Bug FAQBronze Jumping Spider
Eris militaris · Order: Araneae · Family: Salticidae
Also called: Bronze Lake Jumper, bronze jumper
Adult males are 4.7 to 6.7 mm long and females 6 to 8 mm long. Males have a dark front body with white side bands, while females have a lighter front and a darker abdomen with white spots. They live in the United States and Canada, in both suburban and rural areas, including apple orchards where insecticides may be used.
Source: Wikipedia
How to recognize it
Females show a lighter cephalothorax and a darker abdomen with white spots. Males have a lighter abdomen, a darker cephalothorax, and white bands along the sides.
Source: Wikipedia
Size
Males range from 4.7 to 6.7 mm, females from 6 to 8 mm in length.
Source: Wikipedia
Is it a pest in the house?
Can hide in dense vegetation like blackberry bushes where leaves overlap. During autumn and winter they seek shelter in vegetation.
Source: Wikipedia
Where it lives
Found throughout the United States and Canada in suburban and rural settings. Also occurs in apple orchards, where insecticides may be present.
Source: Wikipedia
When you see it
Active during autumn and winter. Often found in groups from autumn through winter.
Source: Wikipedia
Where it comes from
Its native range includes the United States and Canada.
Source: Wikipedia
Where it is found in the US
Recorded in 49 of 51 states and DC. Most records: Texas, Pennsylvania, Maryland, Virginia, New York, Massachusetts, Ohio, Washington.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada; native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
What do they eat?
They hunt small insects such as grasshoppers, moths, flies, and other spiders.
Source: Wikipedia
Same family (Salticidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Eris_militaris
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-22 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-22.