Tullgren funnel
- Pronunciation
- /TUHL-gren FUHN-uhl/
- Category
- Equipment
- Singular
- Tullgren funnel
- Plural
- Tullgren funnels
Definition
A device used to extract small arthropods from soil or leaf litter samples by utilizing heat and light to drive them out of the sample and into a collecting container.
Etymology
Named after Swedish entomologist Albert Tullgren who developed the technique in the early 20th century.
Example
Researchers used a Tullgren funnel to collect mites and springtails from forest floor leaf litter samples.
Synonyms
Related Terms
- Extraction
- Arthropods
- Soil sampling
- Leaf litter
Usage Notes
The Tullgren funnel typically uses a light source to heat the sample from above, causing the arthropods to move downward through a mesh into a collecting container, often filled with a preserving fluid.