Bugs and spiders in Alabama
Most of what turns up in Alabama homes is more nuisance than threat. The species recorded most often in the state are Asian lady beetles, eastern carpenter bees and yellow garden spiders, with brown marmorated stink bugs close behind. Alabama does stand out for how many Get-advice species live here, including three kinds of widow spider, the brown recluse and four ticks.
Get advice if bitten
These are found in Alabama. If you think one bit or stung you, call Poison Help at 1-800-222-1222; call 911 for trouble breathing or swelling.
Common in Alabama
Established here or recorded often, most-recorded first.
Asian lady beetleBe carefulCommon · 5,147 records
Eastern carpenter beeBe carefulCommon · 3,448 records
Yellow garden spiderBe carefulCommon · 2,695 records
Brown marmorated stink bugHarmlessCommon · 1,883 records
Spotted orbweaverHarmlessCommon · 1,487 records
Pill bugHarmlessCommon · 1,330 records
Tan jumping spiderHarmlessCommon · 858 records
Black carpenter antHarmlessCommon · 787 records
Boxelder bugHarmlessCommon · 781 records
Eastern yellowjacketBe carefulCommon · 732 records
Red imported fire antBe carefulEstablished · 626 records
Greenhouse millipedeHarmlessCommon · 561 records
Southern black widowGet adviceEstablished · 555 records
Bold jumping spiderHarmlessCommon · 515 records
Brown recluseGet adviceEstablished · 390 records
Lone star tickGet adviceEstablished · 346 records
Long-bodied cellar spiderHarmlessCommon · 342 records
American cockroachBe carefulCommon · 336 records
Dark fishing spiderBe carefulCommon · 329 records
Southern house spiderHarmlessCommon · 318 records
Brown widowGet adviceEstablished · 298 records
Varied carpet beetleHarmlessCommon · 276 records
Argentine antHarmlessCommon · 248 records
House centipedeBe carefulCommon · 210 records
American dog tickGet adviceEstablished · 185 records
Common house spiderHarmlessCommon · 136 records
False black widowBe carefulCommon · 124 records
Indianmeal mothHarmlessCommon · 107 records
Greenhouse camel cricketHarmlessCommon · 94 records
Blacklegged tickGet adviceEstablished · 86 records
Northern black widowGet adviceEstablished · 56 records
European paper waspBe carefulCommon · 52 records
Odorous house antHarmlessCommon · 48 records
German cockroachBe carefulCommon · 45 records
Brown dog tickGet adviceEstablished
Yellow fever mosquitoBe carefulEstablished
House mosquitoBe carefulEstablishedWhat to watch for in Alabama
Southern black widow, northern black widow, brown widow and brown recluse are all established in Alabama, and the southern black widow and brown recluse are recorded most often. They favor sheltered spots, so wear gloves when you move stored boxes, firewood or garage clutter. If you think one bit you and you are worried about the symptoms, get medical advice or call Poison Help at 1-800-222-1222.
Four ticks are established here: lone star, American dog, blacklegged and brown dog. The lone star tick is the one recorded most. All of them can carry disease, and lone star tick bites are also linked to alpha-gal syndrome, a red-meat allergy. Brown dog ticks live mostly indoors with dogs. Red imported fire ants are established as well, and eastern yellowjackets are common around food and trash by late summer.
Through the year
- Spring
- Black carpenter ant swarmers appear around March through June, eastern carpenter bees hover near nests in April through June, and pill bugs and rough sowbugs wander in after rain.
- Summer
- American cockroaches are most active in the warm months, greenhouse millipedes show up after heavy rain, and eastern yellowjacket nests keep growing.
- Fall
- Asian lady beetles and brown marmorated stink bugs move in during the fall, boxelder bugs start in late August, and yellow garden spiders and spotted orbweavers are at their most noticeable.
- Winter
- Brown marmorated stink bugs stir on warm winter days, Asian lady beetles try to get outside again from February, and long-bodied cellar spiders, house centipedes and Indianmeal moths stay around indoors.
Seen now and then
Recorded a few times; often brought in on plants, firewood or luggage.
Woodlouse spiderHarmlessOccasional · 24 records
House flyBe carefulOccasional · 18 records
Carolina wolf spiderBe carefulOccasional · 17 records
Bed bugBe carefulOccasional · 14 records
Zebra jumping spiderHarmlessOccasional · 10 records
Oriental cockroachBe carefulOccasional · 6 records
Fruit flyHarmlessOccasional · 6 records
SilverfishHarmlessOccasional · 5 records
House cricketHarmlessOccasional · 4 records
Barn funnel weaverHarmlessOccasional · 3 records
Cat fleaBe carefulOccasional · 3 records
Camel crickets (native)HarmlessOccasional · 3 recordsLists come from research-grade iNaturalist sightings (Alabama: 462,626 arthropod records) and, for dangerous species, published range maps. A species with few records may be a hitchhiker. Counts pulled Oct 18, 2026.
