European Hornet Control in Wimberley, TX
If you typed "European hornet" after seeing a huge brown-and-yellow wasp in Wimberley, here is the straight answer: none of the extension or research sources we rely on documents that species anywhere in Texas. What you saw is most likely one of several large native wasps, and the thing worth finding is its nest, if it has one. Send a photo or call (210) 281-1064, or schedule a visit online.
New to Hays County? Why the name may ring a bell #
Hays County keeps gaining residents. The Barton Springs/Edwards Aquifer Conservation District notes that the county is growing faster than most of the nation (BSEACD). If you moved to Wimberley from the eastern U.S., you may have seen the real thing there.
Here is what the sources say about where it lives:
- NC State Extension: it reached North America around 1840 and has since spread west as far as Louisiana and the Dakotas (NC State).
- Penn State Extension: Arkansas logged its first report in 1999.
- Bowles, 2025: a journal review of records west of the Mississippi found most clustered in the Ozark region (Arkansas, Missouri, eastern Oklahoma), with lone specimens from five other states. None came from Texas, and the author points to the hornet's heat tolerance limit as a possible reason it stays out of the hot South and Southwest.
- AgriLife and TAIS: both treat the baldfaced hornet as the lone "hornet" recorded in Texas.
Five Texas insects that get mistaken for it #
The European hornet itself is big and brown with broad yellow bands, and where it lives it flies after dark and bumps into lit windows. Around Wimberley, these are the usual stand-ins:
- Cicada killer. Roughly an inch and a half long, with a reddish front half, a black-and-yellow rear half and honey-colored wings. Females tunnel into bare, sunny soil each summer; males have no stinger. See cicada killer control in Wimberley.
- Southern yellowjacket queen. Much bigger than her half-inch workers and mostly orange.
- Red paper wasp. Rusty red and close to an inch long, building an uncovered comb beneath eaves. See red wasp control in Wimberley.
- Baldfaced hornet. Black with ivory face marks, about 3/4 inch, living in a hanging paper nest.
- Pigeon horntail. Hornet-colored and large, but with no pinched waist and no sting at all.
Older attics, newer walls: where a big-wasp nest would be #
What matters on your property is whether something has moved into the house. The Census Bureau's 2020-2024 survey shows a broad spread of housing in the 78676 ZIP: 17.6% of homes date from before 1980, and 27.1% were built in 2010 or later (Census ACS). Old or new, any gap in siding, soffit or attic vent can let a social wasp set up a covered paper nest inside a wall. In Texas, AgriLife names yellowjackets as one wasp that sometimes nests this way.
If wasps are streaming in and out of a crack in the wall:
- Don't tape, caulk or stuff the hole. Both AgriLife and Penn State warn that trapped wasps may chew their way through to the inside.
- Keep children and pets clear of the entrance.
- Note where the hole is and how busy it is, then get it inspected.
People with a sting allergy or heart condition should not try wasp control at all.
How Pest Trappers helps after a big-wasp sighting #
We start by figuring out what you actually saw, from your photo or on site, and whether there is a nest in a wall, an attic, a tree or the ground. The technician explains what each option involves, follows the product label on anything used, and quotes the job only after that inspection. If the culprit is a cicada killer or another solitary wasp that rarely stings, the advice may simply be to leave it. Pest Trappers LLC is the company's licensed name, under Texas Department of Agriculture business license TPCL #0887549. Our European hornet guide has more detail, and the Wimberley service page lists what else we treat in town.