Ebo latithorax

Keyserling, 1884

running crab spider

Ebo latithorax is a of running crab in the Philodromidae. It belongs to a characterized by exceptionally long second legs that are at least twice the length of the other legs, giving these small spiders an unusual 'wingspan' relative to their body size. The species is found in the United States and Canada, with records from Alberta, Manitoba, and Saskatchewan. Like other philodromids, it is an active hunter that prowls for among vegetation rather than building webs to capture food.

Common Spiders U.S. 111 by James Henry Emerton (1847 – 1931). Used under a Public domain license.

Pronunciation

How to pronounce Ebo latithorax: /ˈiːboʊ ˌlætɪˈθɔːræks/

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

Identification

The Ebo is distinguished from other running crab (Philodromidae) by the extreme elongation of the second pair of legs, which are at least twice as long as legs I, III, and IV. This trait is diagnostic for the genus and immediately apparent even in small specimens. Ebo latithorax specifically may be distinguished from other Ebo by geographic range and subtle morphological differences, though species-level identification typically requires examination of genitalic structures. The spider should not be confused with the similar genus Titanebo, which was recently separated from Ebo and contains several former 'Ebo' species; Titanebo species may overlap in range and general appearance.

Images

Appearance

Small-bodied with the second pair of legs dramatically elongated—at least twice as long as the other legs. Body length typically 2–6 mm, with E. latithorax specimens likely falling toward the smaller end of this range. The Ebo has a distinctive 'all elbows' appearance due to the extreme leg proportions. Coloration and detailed body markings specific to E. latithorax are not well documented in available sources.

Habitat

Found among grasses and foliage where it actively hunts for . At least two Ebo frequent pecan groves in Texas, suggesting similar agricultural or semi-cultivated may be used by E. latithorax. The reaches greatest diversity in the southwestern United States, though E. latithorax has a more northerly distribution.

Distribution

Recorded from the United States and Canada. Specific Canadian provincial records include Alberta, Manitoba, and Saskatchewan. The appears to have a northern distribution within the , which is broadly distributed across the U.S. and extends into extreme southern Canada.

Diet

Active that hunts among vegetation. Specific prey records for E. latithorax are not available, but philodromid generally capture small and other encountered on plants.

Behavior

Active hunter that prowls for rather than building capture webs. Typical of running crab , it likely relies on speed and stealth to approach and seize prey. No specific behavioral observations for E. latithorax have been published.

Ecological Role

in grassy and foliar ; potential minor contributor to natural pest control in agricultural settings such as pecan groves, based on observations of .

Human Relevance

No direct human interactions documented. Related in the provide minor natural pest control in pecan .

Similar Taxa

Titanebo speciesFormerly classified in Ebo; separated based on morphological differences. May overlap in range and general appearance, requiring careful examination for distinction.
Other Philodromidae generaRunning crab in such as Philodromus have less dramatically elongated second legs; leg proportions are diagnostic for Ebo.

More Details

Taxonomic history

The Ebo was established by German arachnologist Eugen von Keyserling in 1884. The name 'Ebo' appears to derive from a medieval German diminutive of 'Ebur,' meaning 'prince' or 'lord.' Recent taxonomic revisions have reassigned several North formerly in Ebo to the genus Titanebo, leaving seven recognized species in Ebo stricto in North America.

Genus-level characteristics

The Ebo is noted for having perhaps the greatest leg span relative to body size of any North due to the extreme elongation of the second pair of legs.