Phylum Arthropoda - Arthropods The following data is based on images submitted and identified by contributors. Range and date information may be incomplete, overinclusive, or just plain wrong.
| Contributed Images Map | No Images Images |  | | Credits: Generated with MapServer. BugGuide integration kindly provided by Mike Boone. |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | | Alabama |  |  |  |  |  |  |  |  |  |  |  |  |
| Alaska |  |  |  |  |  |  |  |  |  |  |  |  |
| Alberta |  |  |  |  |  |  |  |  |  |  |  |  |
| Arizona |  |  |  |  |  |  |  |  |  |  |  |  |
| Arkansas |  |  |  |  |  |  |  |  |  |  |  |  |
| British Columbia |  |  |  |  |  |  |  |  |  |  |  |  |
| California |  |  |  |  |  |  |  |  |  |  |  |  |
| Colorado |  |  |  |  |  |  |  |  |  |  |  |  |
| Connecticut |  |  |  |  |  |  |  |  |  |  |  | |
| Delaware |  |  |  |  |  |  |  |  |  |  |  |  |
| District of Columbia | |  | |  |  |  |  |  |  |  |  | |
| Florida |  |  |  |  |  |  |  |  |  |  |  |  |
| Georgia |  |  |  |  |  |  |  |  |  |  |  |  |
| Hawaii |  |  |  |  |  |  |  |  |  |  |  |  |
| Idaho | | |  |  |  |  |  |  |  |  |  | |
| Illinois |  |  |  |  |  |  |  |  |  |  |  |  |
| Indiana |  |  |  |  |  |  |  |  |  |  |  |  |
| Iowa |  |  |  |  |  |  |  |  |  |  |  |  |
| Kansas |  | |  |  |  |  |  |  |  |  |  |  |
| Kentucky | | |  |  |  |  |  |  |  |  |  |  |
| Louisiana |  |  |  |  |  |  |  |  |  |  |  |  |
| Maine |  | |  |  |  |  |  |  |  |  |  |  |
| Manitoba | | | |  |  |  |  |  |  |  | | |
| Maryland |  |  |  |  |  |  |  |  |  |  |  |  |
| Massachusetts |  |  |  |  |  |  |  |  |  |  |  |  |
| Michigan |  |  |  |  |  |  |  |  |  |  |  |  |
| Minnesota |  |  |  |  |  |  |  |  |  |  |  |  |
| Mississippi |  |  |  |  |  |  |  |  |  |  |  |  |
| Missouri |  |  |  |  |  |  |  |  |  |  |  |  |
| Montana | |  |  |  |  |  |  |  |  |  |  |  |
| Nebraska | | |  |  |  |  |  |  |  |  |  | |
| Nevada | |  |  |  |  |  |  |  |  |  | | |
| New Brunswick | | |  |  |  |  |  |  |  |  |  |  |
| New Hampshire |  |  |  |  |  |  |  |  |  |  |  |  |
| New Jersey |  |  |  |  |  |  |  |  |  |  |  |  |
| New Mexico |  |  |  |  |  |  |  |  |  |  |  |  |
| New York |  |  |  |  |  |  |  |  |  |  |  |  |
| Newfoundland/Labrador | |  |  |  |  |  |  |  |  |  |  | |
| North Carolina |  |  |  |  |  |  |  |  |  |  |  |  |
| North Dakota | | |  |  |  |  |  |  |  |  |  | |
| Northwest Territories | | | | | | |  | | | | | |
| Nova Scotia | | | | |  |  |  |  |  |  | | |
| Nunavut | | | | | | | | | | | | |
| Ohio |  |  |  |  |  |  |  |  |  |  |  |  |
| Oklahoma |  |  |  |  |  |  |  |  |  |  |  |  |
| Ontario |  |  |  |  |  |  |  |  |  |  |  |  |
| Oregon |  |  |  |  |  |  |  |  |  |  |  |  |
| Pennsylvania |  |  |  |  |  |  |  |  |  |  |  |  |
| Prince Edward Island | | | | |  | |  | |  | | | |
| Quebec |  |  |  |  |  |  |  |  |  |  |  |  |
| Rhode Island | |  |  |  |  |  |  |  |  |  |  | |
| Saskatchewan |  | | |  |  |  |  |  |  |  |  |  |
| South Carolina |  |  |  |  |  |  |  |  |  |  |  |  |
| South Dakota | |  |  |  |  |  |  |  |  |  |  | |
| Tennessee |  |  |  |  |  |  |  |  |  |  |  |  |
| Texas |  |  |  |  |  |  |  |  |  |  |  |  |
| Utah |  |  |  |  |  |  |  |  |  |  |  |  |
| Vermont |  |  |  |  |  |  |  |  |  |  |  | |
| Virginia |  |  |  |  |  |  |  |  |  |  |  |  |
| Washington |  |  |  |  |  |  |  |  |  |  |  |  |
| West Virginia |  |  |  |  |  |  |  |  |  |  |  |  |
| Wisconsin |  |  |  |  |  |  |  |  |  |  |  |  |
| Wyoming | | | |  |  |  |  |  |  |  |  |  |
| Yukon Territory | | | | | |  |  |  | | | | |
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