Amphicrossus
Erichson, 1843
Species Guides
3- Amphicrossus ciliatus(sap-feeding beetle)
- Amphicrossus liebecki
- Amphicrossus niger
Amphicrossus is a of sap-feeding beetles in the Nitidulidae. The genus was established by Erichson in 1843 and contains approximately nine described distributed across North America, Europe, and Asia. Members are associated with decaying plant matter and fermenting sap flows.
Pronunciation
How to pronounce Amphicrossus: /æm.fɪˈkrɒs.əs/
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Identification
Small to medium-sized nitidulid beetles. Distinguished from related by combination of antennal club structure and elytral punctation patterns. Specific diagnostic characters require examination of mouthparts and genitalia.
Images
Habitat
Associated with sap flows on wounded or decaying trees, fermenting plant matter, and fungal growth on dead wood.
Distribution
North America (including United States and Canada), Europe, and East Asia (Japan).
Diet
Sap-feeding; feeds on fermenting plant sap and associated microorganisms.
Ecological Role
Decomposer; contributes to nutrient cycling by processing decaying plant matter and sap flows.
Similar Taxa
- NitidulaSimilar preferences and sap-feeding ; distinguished by antennal structure and body proportions.
- GlischrochilusOverlaps in sap-feeding ; Amphicrossus generally smaller with different antennal club .