1. The suture has numerous, including auxiliary and adventive , elements. 2. Cultivated plants are a major source of adventive populations. 3. At times it is difficult to decide if a species is adventive or migratory. 4. Sutures have numerous auxiliary and adventive elements of similar form, in general radially arranged. 5. It can be adventive in cultivated fields, where it can be a pest species. 6. Common adventive species include herbivorous insects. 7. Such a non-sustaining population, or the individuals within it, are said to be adventive . 8. After some time, an adventive species may become Cultivated plants are a major source of adventive populations. 9. After some time, an adventive species may become Cultivated plants are a major source of adventive populations. 10. Situated northwest of Armenian capital Yerevan, Aragats is a large volcano with numerous fissure vents and adventive cones.