Listronotus rotundicollis

LeConte, J.L.

underwater weevil

Listronotus rotundicollis is a of underwater weevil in the Curculionidae. It is found in North America. The species is provisionally accepted in taxonomic databases. Little specific biological information is documented for this species compared to better-studied such as the carrot weevil (L. oregonensis) and (L. maculicollis).

Pronunciation

How to pronounce Listronotus rotundicollis: /lɪstrəˈnoʊtəs ˌroʊtʌndɪˈkɒlɪs/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

The specific epithet 'rotundicollis' (rounded neck) may distinguish this from with more angular or differently shaped pronota. Definitive identification requires examination of genitalic characters and comparison with . No published diagnostic keys specific to this species were found in the provided sources.

Appearance

As a member of the Listronotus, this possesses the characteristic elongated rostrum (snout) typical of weevils. The specific epithet 'rotundicollis' suggests a rounded pronotum or 'neck' region. No detailed morphological description is available in the provided sources.

Habitat

Described as an 'underwater weevil,' suggesting association with aquatic or semi-aquatic environments. The specific requirements remain undocumented.

Distribution

North America. No more specific geographic range (e.g., particular countries, states, or ecological regions) is provided in available sources.

Similar Taxa

Listronotus oregonensisBoth are North American Listronotus , but L. oregonensis is a well-documented agricultural pest of carrots, parsley, and celery with extensive biological study, while L. rotundicollis lacks comparable documentation.
Listronotus maculicollisBoth are North American Listronotus , but L. maculicollis is a major pest of golf course turfgrass with studied activity patterns and management protocols, unlike the poorly known L. rotundicollis.
Listronotus setosipennisBoth are Listronotus , but L. setosipennis has been studied as a agent for Parthenium weed in East Africa and Australia, while L. rotundicollis has no documented biocontrol applications.

More Details

Taxonomic Status

The is listed as 'provisionally accepted' in the Catalogue of Life, indicating some uncertainty in its taxonomic standing or need for further verification.

Data Deficiency

Unlike several that are major agricultural pests or biocontrol agents with extensive research literature, L. rotundicollis appears to be data-deficient with no peer-reviewed studies specifically addressing its , , or economic importance found in the provided sources.

Observation Records

iNaturalist reports zero observations for this , suggesting it is rarely encountered, poorly known to naturalists, or potentially misidentified in the field.