Asian wall jumper (Attulus fasciger)
The Asian wall jumper is a spider in the family Salticidae that is not dangerous to people. GBIF holds 1,046 licensed U.S. records of it; it reaches our listing threshold in 28 states, most of all Colorado (255), Minnesota (148) and Ohio (103). Its observation records peak in June.
.jpg){kind=link}
Is the Asian wall jumper poisonous or venomous?
Not in any medically significant way. Like almost all spiders the Asian wall jumper (family Salticidae) has venom for its prey, but it is not a widow or recluse, the two U.S. groups whose bites need medical attention.
Which states have the Asian wall jumper?
Records are spread over 28 states; the top three, Colorado, Minnesota and Ohio, hold 48% of them.
| # | State | Records | Share of state spiders | Rank in state |
|---|---|---|---|---|
| 1 | Colorado | 255 | 6.2% | 3rd of 378 |
| 2 | Minnesota | 148 | 4.9% | 3rd of 145 |
| 3 | Ohio | 103 | 1.5% | 16th of 332 |
| 4 | New York | 82 | 1.3% | 18th of 149 |
| 5 | Illinois | 80 | 0.4% | 37th of 243 |
| 6 | Indiana | 71 | 1.6% | 11th of 133 |
| 7 | Pennsylvania | 64 | 0.9% | 24th of 164 |
| 8 | Wisconsin | 60 | 1.9% | 6th of 149 |
| 9 | Michigan | 34 | 1.4% | 21st of 122 |
| 10 | New Jersey | 33 | 1.5% | 18th of 127 |
| 11 | Massachusetts | 25 | 0.5% | 41st of 189 |
| 12 | Maryland | 19 | 0.3% | 66th of 153 |
| 13 | Vermont | 13 | 0.8% | 26th of 74 |
| 14 | Iowa | 8 | 1.2% | 15th of 57 |
| 15 | Tennessee | 8 | 0.2% | 71st of 138 |
| 16 | Georgia | 7 | 0.1% | 107th of 186 |
| 17 | Virginia | 6 | 0.1% | 127th of 176 |
| 18 | Nebraska | 3 | 0.2% | 57th of 71 |
| 19 | North Carolina | 3 | 0.0% | 142nd of 184 |
| 20 | North Dakota | 3 | 3.5% | 7th of 115 |
| 21 | Kentucky | 2 | 0.1% | 84th of 103 |
| 22 | Montana | 2 | 0.1% | 51st of 75 |
| 23 | Wyoming | 2 | 0.9% | 11th of 68 |
| 24 | Connecticut | 1 | 0.1% | 69th of 86 |
| 25 | Missouri | 1 | 0.0% | 101st of 117 |
| 26 | New Hampshire | 1 | 0.1% | 65th of 72 |
| 27 | Maine | 0 | — | — |
| 28 | Utah | 0 | — | — |
When is the Asian wall jumper seen?
Across the U.S., observation records of the Asian wall jumper run mostly March through September, peaking in June with 18% of them. Winter (December to February) holds 4% of them.
Season by state
Among states whose main season falls within one calendar year, it starts earliest in January (Michigan) and latest in April (Colorado, Illinois, Indiana, New York and Wisconsin). The most common peak month is June, shared by Indiana, Michigan and Minnesota.
| State | Main season | Peak month | Observation records |
|---|---|---|---|
| Colorado | April through September | April | 255 |
| Minnesota | February through October | June | 147 |
| Ohio | March through September | July | 103 |
| New York | April through September | July | 82 |
| Illinois | April through September | May | 74 |
| Indiana | April through July | June | 69 |
| Pennsylvania | March through September | May | 64 |
| Wisconsin | April through October | August | 60 |
| Michigan | January through September | June | 34 |
| New Jersey | March through September | April | 33 |
Where the Asian wall jumper is recorded in each state
Colorado
Colorado holds 255 licensed records, the 3rd most recorded of 378 spiders listed there. Its observation records in Colorado run mostly April through September, peaking in April; most licensed records come from El Paso County, Boulder County and Larimer County. Next come Denver County (9) and Arapahoe County (2).
Minnesota
Minnesota holds 148 licensed records, the 3rd most recorded of 145 spiders listed there. Its observation records in Minnesota run mostly February through October, peaking in June; most licensed records come from Hennepin County, Stevens County and Ramsey County. Next come Anoka County (9) and Carlton County (3).
Ohio
Ohio holds 103 licensed records, the 16th most recorded of 332 spiders listed there. Its observation records in Ohio run mostly March through September, peaking in July; most licensed records come from Franklin County, Richland County and Cuyahoga County. Next come Hamilton County (5) and Erie County (4).
New York
New York holds 82 licensed records, the joint 18th most recorded of 149 spiders listed there. Its observation records in New York run mostly April through September, peaking in July; most licensed records come from Onondaga County, Richmond County and Tompkins County. Next come Erie County (9) and Nassau County (8).
Illinois
Illinois holds 80 licensed records, the 37th most recorded of 243 spiders listed there. Its observation records in Illinois run mostly April through September, peaking in May; most licensed records come from Champaign County, Cook County and McLean County. Next come DeWitt County (4) and DuPage County (4).
Indiana
Indiana holds 71 licensed records, the 11th most recorded of 133 spiders listed there. Its observation records in Indiana run mostly April through July, peaking in June; most licensed records come from Lake County, Porter County and White County. Next come Marion County (4) and Clark County (1).
Pennsylvania
Pennsylvania holds 64 licensed records, the 24th most recorded of 164 spiders listed there. Its observation records in Pennsylvania run mostly March through September, peaking in May; most licensed records come from Allegheny County, Bucks County and Northampton County. Next come Lancaster County (3) and Montgomery County (3).
Wisconsin
Wisconsin holds 60 licensed records, the joint 6th most recorded of 149 spiders listed there. Its observation records in Wisconsin run mostly April through October, peaking in August; most licensed records come from Dane County, Lincoln County and Waukesha County. Next come Brown County (4) and Milwaukee County (3).
Michigan
Michigan holds 34 licensed records, the 21st most recorded of 122 spiders listed there. Its observation records in Michigan run mostly January through September, peaking in June; most licensed records come from Wayne County, Washtenaw County and Midland County. Next come Ingham County (2) and Kalamazoo County (2).
New Jersey
New Jersey holds 33 licensed records, the 18th most recorded of 127 spiders listed there. Its observation records in New Jersey run mostly March through September, peaking in April; most licensed records come from Hunterdon County, Bergen County and Middlesex County. Next come Monmouth County (4) and Morris County (2).
Top counties in the U.S.
| # | County | State | Records | Share of U.S. |
|---|---|---|---|---|
| 1 | El Paso County | Colorado | 182 | 17.4% |
| 2 | Hennepin County | Minnesota | 61 | 5.8% |
| 3 | Lake County | Indiana | 51 | 4.9% |
| 4 | Champaign County | Illinois | 41 | 3.9% |
| 5 | Stevens County | Minnesota | 41 | 3.9% |
| 6 | Franklin County | Ohio | 36 | 3.4% |
| 7 | Boulder County | Colorado | 34 | 3.3% |
| 8 | Dane County | Wisconsin | 23 | 2.2% |
| 9 | Cook County | Illinois | 21 | 2.0% |
| 10 | Richland County | Ohio | 21 | 2.0% |
| 11 | Cuyahoga County | Ohio | 19 | 1.8% |
| 12 | Larimer County | Colorado | 18 | 1.7% |
| 13 | Allegheny County | Pennsylvania | 16 | 1.5% |
| 14 | Bucks County | Pennsylvania | 16 | 1.5% |
| 15 | Ramsey County | Minnesota | 14 | 1.3% |
How recent are the Asian wall jumper records?
Most of what is known about the Asian wall jumper is recent: 94% of dated U.S. records were made in 2017–2026, and half date from 2023 or later. The oldest dated record is from 1982; the busiest year was 2025, with 252 records.
| Decade | Records | Share |
|---|---|---|
| 1980s | 1 | 0.1% |
| 1990s | 1 | 0.1% |
| 2000s | 2 | 0.2% |
| 2010s | 203 | 19.0% |
| 2020s | 863 | 80.7% |
Species recorded in the same counties
Of the 126 counties where the Asian wall jumper is most recorded, 80 are also top counties for both the bold jumper and the zebra spider; no other spider shares more. None of its closest neighbors is venomous.
| Species | Shared counties |
|---|---|
| Bold jumper | 80 |
| Zebra spider | 80 |
| Triangulate bud spider | 63 |
| Familiar jumping spider | 62 |
| Nursery web spider | 59 |
| Flea jumping spider | 58 |
| Parson spider | 58 |
| Dark fishing spider | 56 |
Related species in the U.S.
Other members of the family Salticidae with profiles here: Bold jumper, Familiar jumping spider, Zebra spider, Bronze jumper, Magnolia green jumper and Half-edged wall jumping spider.
GBIF records read 2026-09-29. Listed: any license. Counted: CC0/CC BY only. How we count.