011)

Implementation and status of biological control of the hemlock woolly adelgid /
Published: (2011)

Sawflies of Baikal region = Pililshchiki Pribaikalya /
by: Verzhutskii, Boris Nikolaevich
Published: (1978)

Douglas-fir tussock moth /
by: Pederson, Lee (Entomologist)
Published: (2020)

Tenthredinoidea of south-eastern Asia /
by: Malaise, René Edmond, 1892-1978
Published: (1945)

Eastern hemlock forests : guidelines to minimize the impacts of hemlock woolly adelgid /
by: Ward, Jeffrey S.
Published: (2004)

Eastern hemlock forests : guidelines to minimize the impacts of hemlock woolly adelgid /
by: Ward, Jeffrey S.
Published: (2004)

Insects injurious to forest and shade trees.
Published: (1881)

Growth and yield of western hemlock in the Pacific Northwest following thinning near the time of initial crown closing /
by: Hoyer, Gerald E.
Published: (1986)

Field guide for managing poison hemlock in the Southwest.
Published: (2017)

The western hemlock /
by: Allen, E. T. (Edward Tyson), 1875-1942
Published: (1902)

Douglas-fir beetle /
by: Furniss, Malcolm M., et al.
Published: (2014)

Fuel particle diameters of western hemlock slash /
by: Bevins, Collin D.
Published: (1978)

Die Larvalsystematik der Blattwespen, Tenthredinoidea und Megalodontoidea /
by: Lorenz, Herbert
Published: (1957)

Guide to isolation of Lecanosticta acicola, the causal agent of brown spot needle blight of pines /
by: Dreaden, Tyler
Published: (2024)

Sirococcus shoot blight damage to western hemlock regeneration at Thomas Bay, Alaska /
by: Wicker, Ed F.
Published: (1978)