Palorus
Mulsant, 1854
Palorus is a of in the , established by Mulsant in 1854. The genus contains at least four described , including several recognized as pests of stored grain products. Species such as Palorus ratzeburgi (small-eyed ) and P. subdepressus (depressed flour beetle) are economically significant stored product pests. The genus belongs to the tribe Palorini within the Tenebrioninae.
Pronunciation
How to pronounce Palorus: //pəˈlɔːrəs//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Members of Palorus are small associated with stored products. Specific diagnostic features for the require examination of morphological characters such as pronotal and elytral ; however, detailed genus-level identification criteria are not well-documented in the provided sources. -level identification relies on subtle differences in body shape, size, and surface sculpturing.
Images
Habitat
Associated with stored grain products and food facilities. have been documented in grain storage environments.
Distribution
Documented from Denmark (DK), Norway (NO), and Sweden (SE) based on GBIF records. within the have broader distributions as stored product pests, though specific range data for the genus as a whole is limited.
Diet
Feeds on stored grain products and associated materials. Specific dietary breadth varies by but is centered on stored foodstuffs.
Life Cycle
with , larval, pupal, and stages. Development occurs within stored product .
Behavior
Pest in stored grain environments. and inhabit stored food products.
Ecological Role
in anthropogenic stored product ; contributes to degradation of stored materials.
Human Relevance
Several are economically significant stored product pests, including Palorus ratzeburgi (small-eyed ) and P. subdepressus (depressed flour beetle), which infest grain and grain products.
Similar Taxa
- TriboliumBoth contain economically important stored product pests with similar and ecological roles; Palorus are often less frequently encountered than Tribolium species in pest surveys.
- GnatocerusAnother containing stored grain pests; morphological and ecological similarities require careful examination for proper identification.
More Details
Taxonomic note
The Palorus was established by Mulsant in 1854 and currently contains at least four described . The tribe Palorini, to which this genus belongs, is placed within the Tenebrioninae.
Species included
The includes Palorus foveicollis Blair, 1930; Palorus ratzeburgi (Wissmann, 1848); Palorus ratzeburgii (Wissmann, 1848) [small-eyed ]; and Palorus subdepressus (Wollaston, 1864) [depressed flour beetle]. Note that P. ratzeburgi and P. ratzeburgii appear to represent alternative spellings of the same epithet.