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Spiders of the genus Lutica are fossorial inhabitants of coastal dunes of southern California, Baja California and the California Channel Islands. They live in silk-lined burrows concentrated beneath dune vegetation. Lutica are sit-and-wait predators that subdue insects that walk near or over burrows . They are sedentary and do not engage in aerial dispersal via ballooning . Adult males abandon their burrows during the late summer and early fall to wander in search of females . Females produce eggsacs and guard them till they die; spiderlings emerge in the spring. Dune trapdoor spiders (Aptostichus simus) prey on Lutica, while the larvae of a therevid fly are external parasites.

Recommended Citation

Ramirez, M. G. (1995). Natural history of the spider genus Lutica (Araneae, Zodariidae). Journal of Arachnology 23: 111-117.

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