Pyralid

: Gardeners often perform a "bioassay" (a growth test) by planting sensitive seeds like beans in suspected compost to see if they emerge with curled leaves before using the compost on their main garden beds.

: These herbicides are "horribly persistent" and do not break down quickly in manure or compost heaps unless exposed to specific soil microbes over time. pyralid

: The EPA periodically conducts reviews of these pesticides to assess ecological risks and has proposed measures like prohibiting off-site composting of treated plant matter to mitigate contamination. 2. Pyralid Moths (Family Pyralidae) : Gardeners often perform a "bioassay" (a growth

: The most common sign of -pyralid damage is distorted, curled, or "cupped" new growth on sensitive plants like tomatoes, potatoes, peas, and beans. pyralid