Gladicosa

Brady, 1987

Sword Wolf Spiders

Species Guides

2

Gladicosa is a of wolf spiders ( Lycosidae) found in the United States and Canada. The genus contains five recognized , with Gladicosa gulosa as the type species. Several species have been subjects of behavioral and ecological research, particularly regarding courtship communication and -prey interactions with vertebrates.

Gladicosa gulosa by (c) Bill Keim, some rights reserved (CC BY). Used under a CC-BY license.Gladicosa pulchra 2 by Patrick Edwin Moran. Used under a CC BY-SA 4.0 license.Gladicosa pulchra 1 by Patrick Edwin Moran. Used under a CC BY-SA 4.0 license.

Pronunciation

How to pronounce Gladicosa: /ˈɡlædɪˌkoʊsə/

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Distribution

United States and Canada. records include: G. bellamyi (USA), G. euepigynata (USA), G. gulosa (USA, Canada), G. huberti (USA), and G. pulchra (USA).

Behavior

Gladicosa gulosa produces vibratory signals during courtship, described as "purring," with specific male and female associated with mating success. Gladicosa pulchra has been documented as a of small vertebrates including ground skinks (Scincella lateralis) and spotted salamanders (Ambystoma maculatum) in experimental conditions, though events were relatively infrequent. G. gulosa has been recorded as a for the spider wasp Priocnemis minorata and the Anoplius aethiops.

Ecological Role

. Gladicosa pulchra functions as an predator capable of intraguild on small vertebrates, with structural refugia playing a significant role in predator-prey outcomes.

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Research Significance

Gladicosa gulosa has become a study system for and animal communication research due to its distinctive vibratory courtship signals. Gladicosa pulchra has been used in experimental studies examining the ecological complexity of -vertebrate -prey relationships.

Sources and further reading