Drassyllus prosaphes
Chamberlin, 1936
Drassyllus prosaphes is a of ground spider in the Gnaphosidae, first described by Chamberlin in 1936. It belongs to a of small to medium-sized hunting spiders commonly found in leaf litter and soil . The species occurs in the southwestern United States and Mexico. Like other members of Gnaphosidae, it lacks a permanent web and actively pursues prey.
Pronunciation
How to pronounce Drassyllus prosaphes: /dɹəˈsɪləs proʊˈseɪfiz/
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Identification
As with most Drassyllus , identification to species level requires examination of genitalia under magnification. The is characterized by cylindrical , posteriorly positioned , and the presence of a distinctive calamistrum (a row of bristles on the of leg IV) used for silk production. Species-level distinctions within Drassyllus rely primarily on male palpal bulb and female epigynal .
Habitat
Ground-dwelling; associated with leaf litter, soil surfaces, and ground debris in arid and semi-arid environments.
Distribution
Southwestern United States (Arizona, New Mexico, Texas) and Mexico.
Behavior
active hunter that does not construct capture webs. Produces silk draglines and retreats.
Ecological Role
of small arthropods in soil and ground surface .
Similar Taxa
- Drassyllus spp.Other members of the share general body plan and preferences; -level identification requires genitalic examination.
- Gnaphosa spp.Related ground spiders in the same with similar ecological habits; distinguished by abdominal shape and position.