Agasphaerops
Horn, 1876
Species Guides
1- Agasphaerops nigra(lily weevil)
Agasphaerops is a of broad-nosed weevils in the Curculionidae, established by Horn in 1876. The genus belongs to the Entiminae and tribe Hormorini. It contains at least two described : A. niger and A. nigra. The latter, commonly called the lily weevil, is the better-known species.
Pronunciation
How to pronounce Agasphaerops: /ˌæɡəˈsfɪərəps/
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Identification
Members of this can be recognized as broad-nosed weevils (Entiminae) by their short, broad rostrum (snout) with at the tip rather than at the end of an elongated rostrum. The genus is distinguished from related Hormorini genera by specific morphological characters established in Horn's 1876 description, though detailed diagnostic features require examination of original taxonomic literature.
Host Associations
- Lilium - feeds onAgasphaerops nigra is commonly known as the lily weevil, indicating association with Lilium , though specific details of this relationship are not documented in the provided sources.
Human Relevance
Agasphaerops nigra, the lily weevil, may be of concern to gardeners and horticulturalists cultivating lilies, though the extent of its economic impact is not well documented.
Similar Taxa
- Other Entiminae generaAll broad-nosed weevils share the characteristic short, broad rostrum; Agasphaerops is distinguished by tribal assignment to Hormorini and -specific characters described by Horn.
- Other Hormorini generaMembers of the same tribe share derived characters; specific distinction requires detailed morphological comparison of .
More Details
Nomenclatural note
The two A. niger and A. nigra were both described by Horn in 1876. The epithets differ only in grammatical gender (masculine vs. feminine), suggesting they were described in conjunction with different gendered generic combinations or that one represents a subsequent correction.
Data scarcity
The is poorly represented in biodiversity databases, with only 8 observations in iNaturalist and minimal ecological or biological documentation in standard references.