Crocidema arizonica

Van Dyke, 1951

broad-nosed weevil

Crocidema arizonica is a of broad-nosed weevil in the Curculionidae, described by Van Dyke in 1951. It belongs to the Entiminae, a diverse group of weevils characterized by their broad rostrum and typically root-feeding larvae. The species is known from the southwestern United States.

Pronunciation

How to pronounce Crocidema arizonica: //ˌkroʊsɪˈdiːmə ˌærɪˈzoʊnɪkə//

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Identification

Distinguished from other Crocidema and similar broad-nosed weevils by a combination of genitalic characters and subtle external morphological features. Accurate identification typically requires examination by a in Curculionidae . The species name 'arizonica' refers to its type locality in Arizona.

Appearance

As a member of the broad-nosed weevils (Entiminae), this possesses the characteristic short, broad rostrum typical of the . The body form is generally robust and compact. Specific coloration and detailed morphological features are not well documented in available sources.

Habitat

Found in arid and semi-arid environments of the southwestern United States. Specific microhabitat preferences are poorly documented, but members of this are typically associated with desert and grassland vegetation.

Distribution

Documented from Arizona and Texas in the southwestern United States. GBIF records indicate presence in these states with North America listed as the broader region.

Seasonality

activity period is not well documented in published sources. Most broad-nosed weevils are active during spring and summer months.

Similar Taxa

  • Other Crocidema speciesCongeneric share the broad-nosed weevil and require detailed examination for separation
  • Other Entiminae in southwestern North AmericaBroad-nosed weevils in the region share general body form and preferences

More Details

Taxonomic note

The Crocidema belongs to the tribe Byrsopagini within the large Entiminae. This tribe includes several genera of broad-nosed weevils primarily distributed in North America.

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Sources and further reading