Paper wasp

Polistes spp.

Overview:

Paper wasps are a group of social wasps belonging to the genus Polistes. These wasps are known for their distinctive paper-like nests, which they construct by chewing wood fibers and mixing them with saliva. They are commonly found in various regions worldwide.

Detailed Appearance:

  • Adult paper wasps have slender bodies with an elongated abdomen.
  • Typically, they have a brownish coloration with yellow markings.
  • Their wings are membranous and folded longitudinally when at rest.
  • The body length varies but is generally between 1 to 2 inches (2.5 to 5 cm).

Life Cycle:

  • Paper wasps exhibit a social structure with colonies consisting of a queen, workers, and male wasps.
  • The life cycle includes egg, larva, pupa, and adult stages.
  • The queen initiates the colony in spring, laying eggs that develop into workers.
  • Workers take over nest construction, foraging, and caring for the brood.
  • Male wasps and new queens are produced later in the season.
  • Colonies typically decline in fall, with only newly mated queens overwintering.

Identification of Nests:

  • Paper wasp nests are distinctive, often umbrella-shaped, and attached to a surface by a stalk.
  • The nests are constructed from paper-like material and have open cells.
  • Nests can be found in protected locations such as under eaves, tree branches, or in shrubs.

Behavior:

  • Paper wasps are generally less aggressive compared to some other wasp species.
  • They are beneficial as they prey on various insects, providing natural pest control.
  • However, they may become defensive if their nest is threatened.

Management Strategies:

  • Observation:

    • Be aware of the location of paper wasp nests around your property.
    • Exercise caution and avoid disturbing nests.

  • Nest Removal:

    • If a nest is in a high-traffic area and poses a risk, consider professional removal.
    • Avoid DIY removal, especially if allergic reactions to stings are a concern.

  • Prevention:

    • Take steps to deter wasps from nesting in undesirable areas.
    • Seal potential entry points into buildings.

  • Professional Assistance:

    • If you encounter a large or problematic nest, seek assistance from pest control professionals.
    • They have the expertise and equipment to handle such situations safely.

It's important to note that paper wasps play a role in ecological balance by controlling insect populations. If their presence does not pose a threat, allowing them to coexist can be beneficial. However, if nests are in areas of high human activity, caution and proper management may be necessary.