RHS - Royal Horticultural Society - "Small black flies around your houseplants? These could be fungus gnats – they breed in damp composts and can be a sign of overwatering. Water plants
![ENTOEND Fungus Gnat Plant Pot Topper | 1L Resealable Pouch for Indoor Houseplants | Naturally Derived Potting Grit to Prevent and Stop Gnats and Soil Mites | Child and Pet Safe : ENTOEND Fungus Gnat Plant Pot Topper | 1L Resealable Pouch for Indoor Houseplants | Naturally Derived Potting Grit to Prevent and Stop Gnats and Soil Mites | Child and Pet Safe :](https://m.media-amazon.com/images/I/81QCUV1te8L._AC_UF350,350_QL80_.jpg)
ENTOEND Fungus Gnat Plant Pot Topper | 1L Resealable Pouch for Indoor Houseplants | Naturally Derived Potting Grit to Prevent and Stop Gnats and Soil Mites | Child and Pet Safe :
![What's Attacking My Houseplant? Common Indoor Plant Pests. — Seattle's Favorite Garden Store Since 1924 - Swansons Nursery What's Attacking My Houseplant? Common Indoor Plant Pests. — Seattle's Favorite Garden Store Since 1924 - Swansons Nursery](https://images.squarespace-cdn.com/content/v1/54fbb611e4b0d7c1e151d22a/9ef748b5-4b66-4ee6-976a-57d407fe8b26/Indoor+insects7_1200sq_frame_%C2%A9.jpg)