Stilbus
Seidlitz, 1872
shining flower beetles
Species Guides
2- Stilbus apicalis(Apical Shining Flower Beetle)
- Stilbus nitidus
Stilbus is a of small beetles in the Phalacridae, commonly known as shining flower beetles. Members of this genus are characterized by their compact, convex bodies and metallic or shiny appearance. The genus was established by Seidlitz in 1872 and is distributed across parts of Europe, with confirmed records from Denmark, Norway, and Sweden.
Pronunciation
How to pronounce Stilbus: //ˈstɪlbəs//
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Identification
Distinguished from other Phalacridae by the combination of convex body form and smooth, shiny elytral surface. Separation from the closely related genus Phalacrus requires examination of subtle structural characters including antennal club structure and male genitalia. Small size and association with flowers may aid in field recognition to level, but genus-level identification typically requires specimen examination.
Images
Habitat
Associated with flowers and floral ; specific microhabitat preferences within this context are not well documented for the as a whole.
Distribution
Confirmed records from Denmark, Norway, and Sweden; broader European distribution likely but not fully documented in available sources.
Seasonality
Activity period not well documented; likely present during flowering seasons given floral association.
Ecological Role
Likely contributes to pollen feeding and microbial decomposition in floral microhabitats, though specific ecological functions are not well documented for this .
Human Relevance
No documented economic or agricultural significance. Occasionally encountered by entomologists and naturalists in flower surveys.
Similar Taxa
- PhalacrusClosely related in the same Phalacrinae; distinguished by antennal club structure and male genitalic characters requiring microscopic examination.
- Other Phalacridae generaShare small size, convex form, and floral association; require detailed morphological study for reliable separation.
More Details
Taxonomic note
The Stilbus is part of the Phalacrinae within Phalacridae. The Phalacridae as a whole is poorly studied, with many genera lacking modern taxonomic revision. The 'shining flower beetles' applies to members of this genus but is also used more broadly for Phalacridae.