Arthropod (insects, spiders, mites, etc.) samples diagnosed by the Utah Plant Pest Diagnostic Lab in June 2011
- Western Poplar Clearwing
- House Fly
- Carpet Beetle
- Warehouse Beetle
- Field Ant
- Lady Beetle
- Saskatoon Sawfly
- Pavement Ant
- Dark Mealworm
- Bat Bug
- Black Pineleaf Scale
- Fig-eater Beetle
- Hecklemesh Weaver
- Argid Sawfly
- Minute Pirate Bug
- Leaf Beetle
- Flour Beetle
- Thrips
- Aphids
- Ground Pearl
*Click on thumbnails for larger images.
Western Poplar Clearwing (Sesiidae)
Scientific Name: Parenthrene robiniae
Photo(s): Clearwing larvae, Jared Kunz, Utah State University; Adult clearwing, James Solomon, USDA Forest Service, Bugwood.org
Type: Tree pest
Situation: In poplar tree
County: Uintah
Fact Sheets:
Bugwood Wiki; University of California IPM
Scientific Name: Fannia sp.
Photo(s): Stages of a house fly life, Clemson University, USDA Cooperative Extension Slide Series, Bugwood.org.
Type: Nuisance
Situation: In home
County: Cache
Fact Sheets:
Colorado State University; Colorado State University Biting Flies; University of California IPM
Scientific Name: Anthrenus lepidus
Photo(s): Adult and larvae carpet beetle (resembles A. lepidus), Jared Kunz, Utah State University.
Type: Household pest
Situation: In home
County: Utah
Fact Sheets:
University of California IPM; Colorado State University
Warehouse Beetle (Dermestidae)
Scientific Name: Trogoderma variabile
Photo(s): Warehouse beetle larvae, Jared Kunz, Utah State University. Adult beetle, Joseph Berger, Bugwood.org.
Type: Pantry pest
Situation: Found in packaged food
County: Utah,
Fact Sheets:
Purdue University; University of California IPM; Colorado State University
Scientific Name: Formica sp.
Photo(s): Formica vinculans, April Nobile, Antweb.org.
Type: Nuisance
Situation: In yard
County: Salt Lake, Cache
Fact Sheets:
University of Nebraska Lincoln; Iowa State University
Scientific Name: Stethorus punctum
Photo(s): Spider mite destroyer lady beetle, Jared Kunz, Utah State University.
Type: Beneficial, Spider Mite Destroyer
Situation: Found on apple tree with aphids
County: Davis
Fact Sheets:
North Carolina State University Extension
Saskatoon Sawfly (Tenthredinidae)
Scientific Name: Holocampa montanicola
Photo(s): Larvae sawfly inside of fruit; (Middle) Larvae sawfly, Jared Kunz, Utah State University; And adult pine sawfly which closely resembles the adult saskatoon sawfly, Gerald J. Lenhard, Louiana State Univ, Bugwood.org.
Type: Fruit pest
Situation: Serviceberry fruit
County: Cache
Fact Sheets:
Manitoba Agriculture; Utah State University IPM Advisory
Scientific Name: Tetramorium caespitum
Photo(s): Pavement Ant, April Nobile, Antweb.org
Type: Nuisance
Situation: In home
County: Davis
Fact Sheets:
Utah State University (Utah Pests Newsletter); University of Nebraska Lincoln
Scientific Name: Tenebrio obscurus
Photo(s): Dark mealworm, Jared Kunz, Utah State University.
Type: Stored products pest
Situation: In home
County: Salt Lake
Fact Sheets:
University of Arizona; Michigan State University
Scientific Name: Cimex pilosellus
Photo(s): Western Bat Bug, Frank Peairs, Colorado State University, Bugwood.org; Western Bat Bug, Susan Ellis, USDA APHIS PPQ, Bugwood.org.
Type: Biting/health/nuisance
Situation: In home
County: Utah
Fact Sheets:
Colorado State University;
Black Pineleaf Scale (Diaspididae)
Scientific Name: Nuculaspis claifornica
Photo(s): Black pineleaf scale, Jared Kunz, Utah State University.
Type: Pine Pest
Situation: On Austrian Pine
County: Salt Lake
Fact Sheets:
Utah State University (Utah Pests Newsletter); Oregon Department of Forestry; University of Minnesota
Figeater Beetle (Scarabaeidae)
Scientific Name: Cotinis mutabilis
Photo(s): Figeater beetle larvae, Ryan Davis, Utah State University; Adult figeater beetle, Wikipedia.com
Type: Beneficial (aids in decomposition); may damage ripe or overripe fruit.
Situation: Found in soil
County: Utah, Cache
Fact Sheets:
Wikipedia; University of California IPM
Hecklemesh Weaver (Amaurobiidae)
Scientific Name: N/A
Photo(s): Immature hecklemesh weaver, Ryan Davis, Utah State University.
Type: Beneficial/predatory
Situation: In forest
County: Rich
Fact Sheets:
University of California IPM; Colorado State University
Scientific Name: Arge humeralis
Photo(s): Argid sawfly larvae, Ryan Davis, Utah State University; Adult argid sawfly, Lacy L. Hyche, Auburn University, Bugwood.org.
Type: Ornamental pest
Situation: On Sumac
County: Davis
Fact Sheets:
The Connecticut Agricultural Experiment Station; Plant and Pest Digital Library, Purdue University
Minute Pirate Bug (Anthocoridae)
Scientific Name: Orius tristicolor
Photo(s): Minute pirate bug nymph, Ryan Davis, Utah State University; Adult minute pirate bug feeding on an aphid, Bradley Higbee, Paramount Farming, Bugwood.org.
Type: Beneficial
Situation: Bark of ash tree
County: Washington
Fact Sheets:
University of Missouri Extension;
Scientific Name: Saxinis sp
Photo(s): Adult leaf beetle, Ryan Davis, Utah State University.
Type: Possible Tree pests
Situation: Found on aspen tree
County: San Juan
Fact Sheets:
N/A; Wikipedia;
Scientific Name: Tribolium sp
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;
Photo(s): Immature thrips and thrips damage and fecal spots on cucumber. Ryan Davis, Utah State University.
Type: Vegetable pest
Situation: On cucumber
County: Utah
Fact Sheets:
Utah State University Extension; University of California IPM
Scientific Name: N/A
Photo(s): Whitney Cranshaw, Colorado State University, Bugwood.org
Type: Plant fluid sucking pest
Situation: On spirea shrub
County: Cache
Fact Sheets:
Utah State University Extension (Apple); Utah State University Extension (Alfalfa); Colorado State University Extension;
Photo(s): Whitney Cranshaw, Colorado State University, Bugwood.org
Type: Plant fluid sucking pest
Situation: On Virginia Creeper
County: Salt Lake
Fact Sheets:
University of Florida; Clemson University Extension;
*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.