Utah Plant Pest Diagnostic Lab

Arthropod Samples in September 2011

Hobo Spider (Agelenidae)

Scientific Name: Tegenaria agrestis

hobo eggs

hobo spider

Photo(s): Video and photos by Ryan Davis, Utah State University.

Type: Biting/Beneficial

Host: Various insects

County: Cache

Fact Sheets: Utah State University Extension


Snakefly (Rhaphidoptera)

Scientific Name: N/A

snake fly

snake fly

Photo(s): Photo on left taken at Red Butte Gardens, Larvae below found in home in SLC

Type: Predatory Insect/Beneficial

Situation: Various insects

County: Salt Lake County

Fact Sheets: Washington State University


Springtail (Collembola)

Scientific Name: N/A

springtail

springtail

Photo(s): (Left) Springtail with extended furcula, Jared Kunz, Utah State University; (Right) Springtails crawling through the soil, Joseph Berger, Bugwood.org.

Type: Tiny Nuisance

Situation: In home

County: Salt Lake

Fact Sheets: Colorado State University; University of California IPM


Black Carpet Beetle (Dermestidae)

Scientific Name: Attagenus unicolor

black carpet beetle

Photo(s): Black carpet beetle, adult (top) and larvae (bot) Clemson University USDA Cooperative Extension Slide Series.

Type: Household pest

Situation: Found in home

County: Davis

Fact Sheets: Colorado State University; University of California IPM


Snowy Tree Cricket (Gryllidae)

Scientific Name: Oecanthus sp.

snowy tree cricket

snowy tree cricket

Photo(s): Female and Male (Joel Smith Utah State University)

Type: Beneficial & Minor pest

Host: Variety of insects

Fact Sheets: University of Florida


Bot Fly (Oestridae)

Scientific Name: Cuterebra sp.

bot fly

bot fly

bot fly

bot fly

Photo(s): (Second from Right) with eggs, Joel Smith, Utah State University.

Type: Parasitic pest

Host: Small mammals

Fact Sheets: North Carolina State University


Noctuid Larvae (Noctuidae)

Scientific Name: N/A

cutworm

cutworm

Photo(s): Joel Smith, Utah State University.

Type: Garden pest/turf (Larvae are "cutworms" that feed on leafy green plants such as lettuce)

Situation: Found in soil (early spring)

County: Cache/ Davis

Fact Sheets: Utah State University Extension


White Grub May/June Beetle (Scarabaeidae)

Scientific Name: Phyllophaga sp.

may/june beetle

may/june beetle

may/june beetle

Photo(s): Ryan Davis, Utah State University

Type: Vegetable pest

Situation: Porch Light

County: Cache

Fact Sheets: Utah State University Extension; University of Minnesota


Seed Bug (Lygaeidae)

Scientific Name: Xyonysius sp.

seed bug

Photo(s): Joel Smith USU

Type:plant pest- feeds on seeds, dry fruit, and other plant juices

Situation: Found on Field (pepper cucurbits)

County: Grand

Fact Sheets:University of Kentucky


Stink Bug (Pentatomidae)

Scientific Name: Holcostethus sp.

stink bug

Photo(s): Adult Holcostethus sp, Jared Kunz, Utah State University.

Type: Plant pest

Situation: In garden

County: Carbon

Fact Sheets: Utah State University Newsletter; Utah State University; University of California IPM


Banded Orb Weaver (Araneidae)

Scientific Name: Argiope trifasciata

banded orb weaver

banded orb weaver

banded orb weaver

Photo(s): David Cappaert, Michigan State University, Bugwood.org; Dani Barchana, Bugwood.org; Whitney Cranshaw, Colorado State University, Bugwood.org

Type: Beneficial, not harmful to humans

Situation: In house

County: Cache

Fact Sheets: Utah State University


Midge fly (Chironomidae)

Scientific Name: N/A

midge fly

Photo(s): Joseph Berger, Bugwood.org

Type: Non-biting Midge

Situation: In Home

County: Grand

Fact Sheets: University of Missouri


Root Weevil: (Curculionidae)

Scientific Name: Otiorhynchus spp.

root weevil

root weevil

Photo(s): Rocky Mountain Weevil larvae, Whitney Cranshaw, Colorado State University, Bugwood.org.

Type: Fruit/ornamental pest

Situation: In home

County: Cache

Fact Sheets: Colorado State University; University of California IPM


Camel Crickets (Rhaphidophoridae)

Scientific Name: N/A.

camel cricket

Photo(s): Clemson University - USDA Cooperative Extension Slide Series, Bugwood.org Joel Smith USU

Type: No human/plant threat

Situation: In home, around septic tank

County: Carbon

Fact Sheets: University of Missouri


Flea Beetle (Chrysomelidae)

Scientific Name: Altica sp.

flea beetle

flea beetle

Photo(s): Western Black Flea Beetle, Whitney Cranshaw, Colorado State University, Bugwood.org; Johnny Dell, insectimages.org.

Type: Landscape plant pest

Situation: On side of home

County: Beaver

Fact Sheets: Colorado State University; ATTRA(organic); University of Minnesota


Blister Mites (Eriophyidae)

Scientific Name: N/A

blister mites

blister mites

blister mites

Photo(s): Damage from blister mites, Whitney Cranshaw, Colorado State University, Bugwood.org; Two photos: Mites on Apple leaf, Ryan Davis, Utah State University

Type: Fruit and Leaf-damaging pest

Situation: On Pear

County: Washington

Fact Sheets: Utah State University Extension


Spider Mites (Tetranychidae)

Scientific Name: N/A

spider mite

spider mite

spider mite

spider mite

Photo(s): Milan Zubrik, Forest Research Institute- Slovakia, Bugwood.org; John A. Weidhass, Virginia Polytechnic Institute and State University, Bugwood.org; Ryan Davis, Utah State University

Type: Plant Pest

Situation: In building entry way

County: Salt Lake

Fact Sheets: Penn State University; Colorado State University

*Links on the page 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.