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Lace Bug (Corythucha spp.)


Detailing the physical features, habits, territorial reach and other identifying qualities of the Lace Bug.

 Updated: 8/23/2019; Authored By Staff Writer; Content ¬©www.InsectIdentification.org




Piercing mouthparts allow Lace Bugs to drain fluids from leaves, diminishing the plant's facade without limiting its overall health.



Dainty and delicate wings of Lace Bugs resemble fine lace. Almost boxy in shape, the transparent wings have a wide black midline and a black bar crossing near the head and another near the rear. A transparent 'hat' extends around the head. This is a small insect that can be found on plants in all of its life stages. Eggs are laid by females under leaves. Nymphs hatch and join adults in drinking from the leaf they are on. Small black dots of feces on the leaf become visible and the leaf begins to dry out and die. Robbing a plant of it photosynthetic parts can impact the plants overall health, but the Lace Bug is not known to cause much direct damage beyond some leaf drop. A consequence of fewer leaves, however, is increased sun exposure to setting fruit. Some fruit, like avocados, will get sun scorch on their skins as a result.

Despite the impact on leaves, Lace Bugs do not merit an all-out assault by a gardener. If the aesthetics of the affected plant are important, insecticidal soap or neem oil can help prevent further damage. Nothing can repair damaged leaves. A plant can only use more energy to replace them. If the appearance of the plant is not critically important, it is simpler to wait out the Lace Bugs's life cycle and season. Wasps and other natural predators will eventually help control their numbers.
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Taxonomic Hierarchy
Kingdom: Animalia
  Phylum: Arthropoda
    Class: Insecta
      Order: Hemiptera
        Family: Tingidae
          Genus: Corythucha
            Species: spp.
Identifying Information
Scientific Name: Corythucha spp.
Category: True Bug
Size (Adult; Length): 3mm to 8mm (0.12in to 0.31in)
Colorwheel Graphic Colors: black, tan, brown
Descriptors: delicate, flying, spotted, wide, see-through, transparent, pest
Territorial Map
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Prince Edward Is.  
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Territorial Reach (A-to-Z)
Alabama
Alaska
Arizona
Arkansas
California
Colorado
Connecticut
Delaware
Florida
Georgia
Hawaii
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont
Virginia
Washington
West Virginia
Wisconsin
Wyoming
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Alberta
British Columbia
Manitoba
New Brunswick
Newfoundland and Labrador
Nova Scotia
Ontario
Prince Edward Island
Quebec
Saskatchewan
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Mexico
Note: An insect's reach is not limited by lines drawn on a map and therefore species may appear in areas, regions and/or states beyond those listed above as they are driven by environmental factors (such as climate change), available food supplies and mating patterns. Grayed-out selections indicate that the subject in question has not been reported in that particular territory. U.S. states and Canadian provinces / territories are clickable to their respective bug listings.