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Spotting a bug indoors triggers immediate questions: what is it, is it dangerous, do I need to act. Here is the quick-reference guide for common Florida household insects.
Common Florida indoor bugs and what to do
Tiny bugs flying around lights
Likely fungus gnats (from overwatered houseplants) or fruit flies (from kitchen). Address moisture or fruit source.
Small moths in pantry
Indian meal moths. Inspect dry goods for larvae. Discard infested items, clean pantry.
Tiny ants in kitchen
Ghost ants, pharaoh ants, or Argentine ants. Use Terro liquid bait. Do NOT spray.
Large reddish-brown roach (1-2 inches)
American cockroach (palmetto bug). Outdoor invader. Treat outdoor perimeter.
Small light brown roach with two stripes
German cockroach. Indoor pest. Use gel bait + IGR.
Silver-gray fast-moving bug in bathroom
Silverfish. Reduce humidity, apply DE.
Centipede in basement
House centipede. Beneficial outdoors but unwelcome indoors. Reduce humidity.
Tiny black bug with red marks on white background
Possibly carpet beetle larva. Check wool items.
Fuzzy moth-like fly near drain
Drain fly. Clean drains with enzyme cleaner.
Tiny biting insect you cannot see clearly
Likely no-see-um. Run fans on patio, use picaridin repellent.
Small jumping bug on pet
Flea. Treat pet with prescription preventative + treat home.
Termite swarmers (looks like flying ants)
Spring/fall swarmers. Check for mud tubes. Hire professional inspection.
Large hairy fast spider on floor
Likely wolf spider. Not dangerous. Capture and release outdoors.
Black spider with red mark
Possibly black widow. Identify carefully (look for hourglass on underside). Treat with caution.
When immediate action needed
- Multiple roaches in kitchen — German roach infestation, treat now.
- Termite swarmers — schedule inspection within week.
- Mouse droppings — start trapping immediately.
- Bed bug suspected — confirm and start treatment same day.
- Black widow in living area — capture/relocate immediately.
Verdict
Most indoor Florida bugs do not warrant alarm. Identify before reacting. Use the descriptions above to direct your treatment approach. When in doubt, capture in jar and identify before deciding action.
Reminder: Always read product labels and follow safety instructions.