1. Heavy infestations can also result in a narrowing or blockage of the bile duct.
2. The country's top planner yesterday warned that this year's extreme weather conditions, plant diseases and insect infestations could seriously affect the autumn harvest.
3. The country's top planner Wednesday warned that this year's extreme weather conditions, plant diseases and insect infestations could seriously affect the autumn harvest.
4. The bees have been previously used to eliminate moth infestations in the provinces of Hebei and Shandong.
5. infestations
5. Taihu Lake has suffered from heavy algae infestations caused by excessive pollutants.
6. While beetle infestations are part of the natural order of the forest, the current infestation defies all expectations.