Arthropods Diagnosed in October 2010

Arthropod (insects, spiders, mites, etc.) samples diagnosed by the Utah Plant Pest Diagnostic Lab in October 2010

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  1. Rove Beetle
  2. Cellar Spider
  3. Spruce Spider Mite
  4. Aphid
  5. Yellowjacket
  6. Midge Fly
  7. Cooley Spruce Gall Adelgid
  8. Nocturnal Velvet Ant
  9. Wolf Spider
  10. Golden Huntsman Spider
  11. Elm Leaf Beetle
  12. Hobo Spider
  13. Bold Jumping Spider

*Click on thumbnails for larger images.  


Rove Beetle (Staphylinidae)

Scientific Name: N/A

        

Photo(s)
: Ryan Davis, Utah State University; Gerald J. Lenhard, Louisiana State University, Bugwood.org; Joseph Berger, Bugwood.org.
Type: Beneficial beetle
Situation: In home
County: Salt Lake

Cellar Spider (Pholcidae)

Scientific Name: Crossopriza lyoni
    

Photo(s)
: Gary Alpert, Harvard University, Bugwood.org; Josepch Berger, Bugwood.org
Type: Beneficial 
Situation: In storage facility
County: Cache

Spruce Spider Mite (Tetranychidae)

Scientific Name: Oligonychus ununguis
    

Photo(s)
: Petr Kapitola, State Phytosanitary Institute, Bugwood.org; USDA Forest Service, Northeastern Archive, Bugwood.org
Type: Plant and tree pest
Situation: On blue spruce
County: Salt Lake

Aphids (Aphididae)


Scientific Name
: Rhopalosiphum sp. ; Hamamelistes sp.

        


Photo(s): David Cappaert, Michigan State University, Bugwood.org; Ryan Davis, Utah State University; Whitney Cranshaw, Colorado State University, Bugwood.org

Type:  Plant fluid sucking pest 

Situation: Mass flight

County: Davis/Weber

Fact Sheets:
Utah State University Extension (Apple)Utah State University Extension (Alfalfa)Colorado State University Extension

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Yellowjacket (Vespidae)


Scientific Name
: Vespula pensylvanica

        


Photo(s): (2 images) Whitney Cranshaw, Colorado State University, Bugwood.org; Jim Baker, North Carolina State University, Bugwood.org - Yellowjacket (left) and Bald-faced hornet (right)

Type:  Beneficial, stinging pest

Situation: People stung at bus stop

County: Sevier

Fact Sheets:
Utah State University Extension; University of California IPM; West Virginia University Extension 

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Midge Fly (Chironomidae)

Scientific Name: Chironomus plumosus



Photo(s)
 Joseph Berger, Bugwood.org

Type: Non-biting Midge, nuisance

Situation: Eggs ruining automotive paint after rain

County: Davis

Fact Sheets
Ohio State University;


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Cooley's Spruce Gall Adelgid (Adelgidae)


Scientific Name
: Adelgis cooleyi

    


Photo(s): Utah State University; Whitney Cranshaw, Colorado State University, Bugwood.org

Type:  Tree pest

Situation: On Blue Spruce

County: Cache

Fact Sheets:
Utah State University Extension; Colorado State University Extension

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Nocturnal Velvet Ant (Mutillidae)

Scientific Name: Odontophotopsis cassia



Photo(s)
: Johnny N. Dell, Bugwood.org
  
Type: Stinging pest, but not aggressive - parasitoid of ground-nesting bees 
Situation: In home
County: Davis

Wolf Spider (Lycosidae)


 Scientific Name: N/A
            
    

Photo(s)
: (4 images) Samuel Abbott, Utah State University; Ryan Davis, Utah State University; Whitney Cranshaw, Colorado State University, Bugwood.org
TypeBeneficial
Situation: In garage
County: Uinta

Scientific Name: Xanthogaleruca luteola

             


Photo(s):
 
Clemson University, USDA Cooperative Extension Slide Series, Bugwood.org; (2 images) Whitney Cranshaw, Colorado State University, Bugwood.org; Wiliam M. Ciesla, Forest Health Management International, Bugwood.org

Type: Tree pest

Situation: Thousands in house

County: Washington

Fact Sheets:
Colorado State University ExtensionUniversity of California IPM

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Hobo Spider (Agelenidae)


 Scientific Name: Tegenaria agrestis
        

Photo(s)
: Joel Smith, Ryan Davis, Utah State University. 
TypeBiting/Beneficial
Situation: In home
County: Cache

Bold Jumping Spider (Salticidae)


 Scientific Name: Phidippus audax
        

Photo(s)
: David Cappaert, Michigan State University, Bugwood.org; Joseph Berger, Bugwood.org
Type: Non-biting/Beneficial
Situation: In home
County: Cache

*Links in the table are not intended as authoritative sources of management information.  Established links allow users to view pictures of pests and find general biology and control information; for Utah-specific control recommendations please contact the Utah Plant Pest Diagnostic Lab @ 435-797-2435.  Pictures above are not always the exact species identified, but are representative photos of submitted samples.