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Black Vine Weevil (Otiorrhynchus sulcatus)


Detailing the physical features, habits, territorial reach and other identifying qualities of the Black Vine Weevil.


 Updated: 2/8/2018; Authored By Staff Writer; Content ¬©www.InsectIdentification.org



  Black Vine Weevil  
Picture of Black-Vine-Weevil
Picture of Black-Vine-Weevil Picture of Black-Vine-Weevil


The evasive Black Vine Weevil can and will eat most any plant, which can decimate production in a wholesale greenhouse or nursery.





Weevils are a type of beetle and this particular weevil is a member of the family Curculionidae, the largest family of insects known to date. The Black Vine Weevil actually hails from Europe, and is believed to have made its way to North America sometime in the mid-to-late 19 century. The 'nose' of the weevil is called a snout and it curves downward in front of the face, somewhat like an anteater. They are small beetles and nocturnal feeders, making it difficult at first to identify them as culprits in a plant's destruction. This species is black and covered in fine hairs. The body has ridges and appears bumpy. Females bore holes into stems or seeds and lay eggs in the summer. One female can lay hundreds of eggs so infestations can come about rapidly. Grubs (offspring) live underground until maturity.

The Black Vine Weevil is the known pest of an expansive variety of plants and it usually feeds at night. Leaves are chewed away, leaving gardeners and farmers to wonder what happened the next morning. Infestations are more common in large-scale perennial plant growing facilities than small backyard gardens. Occasionally home gardeners may find weevil grubs in purchased container plants. Adult Black Vine Weevils seem to prefer eating rhododendrons and yews, but have no problem eating their way through any myriad of plants that are in front of them. Their grubs will also destroy plants from underground as they eat away at roots and stems until the plant dies.
Basic Information
Common Name: Black Vine Weevil
Scientific Name: Otiorrhynchus sulcatus
Category: Beetle


General Identification
Size (Adult; Length): 3mm to 7mm (0.12in to 0.27in)
Colorwheel Graphic
Identifying Colors: black, red
Additional Descriptors: snout, beak, curve, trunk, elephant, anteater, harmful, pest




Taxonomic Hierarchy
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Curculionidae
Genus: Otiorrhynchus
Species: sulcatus


Beetle Anatomy
Graphic showing basic anatomy of a common North American Beetle insect
1
Antennae: Beetles have a pair of antennae on the head used as sensors.
2
Head: The head is home to the insect's eyes, antennae, and mandibles (jaws).
3
Thorax: Holds the three pairs of legs as well as vital internal organs.
4
Elytron: One of two wing cases on a Beetle that protects its wings (plural: elytra).
5
Wings: Appendages used for flying and kept under the elytra until needed.
6
Abdomen: Houses organs related to circulation, reproduction, and excretion.
7
Legs: Beetles have three pairs of legs located at the thorax, numbering six legs in all.


Territorial Reach (A-to-Z)
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 below as they are driven by environmental factors (such as climate change), available food supplies and mating patterns. Grayed-out selections below 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.
Alabama
Alaska
Arizona
Arkansas
California
Colorado
Connecticut
Delware
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
Canadian National Flag Graphic
Alberta
British Columbia
Manitoba
New Brunswick
Newfoundland and Labrador
Nova Scotia
Ontario
Prince Edward Island
Quebec
Saskatchewan
Mexican National Flag Graphic
Mexico


Territorial Area Map (Visual Reference Guide)
The map below showcases (in red) the states and territories of North America where the Black Vine Weevil may be found (but is not limited to). This sort of data can be useful in seeing concentrations of a particular species over the continent as well as revealing possible migratory patterns over a species' given lifespan. Some species are naturally confined by environment, weather, mating habits, food resources and the like while others see widespread expansion across most, or all, of North America.
Alaska  
Hawaii  
Prince Edward Is.  
State of Alabama graphic
State of Arizona graphic
State of Arkansas graphic
State of California graphic
State of Colorado graphic
State of Delware graphic
State of Florida graphic
State of Georgia graphic
State of Idaho graphic
State of Illinois graphic
State of Indiana graphic
State of Iowa graphic
State of Kansas graphic
State of Kentucky graphic
State of Louisiana graphic
State of Maine graphic
State of Maryland graphic
State of Michigan graphic
State of Minnesota graphic
State of Mississippi graphic
State of Missouri graphic
State of Montana graphic
State of Nebraska graphic
State of Nevada graphic
State of New England graphic
State of New Jersey graphic
State of New Mexico graphic
State of New York graphic
State of North Carolina graphic
State of North Dakota graphic
State of Ohio graphic
State of Oklahoma graphic
State of Oregon graphic
State of Pennsylvania graphic
State of South Carolina graphic
State of South Dakota graphic
State of Tennessee graphic
State of Texas graphic
State of Utah graphic
State of Virginia graphic
State of Washington graphic
State of West Virginia graphic
State of Wisconsin graphic
State of Wyoming graphic
Canadian territory of Alberta graphic
Canadian territory of British Columbia graphic
Canadian territory of Manitoba graphic
Canadian territory of New Brunswick graphic
Canadian territory of Newfoundland and Labrador graphic
Canadian territory of Ontario graphic
Canadian territory of Quebec graphic
Canadian territory of Saskatchewan graphic
Territory map graphic of the country of Mexico
Contiguous United States shape map layer graphic


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