responding to horticulture inquiries-2017
TRANSCRIPT
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University of Wisconsin–MadisonInsect Diagnostic Lab
2017 Plant Insect Updateand Other Insects You Might Bump Into
PJ LieschUW-Madison
Insect Diagnostic [email protected]
@WiBugGuy
labs.russell.wisc.edu/insectlab/
University of Wisconsin–MadisonInsect Diagnostic Lab
Why is Identification Important?§ Know thy enemy
§ Know the insect know the biology & management§ Understand the damage and potential impacts
§ Part of the IPM process
§ Help discover patterns in the landscape§ Ex. Is it something new?
University of Wisconsin–MadisonInsect Diagnostic Lab
Google: “Joe Boggs Ohio State Plant Diagnosis”
ProblemwithPlant IdentifythePlant
Areinsectsinvolved?
No
Disease,Fertility,orotherIssue
Yes
Doyourecognizetheinsect(s)involved?Yes No
IdentificationComplete
CollectSamplesandInformation
DoyouhavetheresourcestoID?Yes
NoContactDiagnosticLab
University of Wisconsin–MadisonInsect Diagnostic Lab
Are Insects Involved?§ Sometimes difficult to determine
§ Two types of insect mouthparts:§ Different patterns of damage
University of Wisconsin–MadisonInsect Diagnostic Lab
Insect Mouthparts
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University of Wisconsin–MadisonInsect Diagnostic Lab
Insects with Chewing MouthpartsJapanese Beetle
Imported Willow Leaf Beetle Gypsy Moth
Eastern Tent Caterpillar
Rose Slug Sawfly
University of Wisconsin–MadisonInsect Diagnostic Lab
Tatters
University of Wisconsin–MadisonInsect Diagnostic Lab
“Hard-to-Find” Cases: Borers
Bronze Birch Borer
Two Lined Chestnut Borer
Emerald Ash Borer
University of Wisconsin–MadisonInsect Diagnostic Lab
Insects with Sucking Mouthparts
Honeylocust Plant Bug
Lace Bugs
Four Lined Plant Bugs
Aphids
University of Wisconsin–MadisonInsect Diagnostic Lab
“Hard-to-Understand” Cases: Galls
University of Wisconsin–MadisonInsect Diagnostic Lab
Diseases and other Disorders
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University of Wisconsin–MadisonInsect Diagnostic Lab
Collecting Samples§ Physical samples
§ Insects§ Plant materials
§ Digital Samples§ Images
§ Other clues§ Plant species/cultivar, site conditions, site history, etc.§ Record in notebook / on data form
University of Wisconsin–MadisonInsect Diagnostic Lab
How to Properly Collect Physical Samples
§ Collect multiple specimens (if possible)
§ Hard-bodied insects § Place into small container w/padding
§ Soft-bodied insects§ Place into container with alcohol§ 60-70% ethanol (ideal)§ Hand sanitizer, rubbing alcohol (ok)
§ Identify as soon as possible
University of Wisconsin–MadisonInsect Diagnostic Lab
Things You Shouldn’t Do:§ Place several types of live insects per container
§ Place soft-bodied insects into vials w/o alcohol
§ Place onto tape
§ If mailing: place directly into envelope
University of Wisconsin–MadisonInsect Diagnostic Lab
Submitting Samples
labs.russell.wisc.edu/insectlab/
Digital Samples:[email protected]
Physical Samples:See website
University of Wisconsin–MadisonInsect Diagnostic Lab
Unless requested to directly contact the client, I will respond to submitter:• UWEX office/agent• Hort Help Desk
• Response is typically a phone call/email; can create written letter if requested
University of Wisconsin–MadisonInsect Diagnostic Lab
Digital Samples§ Use best photography equipment available
§ Use as much magnification as possible
§ Take several photographs§ Different angles, magnification, upper & lower surfaces§ Include a size reference (if possible)§ Take one of entire plant & surrounding area
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University of Wisconsin–MadisonInsect Diagnostic Lab
Other Clues:
Get a glimpse of the “bigger picture”
University of Wisconsin–MadisonInsect Diagnostic Lab
labs.russell.wisc.edu/insectid/
University of Wisconsin–MadisonInsect Diagnostic Lab
Resources§ 500+ pages
§ Image RICH
§ Covers garden AND landscape pests
§ Cost ($)
University of Wisconsin–MadisonInsect Diagnostic Lab
Resources
hort.uwex.edu
University of Wisconsin–MadisonInsect Diagnostic Lab
What’s in Store for 2017?
University of Wisconsin–MadisonInsect Diagnostic Lab
Medically Important Arthropods
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University of Wisconsin–MadisonInsect Diagnostic Lab
Mosquitoes
§ High mosquito pressure in June/July/August of 2016§ Above Average Rainfall
§ Mosquitoes in 2017?
§ Zika Virus?
University of Wisconsin–MadisonInsect Diagnostic Lab
Ticks§ 2014 & 2015: high levels of tick activity§ 2016: lower tick activity; why?…§ 2017: tick forecast?
University of Wisconsin–MadisonInsect Diagnostic Lab
Tickencounter.org
Great Info on:§ Tick ID§ Tick Testing§ Etc.
University of Wisconsin–MadisonInsect Diagnostic Lab
Bird Mites
University of Wisconsin–MadisonInsect Diagnostic Lab
A Quartet of Cimicids
University of Wisconsin–MadisonInsect Diagnostic Lab
Bed Bugs vs Bat Bugs§ ID critical for management!
Bat Bug
Bed Bug
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University of Wisconsin–MadisonInsect Diagnostic Lab
University of Wisconsin–MadisonInsect Diagnostic Lab
Household Insects
University of Wisconsin–MadisonInsect Diagnostic Lab
Box Elder Bugs
§ Populations have generally been low for several years
§ Killed by fungus in rainy years
§ BUT, high numbers reported in 2016 in many spots!
University of Wisconsin–MadisonInsect Diagnostic Lab
Multicolored Asian Lady Beetles
University of Wisconsin–MadisonInsect Diagnostic Lab
Summer Ants
Pavement Ants
Odorous House Ant
Carpenter Ants
University of Wisconsin–MadisonInsect Diagnostic Lab
Home-Invading Weevils§ Many “broad-nosed” weevils common in summer§ Some species will “invade” homes
§ Strawberry Root, Imported Longhorned, etc.
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University of Wisconsin–MadisonInsect Diagnostic Lab
Foreign Grain Beetle• Common in August & September• Associated with new homes
University of Wisconsin–MadisonInsect Diagnostic Lab
Pantry Pests
SawtoothedGrain Beetles
Indian Meal Moth
University of Wisconsin–MadisonInsect Diagnostic Lab
Brown Marmorated Stink Bug
University of Wisconsin–MadisonInsect Diagnostic Lab
Brown Marmorated Stink Bug
§ First WI Find: 2010
§ 2015: 30+ reports
§ 2016: 40+ reports§ Juveniles§ Mating Adults§ Found on plants
§ 2017: 30+ reports
University of Wisconsin–MadisonInsect Diagnostic Lab
BMSB in Wisconsin
Other suspected cases:§ Green§ Door
University of Wisconsin–MadisonInsect Diagnostic Lab
Outdoor Insects
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University of Wisconsin–MadisonInsect Diagnostic Lab
Scarab BeetlesGood Year
§ Rose Chafers§ Japanese Beetles
“New” to the Scene§ Northern Masked Chafer§ European Chafer
University of Wisconsin–MadisonInsect Diagnostic Lab
§ 2014§ Record lows across WI§ Likely due to previous winter
§ 2015§ JB numbers up
. . .but still below average
§ 2016§ Mild el Niño winter§ Rebound of Japanese Beetles
§ 2017§ Numbers likely to be strong
Japanese Beetles
University of Wisconsin–MadisonInsect Diagnostic Lab
§ Invasive pest, from Asia§ Attack wide variety of fruits§ Found in WI: 2010
Spotted Wing Drosophila
University of Wisconsin–MadisonInsect Diagnostic Lab
Emerald Ash Borer
§ Exotic, Invasive Species from China§ 2008: found in WI
§ Larvae kill ash trees by feeding on vascular tissues beneath the bark
§ Trees die within 1-5+ years depending on population density
Photo Credit: David Cappaert, Michigan State University, Bugwood.org
University of Wisconsin–MadisonInsect Diagnostic Lab
Map Source: WI-DATCP
Price
Clark
Dane
Polk
Vilas
Grant
Iron
Bayfield
Rusk
Sawyer
Oneida
Marathon
Sauk
Forest
Taylor
Douglas
Iowa
Dunn
Marinette
Rock
Oconto
Wood
Dodge
Barron
Lincoln
Burnett
Jackson
Ashland
Monroe
Vernon
Juneau
Portage
Chippewa
Buffalo
Adams
Shawano
Langlade
Door
Green
Pierce
St. Croix
Washburn
Brown
Columbia
Waupaca
Lafayette
Richland
Crawford
Jefferson
Waushara
Walworth
Eau Claire
Fond du Lac
Outagamie
Florence
Manitowoc
Waukesha
Winnebago
Racine
Calumet
La Crosse
Marquette
Sheboygan
Pepin
Kenosha
Menominee
Trempealeau
Washington
Kewaunee
Green Lake
Ozaukee
Milwaukee
Quarantined County
Early 2014Sept.2016
Emerald Ash Borer in WisconsinAugust
2015
University of Wisconsin–MadisonInsect Diagnostic Lab
Municipalities with 1st EAB Detections
Year # Municipalities2008 22009 82010 12011 22012 122013 342014 392015 462016 83
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University of Wisconsin–MadisonInsect Diagnostic Lab
Two-Lined Chestnut Borer
University of Wisconsin–MadisonInsect Diagnostic Lab
GypsyMoth§ Populationsgenerallylowin2016
§ Manykilledbyentomopathogenic fungus
University of Wisconsin–MadisonInsect Diagnostic Lab
Lily Leaf Beetle
University of Wisconsin–MadisonInsect Diagnostic Lab
§ European origin§ Detected in Ontario-1945§ Detected in New England-1990’s
§ Skeletonizes Viburnums
Viburnum Leaf Beetle
University of Wisconsin–MadisonInsect Diagnostic Lab
(Two Banded) Japanese Weevil
§ Native to Japan§ In US for over 100+ years§ Adults unable to fly
University of Wisconsin–MadisonInsect Diagnostic Lab
§ Aphids and Scale Insects:
§ Can secrete honeydew§ “Raining” phenomenon
Sucking Insects
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University of Wisconsin–MadisonInsect Diagnostic Lab
Wasps and Yellowjackets
University of Wisconsin–MadisonInsect Diagnostic Lab
Questions?
Patrick (PJ) [email protected]
Twitter: @WiBugGuy
labs.russell.wisc.edu/insectlab
University of Wisconsin–MadisonInsect Diagnostic Lab
Delusory Parasitosis§ Delusory Parasitosis: belief that insects are crawling
on, biting, or burrowing in the skin, when no arthropod is involved
§ Delusion: a fixed belief; unswayed by evidence to the contrary
§ Illusion: acknowledges other explanations once they are demonstrated
University of Wisconsin–MadisonInsect Diagnostic Lab
Common Attributes of Cases:1. Older persons; females primarily affected2. Unusual/erratic behavior
§ Quitting job, discarding/burning belongings, social isolation3. Self medication/treatment; pesticide/chemical use4. Often underlying medical conditions/medication
§ Readily share details of medical conditions5. Reject other explanations, firmly state: “I’m NOT Crazy” 6. Sense of desperation: “you’re my last hope”7. Often a traumatic life event: medical, divorce, death…
University of Wisconsin–MadisonInsect Diagnostic Lab
A Typical Sample§ Usually contain multiple containers
§ Thoroughly labeled; many notes§ Specimens captured on tape/lint rollers§ Contents of vacuum bags
§ Often include images§ Can include lengthy letters/emails
University of Wisconsin–MadisonInsect Diagnostic Lab
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University of Wisconsin–MadisonInsect Diagnostic Lab
Claims about the “Insects”§ Small or invisible§ B & W; but can change colors§ Tiny “worms”; “eggs” often described beneath skin§ Able to jump or fly§ Squish or disappear when touched§ Can “infest” variety of things: people/pets/inanimate objects
§ Sufferers can often thoroughly describe life cycles, appearance§ Want to “prove” readily provide specimens
University of Wisconsin–MadisonInsect Diagnostic Lab
Most Common Physical Symptoms§ Belief that insects are infesting skin
§ Urticaria: stinging or burning sensation
§ Erythema: redness
§ Pruritis: itching
§ Parasthesia: prickling or tingling sensation
§ Dermatitis: rash
§ Formication: sensation of ants crawling
University of Wisconsin–MadisonInsect Diagnostic Lab
University of Wisconsin–MadisonInsect Diagnostic Lab
Medications and the Elderly???
12% of population; 30% of prescriptions70% OTC drugs
Average 3 medications / day; 15 per year
University of Wisconsin–MadisonInsect Diagnostic Lab
Role of the Extension Personnel§ Role is NOT to diagnose DP
§ Awareness of DP, recognize signs of DP
§ Examine specimens§ Rule out the possibility of biting arthropods
§ No insects of concern? Direct to medical professionals
§ Do NOT provide any pesticide or medical advice
University of Wisconsin–MadisonInsect Diagnostic Lab
Advice for Extension Personnel