Are There Bold Jumping Spiders in Maine?

Yes, bold jumping spiders are found throughout Maine, from coastal regions to inland forests. These small, fuzzy spiders with distinctive white or orange triangular spots are present during the warmer months. Bold jumping spiders are common enough in southern Maine that gardeners encounter them in summer.

By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 20, 2026.

Bold Jumping Spider photographed in Maine — Photos by iNaturalist observers, reused under the licence each observer chose.

Found in Maine

1
species recorded: 223
GBIF records: June, August, May
peak months

Yes, bold jumping spiders are in Maine. Next you'll want:

Real sighting data, source iNaturalist

308 verified observations on iNaturalist of bold jumping spider have been recorded in Maine, most often in June, August, May.

When bold jumping spider are recorded in Maine

Where Bold Jumping Spiders Live in Maine

Bold jumping spiders are found throughout Maine, from coastal regions to inland forests. In southern Maine near Portland, Biddeford, and the coastal areas, they are common and well-established. The rocky Maine coast provides habitat along seagrass areas and coastal vegetation where sunlight is abundant. Cape Elizabeth and other coastal headlands support populations. Inland in southern Maine near Lewiston and Auburn, bold jumping spiders thrive in suburban and agricultural areas. Central Maine around Augusta and the lakes region contains populations, particularly in open woodlands and agricultural settings. The Kennebec River valley and surrounding areas host these spiders. Northern Maine is cooler and less favorable, but bold jumping spiders still occur in warmer pockets and protected areas. Moosehead Lake region and nearby areas support some populations. Mount Katahdin's base and surrounding woods have fewer bold jumping spiders compared to central Maine. In all regions, bold jumping spiders are more abundant in areas with sunlight and vegetation than in dense, closed-canopy forests. They are less common in spruce and fir forests that dominate much of Maine compared to mixed oak and pine areas. Urban and suburban areas throughout Maine harbor populations in yards, gardens, and parks. Acadia National Park areas on Mount Desert Island support populations in open areas and around buildings. Agricultural areas and field edges provide reliable habitat. For information about Maine wildlife,visit the state wildlife hub.Visit the Maine wildlife guide.

Seasonal Timeline of Bold Jumping Spiders in Maine

Bold jumping spiders follow a distinct seasonal cycle in Maine, being active from late spring through early fall. The cooler climate of Maine compared to southern states results in a shorter active season. Spiders emerge in late May and early June as temperatures warm and frost risks diminish. Juveniles are visible by June, having hatched from eggs that overwintered in protected locations. Activity peaks in July and August when temperatures are warmest and insects are abundant. Males become increasingly visible in late summer as they search for mates. Females lay eggs in September and early October, creating silk-enclosed egg sacs that are deposited under tree bark, in curled leaves, in rock crevices, or in other protected locations. These egg sacs must survive Maine's cold winters, typically in deep dormancy. Winter in Maine is harsh, with temperatures regularly dropping well below freezing. No active spiders are visible during winter in most of Maine. The northern regions have even shorter active seasons than the southern areas. Spring typically brings no spider activity until late May when nighttime temperatures consistently stay above freezing. Some overwintering spiders may emerge during warm days in May, but sustained activity does not begin until early June. Weather variations from year to year affect exact timing but the general pattern remains consistent. Cold springs delay spider emergence, while warm springs advance it. For wildlife information, visit/wildlife.

Identification Features of Bold Jumping Spiders

Bold jumping spiders are distinctive and relatively easy to identify once you know what to look for. Adults in Maine typically measure 8 to 15 millimeters in body length. The body is entirely fuzzy and black, with a texture often described as velvet-like. The most recognizable feature is the white or orange triangular marking on the abdomen, which may appear as a simple triangle or a more complex shape but always has an angular quality. This abdominal marking is the key identifying feature that most reliably distinguishes bold jumping spiders from other small spiders. The chelicerae, which are the jaw structures at the front of the head, display an iridescent green color that is highly distinctive. These green mouthparts are visible in good light and unique among Maine's common spiders. The eyes are large and forward-facing, giving bold jumping spiders superior vision compared to most spiders. The body posture is typically upright and alert. Males are often slightly smaller and more vibrantly colored than females. The legs are relatively short compared to body size. Some individuals show more white on the abdominal marking while others display more orange. The fuzzy body texture is unmistakable and helps distinguish bold jumping spiders from other small spiders. Magnification helps distinguish subtle differences, though close observation with the naked eye is usually sufficient. When in doubt about spider identification, remember that jumping spiders are characterized by their forward-facing eyes and active daytime behavior. To learn more about Maine wildlife,visit the wildlife guide.Visit the Maine wildlife guide.

Best Places to Find Bold Jumping Spiders in Maine

Bold jumping spiders in Maine concentrate in habitats with abundant sunlight and diverse vegetation. Flower and vegetable gardens are among the most reliable places to find them during the warm season. Ornamental shrubs and flowering plants attract both spiders and their insect prey. Yards with mixed plantings and good sunlight support numerous individuals. Field edges where grassland meets trees provide excellent habitat with diverse microhabitats. Stone walls, common throughout Maine, often host spiders on sunny faces. Wooden structures including buildings, sheds, fences, and posts provide hunting grounds in window frames, door frames, and along siding. Exposed tree bark on sun-facing trees attracts spiders. Forest edges and clearings in both private woodlands and public forests support populations. The edges of Acadia National Park and other natural areas host spiders in open areas. Wetland edges near streams, ponds, and lakes provide habitat on vegetation and structures. Disturbed areas and roadsides with wildflowers and shrubs concentrate spiders. Gravelly or sandy areas with sparse vegetation offer hunting ground with good visibility. Small parks in towns and cities throughout Maine support populations. Agricultural areas including crop edges and fallow fields harbor populations. Sunlit shrubland, particularly areas with blueberries and other native shrubs common in Maine, support high densities. Rocky areas with vegetation, including coastal rocky areas, host spiders. For more Maine wildlife information,explore the state guide.Visit the Maine wildlife guide.

Behavior and Hunting of Bold Jumping Spiders

Bold jumping spiders are day-active hunters with remarkable vision and hunting abilities. They hunt exclusively during daylight hours, moving slowly across surfaces in search of prey. Their forward-facing eyes provide superior vision allowing them to spot movement and distinguish colors far better than web-building spiders. When prey is detected, spiders stalk toward it with careful, deliberate movements, pausing frequently to observe. Once prey is within pouncing distance, typically within a few centimeters, the spider rapidly accelerates and launches itself with powerful hind legs, covering several times its body length through the air. This pouncing strategy allows them to capture flying insects and other mobile prey that web-building spiders cannot catch. Upon landing on prey, they quickly immobilize it with fangs and jaw structures. In Maine, their diet includes flies, gnats, mosquitoes, small moths, small beetles, aphids, mites, and other small insects. Males are more active and visible than females, particularly during mating season. Males perform elaborate courtship displays involving leg waving, body movements, and abdominal vibrations to attract females. Females are more sedentary and cryptic. Both sexes enjoy basking on sunny days. At night and during cool weather, spiders retreat into protected locations. They do not construct webs or shelters but settle into crevices, under bark, in leaf litter, or other existing protected spots. Activity level correlates directly with temperature and sunlight availability. Visit/wildlifeto learn about other Maine animals.

Harmlessness and Coexistence with Bold Jumping Spiders

Bold jumping spiders are absolutely harmless to people, pets, and property in Maine. They are not aggressive and do not attack unless roughly handled or crushed. Even if a spider is crushed, its bite is ineffective due to small fangs that cannot penetrate human skin. Many people keep bold jumping spiders as pets because they are docile, safe to interact with, and fascinating to observe. No legal protections exist for bold jumping spiders in Maine, as they are common and not threatened. The spiders cause no damage to structures and do not infest buildings or stored foods. If a spider enters a home, it typically hunts small insects and causes no problems. Simple removal involves gently capturing the spider on paper and releasing it outside. Killing them is unnecessary. In gardens and yards, bold jumping spiders are beneficial because they consume insects people often consider pests. Mosquitoes, flies, gnats, and small wasps are among their prey. Their presence indicates a healthy ecosystem with good insect diversity. Children can safely observe and handle bold jumping spiders under adult supervision. The spiders are strong enough to survive gentle handling but delicate enough to require care not to crush them. Having these spiders around a property is desirable from a pest management perspective. No protective equipment or precautions are needed when working in areas where these spiders occur. For comprehensive information about Maine wildlife and safety,consult the state wildlife resources.

Similar Species in Maine

Several other jumping spider species could potentially be confused with bold jumping spiders in Maine, though key differences help distinguish them. The regal jumping spider is larger, reaching 20 millimeters compared to the 8 to 15 millimeter size of bold jumping spiders. Regals have more complex and colorful patterns with white, black, and reddish marking. Their facial pattern is distinctly different from bold jumping spiders. The zebra jumping spider has prominent white or light bands crossing the abdomen in a striped pattern, rather than the solid black with triangular spot pattern of bold jumping spiders. Wolf spiders, which are common in Maine, are much larger and have different body structure and hunting behavior. They hunt on the ground and often carry egg sacs or young. Lynx spiders have a different body shape and markings and use different hunting strategies. Small ground spiders and hunting spiders might be confused with jumping spiders but lack the characteristic forward-facing large eyes. The iridescent green chelicerae combined with the triangular abdominal spot and small size uniquely identify bold jumping spiders. Once you recognize these diagnostic features, identification is straightforward. Magnification can help confirm identity but the characteristic features are visible to the naked eye. To learn more about Maine's spiders and other wildlife,visit the wildlife guide.

Frequently Asked Questions About Maine Bold Jumping Spiders

How long do bold jumping spiders live in Maine? Bold jumping spiders in Maine typically live about one year from hatching. Eggs laid in fall remain dormant over Maine's winter and hatch in spring. Spiders grow throughout spring and summer and breed in late summer and fall before dying in early winter. Are bold jumping spiders active in Maine's winter? No, bold jumping spiders are not active during Maine's winter months. They are not visible from approximately November through May depending on exact weather patterns. Eggs laid in fall are dormant and protected by silk coverings. Can I find bold jumping spiders in Maine's woods? Bold jumping spiders are found in Maine's woodlands but are more common in open areas and forest edges where sunlight reaches. Dense, closed-canopy forests have fewer spiders compared to mixed forests with openings. Can I keep a bold jumping spider as a pet in Maine? Yes, bold jumping spiders make good pets and are legal to keep in Maine. They are docile, safe, and fascinating to observe. They need only a small container, surfaces to climb, water access, and occasional live insects for food. Bold jumping spiders are beneficial, harmless residents of Maine during the warmer months. From southern Maine's coastal areas to central inland regions, these spiders play an important role controlling insect populations. Their short active season makes summer encounters valuable for observation and appreciation.

Plan your trip

Best time to see bold jumping spider in Maine: June, August, May

See the month-by-month sighting calendar.

When to go

Plan your bold jumping spider sighting in Maine

223 verified bold jumping spider records have been logged in Maine, most recently in 2026. See the GBIF records.

Where to look in Maine

Acadia National Park · Wildlife Watching, Birdwatching · Find hotels
Appalachian National Scenic Trail · Wildlife Watching, Birdwatching · Find hotels
Katahdin Woods and Waters National Monument · Wildlife Watching, Birdwatching · Find hotels
Saint Croix Island International Historic Site · Wildlife Watching · Find hotels
Frances Perkins National Monument · Find hotels
Maine Acadian Culture · Find hotels

Planning a trip to see bold jumping spider? Find places to stay near Acadia National Park on Booking.com.

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