Sciopithes
Horn, 1876
Species Guides
1- Sciopithes obscurus(obscure root weevil)
Sciopithes is a of broad-nosed weevils in the Curculionidae, established by Horn in 1876. The genus contains approximately six described distributed in North America. Members are commonly referred to as root weevils, with at least one species, Sciopithes obscurus (the obscure root weevil), documented as a pest of strawberry crops.
Pronunciation
How to pronounce Sciopithes: //ˌsaɪ.oʊˈpɪ.θiːz//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Habitat
Agricultural settings with strawberry have been documented for S. obscurus; broader preferences for the remain insufficiently described.
Distribution
North America; specific range boundaries for the and individual are not well documented in available sources.
Diet
Strawberry (Fragaria) has been confirmed as a plant for Sciopithes obscurus through laboratory feeding studies; dietary breadth for other in the is unknown.
Host Associations
- strawberry - plantConfirmed for S. obscurus; effects of plant nitrogen, phosphorus, and potassium nutrition on have been studied
Ecological Role
S. obscurus functions as a crop pest in strawberry agroecosystems; broader ecological roles for the are undocumented.
Human Relevance
S. obscurus is recognized as an agricultural pest of strawberry crops. studies indicate this is less sensitive to plant nitrogen levels than the co-occurring black vine weevil (Brachyrhinus sulcatus), with potential implications for management strategies.
Similar Taxa
- Brachyrhinus sulcatusCo-occurs as a root weevil pest on strawberry; distinguished by differential response to plant nitrogen nutrition and susceptibility to cyclodiene
- OtiorhynchusBroad-nosed weevil in the same tribe (Otiorhynchini); specific diagnostic features separating Sciopithes from Otiorhynchus are not provided in available sources
More Details
Taxonomic note
The Sciopithes is classified in the tribe Otiorhynchini, Entiminae. The type is S. obscurus Horn, 1876. Species-level includes S. arcuatus, S. insularis, S. intermedius, S. setosus, and S. sordidus alongside the type species.