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Dennis Haugen's Images

Country: United States
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35 Images of 8 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
1393032 Sirex woodwasp Sirex noctilio Life cycle of sirex nematode, Deladenus siricidicola (from Bedding 1972).
1393030 Sirex woodwasp Sirex noctilio Cambial staining by sirex fungus (Amylostereum areolatum). South Australia. June 1988
1393074 Moreton Bay pine Araucaria cunninghamii
1393076 bunya pine Araucaria bidwillii
1393118 bunya pine Araucaria bidwillii
1393119 bunya pine Araucaria bidwillii
1393031 Sirex woodwasp Sirex noctilio 66% tree morality in 13-year old plantation. Mount Gambier, South Australia. May 1988.
1393028 Sirex woodwasp Sirex noctilio World distribution -- in 2000
1393029 Sirex woodwasp Sirex noctilio Resin dribbles from oviposition wounds -- 14-year old tree in South Australia. June 1988.
1393194 Monterey pine Pinus radiata Thinned stand. 24 years old.
1393195 parana pine Araucaria angustifolia
1393075 bunya pine Araucaria bidwillii
1393121 Moreton Bay pine Araucaria cunninghamii
1393040 eastern fivespined ips Ips grandicollis Adults in gallery
1393019 Sirex woodwasp Sirex noctilio Round exit holes vary from 1/8 to 3/8" in diameter. South Australia - Sept 1987.
1393018 Sirex woodwasp Sirex noctilio Green needles reflex after attack in response to mucus injection. South Australia - Sept 1987.
1393042 eastern fivespined ips Ips grandicollis
1393191 Monterey pine Pinus radiata 54 years old
1393196 parana pine Araucaria angustifolia
1393197 parana pine Araucaria angustifolia
1393041 eastern fivespined ips Ips grandicollis
1393120 Moreton Bay pine Araucaria cunninghamii
1393193 Monterey pine Pinus radiata Unthinned stand. 15 years old
1393190 Monterey pine Pinus radiata Thinned stand. 25 years old.
1393024 Sirex parasite Schlettererius cinctipes Native to North America. Released and established in Australia for biological control of Sirex noctilio.
1393025 Sirex woodwasp Sirex noctilio Applying the parasitic nematode into a sirex-infested tree.
1393026 Sirex woodwasp Sirex noctilio Trap tree plot in a 15-year old plantation in South Australia. For survey and/or for release site of biological control agents. March 1987
1393027 Sirex woodwasp Sirex noctilio 80-90% tree mortality in a 15-year old plantation from a sirex outbreak. South Australia - November 1989
1393020 Sirex woodwasp Sirex noctilio Larval galleries in board sawn from a sirex-infested tree.
1393021 Sirex woodwasp Sirex noctilio Nematode inoculation in South Australia - Aug 1987
1393022 Sirex woodwasp Sirex noctilio Silvicultural control by on-time thinning in a 13-yr old plantation in South Australia. No mortality in thinned section (top right corner). 68% mortality in other seection.
1393023 Sirex woodwasp Sirex noctilio Cambial staining by sirex fungus (Amylostereum areolatum)
1393017 Sirex woodwasp Sirex noctilio larva in gallery with tightly compacted frass. South Australia - Sept 1987
1393185 Monterey pine Pinus radiata
1393186 pruning (general) Low pruning of break trees

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