Utah Plant Pest Diagnostic Lab
Arthropod Samples in September 2011
Hobo Spider (Agelenidae)
Scientific Name: Tegenaria agrestis
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
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
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
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.
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.
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
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.
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.
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.
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
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
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.
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.
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.
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
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
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