Snakes and spiders in Montgomery County, Texas
Montgomery County, home of Conroe, has 18 snake and 58 spider species on record, from 262 licensed snake and 308 spider records. Venomous species here: the eastern copperhead, the northern cottonmouth, the Texas coral snake, the timber rattlesnake, the southern black widow, the brown widow and the northern black widow.
Are there venomous snakes or spiders in Montgomery County?
Yes. The eastern copperhead: 37 licensed records, 3% of all Texas records of it. The northern cottonmouth: 25 licensed records, 2% of all Texas records of it. The Texas coral snake: 11 licensed records, 2% of all Texas records of it. The timber rattlesnake: 7 licensed records, 4% of all Texas records of it. The southern black widow: 5 licensed records, 2% of all Texas records of it. The brown widow: on record, no openly licensed records to count. The northern black widow: on record, no openly licensed records to count.
What snakes are in Montgomery County?
In all, 18 snake species are on the Montgomery County list. The most recorded are the eastern copperhead (37), the plain-bellied watersnake (29) and the western ribbon snake (27).
| # | Species | Records | Share of Texas records |
|---|---|---|---|
| 1 | Eastern copperhead venomous Agkistrodon contortrix | 37 | 3% |
| 2 | Plain-bellied watersnake Nerodia erythrogaster | 29 | 1% |
| 3 | Western ribbon snake Thamnophis proximus | 27 | 1% |
| 4 | Northern cottonmouth venomous Agkistrodon piscivorus | 25 | 2% |
| 5 | DeKay's brown snake Storeria dekayi | 23 | 2% |
| 6 | Southern watersnake Nerodia fasciata | 20 | 2% |
| 7 | Western rat snake Pantherophis obsoletus | 14 | 1% |
| 8 | Eastern racer Coluber constrictor | 13 | 2% |
| 9 | Diamondback water snake Nerodia rhombifer | 12 | 1% |
| 10 | Rough earthsnake Haldea striatula | 12 | 1% |
| 11 | Texas coral snake venomous Micrurus tener | 11 | 2% |
| 12 | Eastern hog-nosed snake Heterodon platirhinos | 7 | 2% |
| 13 | Timber rattlesnake venomous Crotalus horridus | 7 | 4% |
| 14 | Rough greensnake Opheodrys aestivus | 4 | 0% |
| 15 | Mud snake Farancia abacura | 3 | 3% |
| 16 | Coachwhip Masticophis flagellum | 2 | 0% |
| 17 | Slowinski's cornsnake Pantherophis slowinskii | 1 | 11% |
| 18 | Central plains milksnake Lampropeltis gentilis | — | — |
When are snakes out in Montgomery County?
Observation records of snakes in Montgomery County run through most of the year, peaking in May with 19% of them; across Texas the peak is April.
What spiders are in Montgomery County?
In all, 58 spider species are on the Montgomery County list. The most recorded are the twin-flagged jumping spider (30), the black-and-yellow argiope (28) and the spiny-backed orbweaver (22).
| # | Species | Records | Share of Texas records |
|---|---|---|---|
| 1 | Twin-flagged jumping spider Anasaitis canosa | 30 | 4% |
| 2 | Black-and-yellow argiope Argiope aurantia | 28 | 1% |
| 3 | Spiny-backed orbweaver Gasteracantha cancriformis | 22 | 3% |
| 4 | Bold jumper Phidippus audax | 14 | 1% |
| 5 | Familiar jumping spider Platycryptus undatus | 13 | 3% |
| 6 | Rabid wolf spider Rabidosa rabida | 12 | 1% |
| 7 | Nursery web spider Pisaurina mira | 11 | 3% |
| 8 | Georgia wolf spider Tigrosa georgicola | 10 | 6% |
| 9 | Leucauge argyrobapta | 10 | 4% |
| 10 | Tigrosa annexa | 9 | 3% |
| 11 | Sixspotted fishing spider Dolomedes triton | 8 | 4% |
| 12 | Gray wall jumper Menemerus bivittatus | 7 | 3% |
| 13 | Green lynx spider Peucetia viridans | 7 | 1% |
| 14 | Magnolia green jumper Lyssomanes viridis | 7 | 12% |
| 15 | Box spider Crossopriza lyoni | 5 | 8% |
| 16 | Common Hentz jumping spider Hentzia palmarum | 5 | 3% |
| 17 | Common house spider Parasteatoda tepidariorum | 5 | 9% |
| 18 | Filmy dome spider Neriene radiata | 5 | 5% |
| 19 | Pantropical jumper Plexippus paykulli | 5 | 2% |
| 20 | Southern black widow venomous Latrodectus mactans | 5 | 2% |
| 21 | Bronze jumper Eris militaris | 4 | 2% |
| 22 | Cribellate spider Metaltella simoni | 4 | 2% |
| 23 | Dark fishing spider Dolomedes tenebrosus | 4 | 4% |
| 24 | Falconina gracilis | 4 | 2% |
| 25 | Putnam's jumper Phidippus putnami | 4 | 6% |
| 26 | Spotted orbweaver Neoscona crucifera | 4 | 1% |
| 27 | Sylvan jumping spider Colonus sylvanus | 4 | 3% |
| 28 | Triangulate bud spider Steatoda triangulosa | 4 | 1% |
| 29 | Heptagonal orbweaver Gea heptagon | 3 | 8% |
| 30 | Tuftlegged orbweaver Mangora placida | 3 | 4% |
| 31 | Bifurcate trashline orbweaver Allocyclosa bifurca | 2 | 2% |
| 32 | Dotted wolf spider Rabidosa punctulata | 2 | 2% |
| 33 | Messua limbata | 2 | 2% |
| 34 | Whitman's jumping spider Phidippus whitmani | 2 | 15% |
| 35 | Arrowhead orbweaver Verrucosa arenata | 1 | 2% |
| 36 | Audouin's trapdoor spider Ummidia audouini | 1 | 6% |
| 37 | Habronattus decorus | 1 | 7% |
| 38 | Longbodied cellar spider Pholcus phalangioides | 1 | 4% |
| 39 | Peppered jumper Pelegrina galathea | 1 | 1% |
| 40 | Pisaurina dubia | 1 | 2% |
| 41 | Shoreline wolf spider Arctosa littoralis | 1 | 1% |
| 42 | Striped lynx spider Oxyopes salticus | 1 | 0% |
| 43 | White-banded fishing spider Dolomedes albineus | 1 | 2% |
| 44 | American golden orb weaver Trichonephila clavipes | — | — |
| 45 | Arabesque orbweaver Neoscona arabesca | — | — |
| 46 | Blacktailed red sheetweaver Florinda coccinea | — | — |
| 47 | Bowl and doily spider Frontinella pyramitela | — | — |
| 48 | Brown widow venomous introduced Latrodectus geometricus | — | — |
| 49 | Furrow orbweaver Larinioides cornutus | — | — |
| 50 | Gladicosa pulchra | — | — |
| 51 | Lined orbweaver Mangora gibberosa | — | — |
| 52 | Misumenops iners | — | — |
| 53 | Northern black widow venomous Latrodectus variolus | — | — |
| 54 | Orange ant-mimic sac spider Castianeira amoena | — | — |
| 55 | Parson spider Herpyllus ecclesiasticus | — | — |
| 56 | Scytodes atlacoya | — | — |
| 57 | Tropical orb weaver Eriophora ravilla | — | — |
| 58 | Whitebanded crab spider Misumenoides formosipes | — | — |
When are spiders out in Montgomery County?
Observation records of spiders in Montgomery County run through most of the year, peaking in May with 15% of them; across Texas the peak is April.
Common in Texas, not on the Montgomery County list
Among the snakes most recorded across Texas, these do not reach the county list: the western diamondback rattlesnake (2,667 statewide), the western ground snake (1,963 statewide), the checkered garter snake (1,851 statewide) and the gopher snake (1,440 statewide). Few records here can mean the species is rare in the county, or that few people have looked.
Among the spiders most recorded across Texas, these do not reach the county list: Hogna antelucana (805 statewide), Cicurina varians (514 statewide) and the western spotted orbweaver (465 statewide). Few records here can mean the species is rare in the county, or that few people have looked.
Harmless lookalikes in Montgomery County
Copperheads are on the county list, and so are harmless species often taken for them: the plain-bellied watersnake, the eastern hog-nosed snake and the central plains milksnake. Cottonmouths are on the county list, and so are harmless species often taken for them: the plain-bellied watersnake, the southern watersnake, the diamondback water snake and the mud snake. Rattlesnakes are on the county list, and so are harmless species often taken for them: the eastern hog-nosed snake. Coral snakes are on the county list, and so are harmless species often taken for them: the central plains milksnake. Widow spiders are on the county list, and so are harmless species often taken for them: the common house spider and the triangulate bud spider. No recluse spiders reach the county list, but the brown recluse, the Texas recluse, the Big Bend recluse and the Apache recluse are on the Texas list: treat any spider like them as venomous until identified. Harmless species often taken for them here: the longbodied cellar spider.
Montgomery County among Texas counties
By licensed snake records Montgomery County ranks 40th of 254 Texas counties with any.
Other Texas counties with their own page: Travis County, Brewster County, Harris County, Brazos County, El Paso County, Jeff Davis County, Val Verde County and Bexar County.
The whole state: venomous species in Texas, all snakes, all spiders.
GBIF records read 2026-09-29. Listed: any license. Counted: CC0/CC BY only. How we count.