Menemerus

Simon, 1868

Wall Jumping Spiders

Species Guides

2

Menemerus is a of jumping spiders (Salticidae) first described by Eugène Louis Simon in 1868. range from 4 to 10 millimeters in body length, with flattened bodies and dense hair covering. The genus is found worldwide in warmer climates and includes approximately 64 species as of 2025. Several species are notable for their association with vertical surfaces such as walls.

Menemerus bivittatus by (c) Roberto Daniel Avila, some rights reserved (CC BY), uploaded by Roberto Daniel Avila. Used under a CC-BY license.Menemerus bivittatus by (c) Douglas, some rights reserved (CC BY), uploaded by Douglas. Used under a CC-BY license.Menemerus bivittatus by (c) portioid, some rights reserved (CC BY), uploaded by portioid. Used under a CC-BY license.

Pronunciation

How to pronounce Menemerus: //mɛˈnɛmərəs//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Flattened body shape with very hairy covering, usually in brown and grayish tones. Most display white edges on the . shape variable: oval, elongated, or rounded. Size range 4–10 mm.

Images

Habitat

Worldwide in warmer climates. Some , such as M. bivittatus, are strongly associated with vertical surfaces including exterior walls of buildings.

Distribution

in tropical and subtropical regions globally. Introduced of some (e.g., M. bivittatus) established in Florida, Texas, southern California, and other warm-temperate areas.

Human Relevance

M. bivittatus (Gray Wall Jumper) has been introduced to North America and is commonly observed on building exteriors.

Similar Taxa

  • Platycryptus undatusSimilar size and markings; both found on vertical surfaces. Platycryptus is native to North America with much broader range extending into southern Canada, and lacks the introduced status of M. bivittatus.

Sources and further reading