Argenna obesa
Emerton, 1911
Plump Dictynid Spider
Argenna obesa is a small spider in the Dictynidae, described by Emerton in 1911. It is known from prairie and grassland regions of central North America. The is characterized by a notably plump, rounded that distinguishes it from related dictynid spiders. Records indicate it occurs in the Canadian prairies and north-central United States. Very little is known of its or ecological role.
Pronunciation
How to pronounce Argenna obesa: /ɑːrˈɡɛn.nə oʊˈbiː.sə/
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Identification
The can be recognized by its distinctly plump, globular relative to other Dictynidae. The body is small with typical dictynid proportions, but the abdominal shape is notably rounded and swollen compared to the more elongated or cylindrical abdomens of . Specific coloration and pattern details are not well documented in available sources.
Images
Habitat
Prairie and grassland environments in central North America. The appears associated with open grassland rather than forested or riparian areas.
Distribution
Recorded from Alberta, Manitoba, and Saskatchewan in Canada, with distribution extending into the north-central United States. The has been documented in prairie provinces and states.
Similar Taxa
- Argenna patulaAnother North American Argenna with different abdominal proportions; A. obesa is distinguished by its more pronounced abdominal obesity
- Other DictynidaeGeneral resemblance, but A. obesa separated by distinctive plump body form