Crabro tumidus

(Packard, 1867)

Crabro tumidus is a of square-headed wasp in the Crabronidae. It is native to North America. As a member of the Crabro, it belongs to a group of solitary that provision nests with prey for their developing larvae. The species was described by Packard in 1867.

Pronunciation

How to pronounce Crabro tumidus: //ˈkræbroʊ ˈtjuːmɪdəs//

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Identification

Crabro tumidus can be distinguished from similar square-headed wasps in the Crabro by its specific morphological features, though detailed diagnostic characters are not well documented in available sources. Members of the genus Crabro typically have a somewhat robust build and square-shaped , but -level identification often requires examination of specific structural details such as punctation patterns, propodeal , and male genitalia.

Distribution

North America. Specific records indicate presence in the United States and Canada, though detailed range boundaries within the continent are not well documented.

Ecological Role

As a member of the Crabronidae , Crabro tumidus likely functions as a or , provisioning nests with prey to support larval development. This ecological role contributes to of its prey .

Similar Taxa

  • Crabro argusAnother North American in the same , sharing the square-headed wasp and general body plan
  • Other Crabro speciesCongeneric share the characteristic square shape and solitary nesting , requiring careful examination for accurate identification

More Details

Taxonomic placement

Formerly placed in the Sphecidae, Crabro tumidus and related are now classified in Crabronidae following modern phylogenetic revisions of the superfamily .

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Sources and further reading