Utah Plant Pest Diagnostic Lab

Arthropod Samples in April 2012

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


Assassin Bug (Reduviidae)

Scientific Name: N/A

assassin bug

assassin bug

Photo(s): Joel Smith USU (top), Susan Ellis USDA APHIS PPQ (bottom)

Type: Insect Predator

Situation: In Home

County: Cache

Fact Sheets: Images at bugguide; Utah State University


Long-horned Beetle (Cerambycidae)

Scientific Name: Prionus sp.

long-horned beetle

long-horned beetle

long-horned beetle

Photo(s): Donald Owen, California Dept. of Forestry and Fire Protection, Bugwood.org; Steven Valley, Oregon Dept. of Agriculture, Bugwood.org; Jerry Payne, USDA Agricultural Research Service, Bugwood.org.

Type: Root-boring pest

Situation: In home

County: Lincoln (NV)

Fact Sheets: Utah State University Extension; Oklahoma State Universtiy


Crevice Weaving Spider (Filistatidae)

Scientific Name: Kukulcania sp

crevice weeving spider

crevice weeving spider

Photo(s): Edward Manigault, Clemson University Donated Collection, Bugwood.org; Sturgis McKeever, Georgia Southern University, Bugwood.org

Type: Beneficial

Situation: In home

County: Lincoln (NV)

Fact Sheets: University of Florida


Leaf Hopper (Cicadellidae)

Scientific Name: N/A

leaf hopper

Photo(s): J.L Danet, INRA Centre de Recherches de Bordeaux, Bugwood.org

Type: Plant pest

Host: N/A

County: Salt Lake

Fact Sheets: Utah State University Extension; 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


Pine Needle Scale (Diaspididae)

Scientific Name: Chionaspis pinifoliae

pineneedle scale

Photo(s): John A. Weidhass, Virginia Polytechnic Institute and State University, Bugwood.org

Type: Plant pest

Situation: On Blue Spruce

County: Cache

Fact Sheets: Colorado State University Extension; Penn State


Damsel Bug (Nabidae)

Scientific Name: N/A

damsel bug

damsel bug

damsel bug

Photo(s): Whitney Cranshaw, Colorado State University, Bugwood.org, (Three Images); Bradley Higbee, Paramount Farming, Bugwood.org

Type: Beneficial

Situation: N/A

County: Utah

Fact Sheets: Utah State University Extension; University of Wisconsin


False Chinch Bug (Lygaeidae)

Scientific Name: Nysius raphanus

chinch bug

chinch bug

Photo(s): False chinch bug adult, Whitney Cranshaw, Colorado State University, Bugwood.org; Chinch bug nymphs and adults, Whitney Cranshaw, Colorado State University, Bugwood.org.

Type: Forage and field

Situation: In Home

County: Cache

Fact Sheets: Colorado State University


Delusions of Infestation

Scientific Name: N/A

delusitory parasitosis

delusitory parasitosis

delusitory parasitosis

Photo(s): Typical sample submitted by DI sufferer, Ryan Davis, Utah State University; Samuel Abbott, Utah State University.

Type: Medical. Perceived pest bites and infection when none are present.

Situation: In Home

County: SLC

Fact Sheets: Utah State University Extension


White Pine Weevil (Curculionidae)

Scientific Name: Pissodes strobi

white pine weevil

white pine weevil

white pine weevil

white pine weevil

white pine weevil

white pine weevil

white pine weevil

white pine weevil

Photo(s): Samuel Abbott, Utah State University

Type: Boring, tree pest.

Situation: On spruce tree

County: Summit

Fact Sheets: Colorado State University Extension; University of Idaho


Wolf Spider (Lyxosidae)

Scientific Name: N/A

wolf spider

wolf spider

wolf spider

Photo(s): Adult wolf spider carrying her young, Circumjacence, Wikipedia.org.(Middle) Characteristic eight eye pattern, Jared Kunz, Utah State University; Wolf spider, Eugene E. Nelson, Bugwood.org;

Type: Biting/Beneficial

Situation: Found in home

County: Wayne

Fact Sheets: University of California IPM; Colorado State University Extension


Grass Spider (Agelenidae)

Scientific Name: N/A

grass spider

grass spider

grass spider

Photo(s): Samuel Abbott, Utah State University

Type: Non-medical, Beneficial

Situation: Found in home

County: Cache

Fact Sheets: University of Kentucky; Penn State; bugguide images


Rocky Mountain Wood Tick (Ixodidae)

Scientific Name: Dermacentor andersoni

dog tick

dog tick

Photo(s): Samuel Abbott, Utah State University

Type: Feeds on humans, dogs, other mammals

Situation: Found on dog in Uintas

County: Salt Lake

Fact Sheets: Colorado State University Extension


Potworm (Enchytraeidae)

Scientific Name: N/A

For photos click HERE

Type: Beneficial - help break down organic matter in soil.

Situation: N/A

County: Cache

Fact Sheets: Iowa State University; Purdue University


Banks Grass Mite (Tetranychidae)

Scientific Name: N/A

grass mite

grass mite

grass mite

grass mite

Photo(s): Samuel Abbott, Utah State University

Type: Plant pest, can wipe out an entire lawn

Situation: Found on Kentucky Bluegrass

County: Cache

Fact Sheets:Utah State University; Colorado State University; University of Wyoming


Pavement Ant (Formicidae)

Scientific Name: Tetramorium caespitum

pavement ant

Photo(s): Samuel Abbott, Utah State University

Type: Nuisance

Situation: Found in home

County: Cache

Fact Sheets:Penn State University; University of California IPM; Image at Antweb.org


Sod Webworm (Crambidae)

Scientific Name: Crambus sp.

sod webworm

sod webworm

sod webworm

Photo(s): Samuel Abbott, Utah State University

Type: Grass pest, feeds on turf and can cause a lot of damage

Situation: On turf grass

County: Salt lake

Fact Sheets:Utah State University; University of California IPM


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


Aphid (Aphidae)

Scientific Name: N/A

aphid

aphid

aphid

aphid

Photo(s): Adult aphid, David Cappaert, Michigan State University, Bugwood.org; Ryan Davis, Utah State University

Type: Fruit/ornamental plant pest

Situation: In yard

County: Box Elder

Fact Sheets: Utah State University(Alfalfa); Utah State University(Wheat); Colorado State University


Goji Berry Gall Mites (Eriophyidae)

Scientific Name: Aceria tjyingi

berry gall mite

berry gall mite

Photo(s): USDA Agricultural Research Station, Bugwood.org, Whitney Cranshaw, Colorado State University, Bugwood.org

Situation: On goji berry

County: Cache

Fact Sheets: University of California IPM; University of Wisconsin; Missoula Co. Extension Office

*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.