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Jul 4, 2020

Publications Archive

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2015 1 January, 2015
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Topics: Tent caterpillars, crane flies, yellowing lawns, and spruce aphids.
2015 1 Topics: Tent caterpillars, crane flies, yellowing lawns, and spruce aphids.
2013 4 April, 2013
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Topics: Resources for science backed Integrated Pest Management (IPM) and pesticide information for the home gardener as well as professionals. Includes brief descriptions of each resource.
2013 4 Topics: Resources for science backed Integrated Pest Management (IPM) and pesticide information for the home gardener as well as professionals. Includes brief descriptions of each resource.
2012 4 April, 2012
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Topics: Spring and wet weather issues — Cherry laurel shot-hole, yellowing lawns, lecanium scales, and rust on roses.
2012 4 Topics: Spring and wet weather issues — Cherry laurel shot-hole, yellowing lawns, lecanium scales, and rust on roses.
2010 4 April, 2010
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Topics: Why fruit trees fail to bear fruit — Lack of pollination, spotted wing drosophila, apple anthracnose, tent caterpillars covered. Brown rot of stone fruits and WSU Snohomish County Extension website for pest and garden resources.
2010 4 Topics: Why fruit trees fail to bear fruit — Lack of pollination, spotted wing drosophila, apple anthracnose, tent caterpillars covered. Brown rot of stone fruits and WSU Snohomish County Extension website for pest and garden resources.
2008 4 April, 2008
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Topics: The initial edition of the online “Bugs and Blights” newsletter, with information/links on season appropriate content — Tent caterpillars, apple ermine moth, cherry brown rot, blossom blight, fruit rot and their hosts.
2008 4 Topics: The initial edition of the online “Bugs and Blights” newsletter, with information/links on season appropriate content — Tent caterpillars, apple ermine moth, cherry brown rot, blossom blight, fruit rot and their hosts.
2020 5 May, 2020
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Topics: Carpenter ants (winged, worker, queen), hemlock woolly adelgid, balsam woolly adelgid, apple anthracnose, alder flea beetles, azalea sawfly, daylily gall midge. Includes relevant links to further info
2020 5 Topics: Carpenter ants (winged, worker, queen), hemlock woolly adelgid, balsam woolly adelgid, apple anthracnose, alder flea beetles, azalea sawfly, daylily gall midge. Includes relevant links to further info
2020 5 May, 2020
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Topics: Elderberry borer beetle, Ellychnia beetle, root-weevil larva, imported currant worm eggs & larva (sawfly), yellow rust on raspberries, burr knot on apple. Includes relevant links to further info
2020 5 Topics: Elderberry borer beetle, Ellychnia beetle, root-weevil larva, imported currant worm eggs & larva (sawfly), yellow rust on raspberries, burr knot on apple. Includes relevant links to further info
2014 5 May, 2014
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Topics: Lily leaf beetles, tent caterpillars, viburnum leaf beetle, cutworms, natural pesticides.
2014 5 Topics: Lily leaf beetles, tent caterpillars, viburnum leaf beetle, cutworms, natural pesticides.
2012 5 May, 2012
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Topics: Beneficial insects: millipedes, banded alder borer, bumblebee, soldier beetle, daddy long-legs, parasitic wasps, true bugs, and fireless firefly.
2012 5 Topics: Beneficial insects: millipedes, banded alder borer, bumblebee, soldier beetle, daddy long-legs, parasitic wasps, true bugs, and fireless firefly.
2010 5 May, 2010
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Topics: Brown rot on flowering plum, quince, almond, cherry and apple. Three types of spring tent caterpillars — silver-spotted tiger moth, western tent caterpillars, and apple ermine moth. Brief description of WSU website Hortsense. Brief biography of emeritus faculty (as of July 2017) Sharon Collman.
2010 5 Topics: Brown rot on flowering plum, quince, almond, cherry and apple. Three types of spring tent caterpillars — silver-spotted tiger moth, western tent caterpillars, and apple ermine moth. Brief description of WSU website Hortsense. Brief biography of emeritus faculty (as of July 2017) Sharon Collman.
2014 4 April, 2014
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Topics: Target the pest, protect the rest! — Red lily leaf beetle, tent caterpillars, freeze damage, pesticide cautions, blueberry bud stages.
2014 4 Topics: Target the pest, protect the rest! — Red lily leaf beetle, tent caterpillars, freeze damage, pesticide cautions, blueberry bud stages.
2015 4 April, 2015
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Topics: Currant sawflies, lily leaf beetles, coral spot, European chafer, rust on roses, and sequoia pitch moth.
2015 4 Topics: Currant sawflies, lily leaf beetles, coral spot, European chafer, rust on roses, and sequoia pitch moth.
2014 1 January, 2014
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Topics: Pesticide licensing, IPM classes, caterpillars, diagnostic books, yellowing lawns and spruce aphids
2014 1 Topics: Pesticide licensing, IPM classes, caterpillars, diagnostic books, yellowing lawns and spruce aphids
2013 1 January, 2013
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Topics: Organizing Bugs & Blights info by month, stink bugs: brown marmorated, native species, Conchuela, red cross stink bugs and proboscis for sucking plant juices.
2013 1 Topics: Organizing Bugs & Blights info by month, stink bugs: brown marmorated, native species, Conchuela, red cross stink bugs and proboscis for sucking plant juices.
2011 1 January, 2011
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Topics: Freeze damage — Lack of leaf drop, hardiness in plants, a list of symptoms stemming from winter freeze: bark split and branch dieback, southwest disease on trunk, root and branch die-back, shriveled and damaged leaves in spring, blossom delay.
2011 1 Topics: Freeze damage — Lack of leaf drop, hardiness in plants, a list of symptoms stemming from winter freeze: bark split and branch dieback, southwest disease on trunk, root and branch die-back, shriveled and damaged leaves in spring, blossom delay.
2014 2 February, 2014
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Topics: Effects of winter temperature fluctuations on insects and pests — tent caterpillars, slugs, snails, hemlock wooly adelgid, fleas, and flies.
2014 2 Topics: Effects of winter temperature fluctuations on insects and pests — tent caterpillars, slugs, snails, hemlock wooly adelgid, fleas, and flies.
2013 2 February, 2013
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Topics: Insects of late winter/early spring — Weevils, pollinators and springtails.
2013 2 Topics: Insects of late winter/early spring — Weevils, pollinators and springtails.
2016 3 March, 2016
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Topics: Target the pest, protect the rest! — European crane fly and European chafer.
2016 3 Topics: Target the pest, protect the rest! — European crane fly and European chafer.
2014 3 March, 2014
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Topics: Basic insect groups and how to identify them — Spiders, termites, stink bugs, and beetles.
2014 3 Topics: Basic insect groups and how to identify them — Spiders, termites, stink bugs, and beetles.
2013 3 March, 2013
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Topics: The landscape professional’s role in attracting pollinators.
2013 3 Topics: The landscape professional’s role in attracting pollinators.
2012 3 March, 2012
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Topics: Stormwater pollution, hellebore leaf spot, Bergenia leaf spot, and WSU Extension Agent Don Tapio and his gardening advice newspaper column/book.
2012 3 Topics: Stormwater pollution, hellebore leaf spot, Bergenia leaf spot, and WSU Extension Agent Don Tapio and his gardening advice newspaper column/book.
2011 10 October, 2011
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Topics: Household nuisance insects: fruit flies, slugs. Late blight,
2011 10 Topics: Household nuisance insects: fruit flies, slugs. Late blight,
2014 10 October, 2014
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Topics: Stink bugs: Wanted and unwanted. Western conifer seed bugs.
2014 10 Topics: Stink bugs: Wanted and unwanted. Western conifer seed bugs.
2015 10 October, 2015
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Topics: Stink bugs: brown marmorated and native species. Boxelder bugs, grass weevils, and banded wooly bear caterpillars.
2015 10 Topics: Stink bugs: brown marmorated and native species. Boxelder bugs, grass weevils, and banded wooly bear caterpillars.
2012 9 September, 2012
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Topics: Graft incompatibility, columbine sawfly, sapsucker (woodpecker) damage to trees, and information on the Snohomish County WSU Extension program Growing Groceries, which teaches gardening methods to those wanting to start community, food bank or family gardens.
2012 9 Topics: Graft incompatibility, columbine sawfly, sapsucker (woodpecker) damage to trees, and information on the Snohomish County WSU Extension program Growing Groceries, which teaches gardening methods to those wanting to start community, food bank or family gardens.
2015 9 September, 2015
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Topics: Drought stress symptoms in plants, and amending soil for better water absorption.
2015 9 Topics: Drought stress symptoms in plants, and amending soil for better water absorption.
2010 10 October, 2010
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Topics: The symbiotic relationship between yellow-jacket nests and carpet beetles. Information on yellow-jackets, bald-faced hornets, paper wasps, mud daubers, differences in nests and bed bugs.
2010 10 Topics: The symbiotic relationship between yellow-jacket nests and carpet beetles. Information on yellow-jackets, bald-faced hornets, paper wasps, mud daubers, differences in nests and bed bugs.
1985 10 October, 1985
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Topics: Pests of Apple Fruit: Apple scab, bull’s eye rot, russetting, apple maggot, San Jose scale, coddling moth, rosy apple aphid, bitter rot, apple anthracnose, pandemis leaf roller, leaf rollers & cutworms, bird injury and fruit drop. Learn the differences between signs and symptoms of these apple problems.
1985 10 Topics: Pests of Apple Fruit: Apple scab, bull’s eye rot, russetting, apple maggot, San Jose scale, coddling moth, rosy apple aphid, bitter rot, apple anthracnose, pandemis leaf roller, leaf rollers & cutworms, bird injury and fruit drop. Learn the differences between signs and symptoms of these apple problems.
2015 11 November, 2015
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Topics: Common landscape insects: European chafer, Japanese beetle, brown marmorated stink bug, and western conifer seed bug.
2015 11 Topics: Common landscape insects: European chafer, Japanese beetle, brown marmorated stink bug, and western conifer seed bug.
2013 11 November, 2013
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2013 11 Topics:
2010 12 December, 2010
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Topics: Winter pests in the orchard: tent caterpillars, aphids, lecanium scale, oystershell scales, and San Jose scale.
2010 12 Topics: Winter pests in the orchard: tent caterpillars, aphids, lecanium scale, oystershell scales, and San Jose scale.
2013 10 October, 2013
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Topics: Expanding on the purpose of Bugs & Blights: information resulting in correct diagnosis leading to resources that provide safe and effective monitoring and management options, potentially reducing unnecessary pesticide applications and decreasing the resulting damage to our waters, pollinators, and environment. Pest management resources for more info.
2013 10 Topics: Expanding on the purpose of Bugs & Blights: information resulting in correct diagnosis leading to resources that provide safe and effective monitoring and management options, potentially reducing unnecessary pesticide applications and decreasing the resulting damage to our waters, pollinators, and environment. Pest management resources for more info.
2012 10 October, 2012
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Topics: A primer on slugs and snails: Learn basics on their biology and behavior, where to find them and information on bait.
2012 10 Topics: A primer on slugs and snails: Learn basics on their biology and behavior, where to find them and information on bait.
2010 8 August, 2010
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Topics: Sirococcus shoot blight, apple leaf curl midge, green alder sawfly, woods weevil complex, and WSDA Pesticide License study materials (publications).
2010 8 Topics: Sirococcus shoot blight, apple leaf curl midge, green alder sawfly, woods weevil complex, and WSDA Pesticide License study materials (publications).
2011 8 August, 2011
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Topics: Fruit drop, lack of pollination, cold temperatures and information about the Pacific Northwest Insect Management Handbook.
2011 8 Topics: Fruit drop, lack of pollination, cold temperatures and information about the Pacific Northwest Insect Management Handbook.
2012 8 August, 2012
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Topics: Red lily leaf beetle, fall webworm, columbine sawfly, pesticide usage/label laws and Bugs & Blights blog.
2012 8 Topics: Red lily leaf beetle, fall webworm, columbine sawfly, pesticide usage/label laws and Bugs & Blights blog.
2010 5 May, 2010
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Topics: Fruit related issues: Green apple aphids, rosy apple aphid, lecanium scale, spotted wing drosophila, apple leaf curling midge, black cherry aphids, beneficial insects, and apple scab.
2010 5 Topics: Fruit related issues: Green apple aphids, rosy apple aphid, lecanium scale, spotted wing drosophila, apple leaf curling midge, black cherry aphids, beneficial insects, and apple scab.
2020 6 June, 2020
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Topics: Coreopsis beetle (tickseed beetle) adult & eggs, ladybeetle stages, sequoia pitch moth, cinnabar moth and rose rust. Includes links to additional info.
2020 6 Topics: Coreopsis beetle (tickseed beetle) adult & eggs, ladybeetle stages, sequoia pitch moth, cinnabar moth and rose rust. Includes links to additional info.
2015 6 June, 2015
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Topics: Lace bugs, azalea lace bug.
2015 6 Topics: Lace bugs, azalea lace bug.
2014 6 June, 2014
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2014 6 Topics:
2013 6 June, 2013
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Topics: Mountain ash sawfly and management options, including pruning, manual removal and pesticides. Black vine weevil.
2013 6 Topics: Mountain ash sawfly and management options, including pruning, manual removal and pesticides. Black vine weevil.
2013 6 June, 2013
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Topics: Pear and cherry slugs, Lorquin’s admiral, azalea sawfly, syrphid fly. (All references in this article to hortsense should be redirected to the updated site: hortsense.wsu.edu)
2013 6 Topics: Pear and cherry slugs, Lorquin’s admiral, azalea sawfly, syrphid fly. (All references in this article to hortsense should be redirected to the updated site: hortsense.wsu.edu)
2012 6 June, 2012
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Topics: Sawflies, new and native species — Dogwood sawfly, azalea sawfly, pear or cherry slug, willow sawflies, and currantworm.
2012 6 Topics: Sawflies, new and native species — Dogwood sawfly, azalea sawfly, pear or cherry slug, willow sawflies, and currantworm.
2014 7 July, 2014
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Topics: Target the pest, protect the rest! — Pesticide storage, squirrel damage, cottony camellia scale, and lady beetle/ladybug larvae.
2014 7 Topics: Target the pest, protect the rest! — Pesticide storage, squirrel damage, cottony camellia scale, and lady beetle/ladybug larvae.
2013 7 July, 2013
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Topics: Flea beetle and leaf beetle larvae, otherwise known as rose slugs (rose slug, bristly rose slug, curled rose slug, leaf beetle instars), pear-leaf roll midge and related damage.
2013 7 Topics: Flea beetle and leaf beetle larvae, otherwise known as rose slugs (rose slug, bristly rose slug, curled rose slug, leaf beetle instars), pear-leaf roll midge and related damage.
2012 7 July, 2012
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2012 7 Topics:
2011 7 July, 2011
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Topics: Heuchera rust, potato flea beetles, sawfly stages (focusing on currant sawfly), and related damage.
2011 7 Topics: Heuchera rust, potato flea beetles, sawfly stages (focusing on currant sawfly), and related damage.
2014 8 August, 2014
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Topics: Target the pest, protect the rest! — Bees vs. Wasps and pesticides.
2014 8 Topics: Target the pest, protect the rest! — Bees vs. Wasps and pesticides.
2014 1 January, 2014
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Topics: Pine tree damage: uniform freeze damage, random disease damage, needle disease, random branch damage, sequoia pitch moth, western gall rust.
2014 1 Topics: Pine tree damage: uniform freeze damage, random disease damage, needle disease, random branch damage, sequoia pitch moth, western gall rust.
2014 1 January, 2014
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Topics: Pioneer Award by WSNLA “Honoring Innovation and Enduring Contributions within the Green Industry” – Recipient/Extension Educator: Sharon J. Collman
2014 1 Topics: Pioneer Award by WSNLA “Honoring Innovation and Enduring Contributions within the Green Industry” – Recipient/Extension Educator: Sharon J. Collman
2020 6 June, 2020
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Topics: Cold damage to vegetable starts, Sirococcus blight on conifers, garden symphylan, wireworms (click beetle larva), downy mildew vs. powdery mildew, identifying hail damage, European chafer (larvae and adult beetle). Includes relevant links to additional info.
2020 6 Topics: Cold damage to vegetable starts, Sirococcus blight on conifers, garden symphylan, wireworms (click beetle larva), downy mildew vs. powdery mildew, identifying hail damage, European chafer (larvae and adult beetle). Includes relevant links to additional info.