Utah Plant Pest Diagnostic Lab

Arthropod Samples in July 2011

Balsam Twig Aphid (Aphididae)

Scientific Name: Mindarus abietinus

twig aphid

Photo(s): Balsam twig aphid on a fir. Note the curled needles that are characteristic of an aphid infestation. E. Bradford Walker, Vermont Department of Forests, Parks and Recreation, Bugwood.org

Type: Landscape ornamentals, trees, garden

Situation: Sup-alpine fir

County: Utah

Fact Sheets: Michigan State University


Tomato Hornworm/Five Spotted Hawkmoth (Sphingidae)

Scientific Name: Maduca quinquemaculata

hornworm

hornworm

Photo(s): Adult tomato hornworm, Forest & Kim Starr, Starr Environmental, Bugwood.org. Tomato hornworm larvae, William M. Ciesla, Forest Health Management International, Bugwood.org;

Type: Garden

Situation: In garden

County: Salt Lake

Fact Sheets: Colorado State University Extension; Colorado State University; Utah State University Extension; Garden Web Photos


Carpet Beetle (Dermestidae)

Scientific Name: Anthrenus sp.

carpet beetle

carpet beetle

Photo(s): Black carpet beetle adult and larvae, Clemson University, USDA Cooperative Extension Slide Series, Bugwood.org; Carpet beetle larva and shed skin, Jared Kunz, Utah State University.

Type: Stored food, structural.

Situation: In Home

County: Davis

Fact Sheets: University of Florida; Penn State; University of California IPM


Big-Eyed Bug (Geocoridae)

Scientific Name: Geocoris sp.

big eyed bug

Photo(s): Adult big-eyed bug, Jared Kunz, Utah State University.

Type: Beneficial

Situation: Alfalfa Field

County: Kane

Fact Sheets: University of California IPM; University of Arizona


Lesser Grain Borer (Bostrichidae)

Scientific Name: Rhyzopertha dominica

grain borer

grain borer

Photo(s): Lesser grain borer; Wheat eaten by lesser grain borer, Jared Kunz, Utah State University.

Type: Stored food, grain crops

Situation: Found in winter stored wheat

County: Washington

Fact Sheets: University of Kentucky; University of Florida; Purdue University


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


Leaf Beetle (Chrysomelidae)

Scientific Name: N/A

cottonwood leaf beetle

cottonwood leaf beetle

Photo(s): Cottonwood leaf beetle larvae and adult, Lacy L. Hyche, Auburn University, Bugwood.org; Cottonwood leaf beetle larvae, Jared Kunz, Utah State University.

Type: Landscape ornamentals

Situation: On Tomatoes

County: Cache

Fact Sheets: New Mexico State University; Forest Pests


Flour Beetle (Tenebrionidae)

Scientific Name: Tribolium sp

flour beetle

flour beetle

Photo(s): Ryan Davis, Utah State University

Type: Stored grain and food pests (not typically considered hive pests)

Situation: Found in beehive

County: Cache

Fact Sheets: University of Florida; Penn State


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


Horsehair Worm

Scientific Name: Phylum Nematomorphora

horsehair worm

Photo(s): 5-6 Adult horsehair worms, Ryan Davis, Utah State University

Type: Nuisance

Situation: pastureland

County: Uintah

Fact Sheets: University of Kentucky; University of Nebraska Lincoln; Oklahoma State University


Sycamore Plant Bug (Miridae)

Scientific Name: Plagiognathus albatus

sycamore bug

Photo(s): Adult sycamore plant bug, Marion Murray, Utah State University.

Type: Landscape ornamentals

Situation: Sycamore

County: Salt Lake

Fact Sheets: Utah State University Advisories


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


Dusky Sap Beetle (Nitidulidae)

Scientific Name: Carpophilus lugubris

dusky sap beetle

dusky sap beetle

Photo(s): Dusky sap beetle feeding on corn, Keith Weller, USDA Agricultural Research Service, Bugwood.org; Dusky sap beetle adult, Jared Kunz, Utah State University.

Type: Forage and field, landscape ornamentals

Situation: Apricot tree

County: Kane

Fact Sheets: North Carolina State University; Utah State University Extension


Blister Beetle (Meloidae)

Scientific Name: Epicauta fabricii

blister beetle

blister beetle

Photo(s): Adult blister beetle, Whitney Cranshaw, Colorado State University, Bugwood.org; (Right) Blister beetle adult, Ryan Davis, Utah State University.

Type: Blister beetle are highly toxic to horses if consumed in hay and can cause blisters and irritation if handled.

Situation: Alfalfa field

County: Washington

Fact Sheets: Colorado State University; University of Kentucky; University of Illinois IPM; North Dakota State University


Tamarisk Beetle (Chrysomelidae)

Scientific Name: Diorhabda elongata

tamarisk beetle

tamarisk beetle

tamarisk beetle

Photo(s): Tamarisk beetle larvae feeding on invasive tamarisk, Eric Coombs, Oregon Department of Agriculture, Bugwood.org; Tamarisk beetle larvae, Jared Kunz, Utah State University; Adult tamarisk beetle, Robert D. Richard, USDA APHIS PPQ, Bugwood.org.

Type: Biocontrol, Beneficial

Situation: Found outside house

County: Washington

Fact Sheets: Utah State University Extension; USDA


San Jose Scale (Diaspididae)

Scientific Name: Quadraspidiotus perniciosus

san jose scale

san jose scale

san jose scale

Photo(s): (2 images) United States National Collection of Scale Insects Photographs Archive, USDA Agricultural Research Service, Bugwood.org; E Nelson, Bugwood.org

Type: Fruit Tree Pest

Situation: On apple

County: Weber

Fact Sheets: Utah State University; University of California IPM


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


Woolly Apple Aphids (Aphididae)

Scientific Name: Eriosma lanigerum

wooly apple aphid

wooly apple aphid

Photo(s): University of Georgia Plant Pathology Archive, University of Georgia, Bugwood.org, University of Georgia Plant Pathology Archive, University of Georgia, Bugwood.org

Type: Fruit trees

Situation: Apple trees

County: Sanpete

Fact Sheets: Utah State University Extension; Colorado State University


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


Cynipid Gall Wasp

Scientific Name: N/A

gall wasp

gall wasp

Photo(s): Ryan Davis USU

Type: Plant pest

Host: found on oak tree

County: Wasatch

Fact Sheets: Forestry Images; University of Minnesota


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

*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.