Obscure scale, common on oak trees, is well named. Its small size (see pencil point for reference) and bark-like appearance make it especially difficult to detect.
Now's the time for dormant oils
Insects in the CityNow's the time for dormant oils
Obscure scale, common on oak trees, is well named. Its small size (see pencil point for reference) and bark-like appearance make it especially difficult to detect.