Pest Control Call Volume by Season and Region

Pest activity is seasonal, and the calls that reach your office follow it. Termites swarm in spring. Stinging insects get more defensive in late summer. Some pests move indoors in fall. The timing shifts by region, so your busy months depend on where you work.

What this guide is, and isn’t: it shows when the pests behind common calls are active in each region, using university extension services and NPMA. It does not report call-volume figures. Your own call logs are the only source for your own numbers.

Two patterns that apply nationwide

Spring is termite season. NPMA calls spring “prime termite season” (NPMA). The exact months vary by region and species, as the table shows.
Rodents move indoors as it gets colder. NPMA notes that as temperatures drop, rodents across the country push their way indoors in search of shelter, food and water (NPMA).

Pest activity by region

Each row uses sources from that region. A region’s label notes which states the sources cover. Where we found no regional source for a pest, we left it out rather than guess.

Region	Peak months	Pest calls that spike	What the phone needs to handle
Northeast Pennsylvania sources	February–June; late summer to October	Termite swarmers, usually February–June (Penn State). Brown marmorated stink bugs looking for winter shelter, September–October (Penn State). Bees and wasps more defensive from late summer into fall (Penn State).	Swarmer calls: record where the winged insects were seen and book an inspection under your rules, not a treatment quote. Stinging-insect calls: ask where the nest is and whether anyone has been stung. Fall invaders: capture where they are getting in.
Southeast Florida, North Carolina, Georgia sources	April–June for Formosan termites; spring for eastern subterranean termites; fall for fire ants	Formosan subterranean termites swarm between early April and late June in Florida, shortly after sunset, peaking in May (UF/IFAS). Eastern subterranean termites swarm frequently in spring (NC State). Imported red fire ants are more active in the fall (UGA Extension).	Formosan swarms come after sunset, so decide whether evening calls are answered live or captured for a morning callback. Fire-ant calls: ask where the mounds are and whether anyone has been stung.
Midwest Indiana, Iowa sources	Late summer through October	Yellowjackets in late summer and early fall (Purdue, 1996). Multicolored Asian lady beetles moving into homes from the latter part of October (Purdue, 2004). Boxelder bugs looking for winter hiding places in fall (Iowa State).	Stinging-insect calls: nest location, how close it is to a door, and whether anyone has been stung. Fall invaders inside the house: capture where they are and where they get in, then book under your rules.
Southwest Arizona sources	June–October (monsoon); scorpions most of the year	Mosquitoes peak during the monsoon, between June and October; termites swarm in summer; monsoon weather forces other pests indoors (University of Arizona). Arizona bark scorpions are active most of the year in low-desert areas and less active November–March (University of Arizona).	Scorpion calls: ask whether anyone has been stung and follow your safety script before any booking questions. In monsoon months, expect mosquito, termite and indoor-pest calls in the same weeks.
West Coast California sources	Spring and fall, after rain (termites); late summer into fall (yellowjackets)	Subterranean termites swarm on warm, sunny days after fall or spring rains (UC IPM). Yellowjackets become more defensive as the season progresses and colonies grow (UC IPM).	Swarm calls follow rain, so have overflow cover ready after a rainy spell. Yellowjacket calls: nest location and whether anyone has been stung.
Gulf Coast Louisiana, Texas sources	April–June, peaking in May	Formosan subterranean termites swarm from April through June, peaking in early to mid May, at dusk (LSU AgCenter); in Texas, at night in late May and early June (Texas A&M). Fire ant mounds become more evident in spring as the ants emerge from dormancy (LSU AgCenter).	Dusk and night swarms mean evening calls: decide whether evening coverage or a morning callback handles them. Swarmer calls: record where they were seen and book an inspection under your rules.

What your phones need to handle in a busy season

The pests change by region. The call-handling questions don’t change much.

Ask the urgency questions first. For stinging insects and scorpions, ask whether anyone has been stung before anything else, and route a possible emergency the way your safety script says. Our after-hours call-handling plan sets out four escalation levels, including when to direct a caller to 911 or Poison Help.
Separate inspection requests from treatment requests. A caller who has seen swarmers usually needs an inspection booked, not a price. Record what the caller reports and where, and let your technician confirm the pest. Our call script and intake form lists the fields to capture.
Plan for evenings and weekends. Formosan termites swarm around dusk, and weekend calls don’t wait for Monday. Decide which windows are answered live and which are captured for a callback. Callvix base coverage is Monday–Friday, 9am–6pm in your company’s local time; evening ($199/month) and weekend ($149/month) coverage are optional add-ons.
Know what an unanswered call is worth in your busy months. Our guide to what missed calls cost a pest control business uses four numbers from your own records.
Get bookings into your system. In a busy month, notes that sit outside your CRM get lost. With the optional CRM Management add-on ($99/month), a Callvix representative enters call notes and booking details in your own FieldRoutes, PestPac, GorillaDesk, Briostack, ServiceTitan and Housecall Pro account, using access you grant. It’s manual entry by a person, not an automatic sync.

Questions

When is termite season?

Spring, broadly: NPMA calls spring prime termite season. Timing varies by region and species. Penn State says swarms in Pennsylvania usually emerge between February and June. LSU AgCenter puts Formosan termite swarms in Louisiana from April through June, peaking in early to mid May. In California, UC IPM says subterranean termites swarm after fall or spring rains.

When do stinging-insect calls rise?

Late summer into fall. Penn State notes that bees and wasps become more defensive later in the summer and into fall, and UC IPM says yellowjacket defensive behavior increases as the season progresses.

Does this guide give call-volume numbers?

No. It uses published pest-activity timing from university extension services and NPMA, not call-volume data. To see your own busy months, use your call logs. Our guide to what missed calls cost shows a simple four-input method.

Sources

Each page was checked on 24 October 2026. The Purdue items are older news releases and are dated in the list.

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