Sorting out which termite you actually have
In a state with 20 established termite species, the single most valuable thing you can do before a company arrives is collect evidence. Tape a few swarmers to an index card. Photograph the pellets and put a coin beside them for scale. Note the date and, critically, the time of day. Time of day narrows the field fast. Native eastern subterranean swarmers fly in daylight in early spring. The University of Florida reports Formosan swarming peaks in May shortly after sunset, and FDACS extends evening flights through July. Drywood swarmers fly during daytime hours in summer and fall. Location narrows it further. Insects coming out of a wall near the floor and tubes on the foundation point underground. Pellet piles beneath an attic rafter or a window sill, with clean galleries cut across the grain, point to drywood termites that flew directly into the wood. Getting this right in Jacksonville is not academic. It decides between trenching the soil and tenting the house, and those are very different weeks in your life.
Why Jacksonville soil makes subterranean control harder
Everything about this site favors the colony. Elevation averages 16 feet, so the water table is never far down. Rainfall runs about 50 inches a year, and average humidity of 75 percent means what falls does not evaporate quickly. Soil around a foundation here stays workable and damp for most of the year. Subterranean termites need that moisture. It is why they build shelter tubes in the first place, to carry humid conditions with them across dry surfaces like concrete. In wetter soil, they need shorter tubes and can forage farther from the nest with less effort. The practical consequences show up in maintenance. A liquid barrier in sandy, well drained, frequently soaked soil can move or degrade differently than the same product inland, which is part of why the University of Florida quotes a wide two to fifteen year working range rather than a single number. It also means moisture control is not optional homeowner advice here. A leaking hose bib or a sprinkler head pointed at the wall undoes a lot of expensive work.
A Jacksonville termite calendar
In Jacksonville, February through April belongs to the native subterranean species, whose swarmers fly during the day, often after a warm rain. This is when many homeowners first notice wings on a floor and start searching for answers. May is the month to pay closest attention to outdoor lighting. The University of Florida places peak Formosan swarming in May shortly after sunset. If a cloud of winged insects gathers under a porch light or around a pool light after dark, photograph it and note the time. June and July continue evening Formosan flights under the FDACS window, and the light southeastern subterranean termite swarms later in summer. Summer and fall also bring daytime drywood flights, which is when swarmers fly into attic vents and exposed trim. October through January looks quiet, but with winter lows averaging 43 degrees, foraging never really stops in this soil. That makes the cool months a good time to book an inspection or non urgent treatment, before the spring rush fills every calendar in the city.
What to ask before you sign a Florida termite agreement
Start with the finding. Ask the inspector to name the species or to say plainly that identification is pending, and ask for the diagram showing where evidence appeared. FDACS runs a consumer program covering approved control methods for Formosan termites, so it is fair to ask whether the proposed method fits that guidance. Then ask about scope. For a liquid job, how many linear feet, how much concrete gets drilled, and what volume the label requires at that footage. For baits, how many stations, at what spacing, and how often somebody returns in year one versus year three. Ask about the agreement itself. What does renewal cost, what triggers a retreatment at no charge, and does the coverage include damage repair or only the treatment. Get all of that written down. Finally, ask what they found that is not termites. Chronic moisture, wood to soil contact, and blocked ventilation are the conditions that bring the next colony, and a good report lists them separately from the treatment recommendation.
Protecting an older Jacksonville home
Housing near the historic core dates back generations in a city founded in 1822, and older construction brings its own termite geometry: crawlspaces, real wood siding close to grade, porch piers, and additions built at slightly different heights. Each junction between old and new work is a seam, and seams are where tubes get built. Start at the crawlspace if you have one. Look for wood scraps left on the ground by whoever last worked under there, since buried lumber is a colony's favorite starter kit. Check that vents are open and clear, because trapped humidity in this climate keeps subfloor wood damp enough to attract activity. Outside, look at the porch. Wooden columns set directly on a slab or into soil are the classic entry route on an older Florida house, and a metal standoff base solves it permanently. Inside, tap the bottom six inches of trim in rooms along an exterior wall. Older baseboards are usually solid wood, so the difference between a solid thunk and a hollow tap is easy to hear.