Abstract
The trail pheromone of the ant Tetramorium caespitum L. is a 70:30 mixture of 2,5-dimethylpyrazine and 3-ethyl-2, 5-dimethylpyrazine. The average total amount of the two pyrazines present in the poison vesicle was found to be 3.9 ng per ant, of which 2.7 ± 0.4 ng is 2,5-dimethylpyrazine and 1.15 ±0.25 ng is 3-ethyl-2,5-dimethylpyrazine. The pyrazines constitute only 0.03% of the volume of the poison vesicle but account for the whole of the trail-following activity. A 70:30 mixture of the respective pyrazines evoked the highest activity in artificial trail-following tests.
| Original language | English |
|---|---|
| Pages (from-to) | 1453-1468 |
| Number of pages | 16 |
| Journal | Journal of Chemical Ecology |
| Volume | 10 |
| Issue number | 10 |
| DOIs | |
| State | Published - Oct 1984 |
Keywords
- 2,5-dimethylpyrazine
- Ant
- Hymenoptera
- Myrmicinae
- Tetramorium caespitum
- poison gland
- synergism
- trail pheromone
- venom
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