Xyletininae
Gistel, 1848
death-watch and spider beetles
Tribe Guides
2- Lasiodermini(Lasiodermini)
- Xyletinini(Xyletinini)
Xyletininae is a of beetles within the Ptinidae, historically classified under Anobiidae. The subfamily comprises approximately 13 and at least 170 described . Members are commonly referred to as death-watch and spider beetles, sharing this with related subfamilies. The subfamily was established by Gistel in 1848.
Pronunciation
How to pronounce Xyletininae: /saɪˌlɛtɪˈnaɪ/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Xyletininae can be distinguished from other Ptinidae by subtle morphological characters, though specific diagnostic features for the subfamily as a whole require examination. The Lasioderma includes the cigarette beetle (Lasioderma serricorne), a well-known stored product pest. Separation from Anobiinae and other Ptinidae subfamilies typically relies on examination of antennal structure, pronotal shape, and male genitalia.
Images
Habitat
Members of this are found in diverse including stored products, dead wood, and other dry organic materials. Many are associated with human-modified environments.
Distribution
The has a worldwide distribution, with constituent and occurring across multiple continents. Specific distribution patterns vary by genus.
Behavior
The 'death-watch beetle' refers to the tapping or clicking sounds produced by some related , though whether this occurs in Xyletininae specifically has not been documented in the provided sources.
Human Relevance
The includes economically important pests. Lasioderma serricorne (cigarette beetle) is a major pest of stored tobacco, dried herbs, spices, and other dried plant materials. Several other in the subfamily are known or suspected to damage stored products and dried collections.
Similar Taxa
- AnobiinaeFormerly classified together in Anobiidae; now separated in Ptinidae but share 'death-watch beetles' and general . Distinguished by technical characters including antennal club structure and body proportions.
- PtininaeAnother of Ptinidae sharing 'spider beetle' . Spider beetles in Ptininae typically have more globose bodies and longer legs relative to body size.