Agelenids of the World

Systematics and Taxonomy of Agelenidae, a Worldwide distributed Spider Family

Biological notes on the spiders of some citrus groves in central and southern California

Publication Type:Journal Article
Year of Publication:1980
Authors:D. P. Carroll
Journal:Entomological News
Date Published:1980
ISBN Number:0013-872X
Keywords:[Community structure / / ] [California / / Central & southern, Araneae (Arachnida): [Predator]., Araneae [Prey / / Insecta, Citrus, Citrus groves] [Feeding behaviour / / ], community structure & feeding behaviour]., Diet, Ecology, grove, Land zones, Nearctic region, North America, Nutrition, USA

This list of the spider species found in several citrus groves in central and southern California is supplemented with biological notes on the more abundant species. Spiders outnumbered all other large predators in the citrus canopy and were abundant in the litter. Oxyopes scalaris (Oxyopidae), Thiodina cf. T. sylvana (Salticidae), Misumenops spp. (Thomisidae) and Trachelas pacificus (Clubionidae) were the most abundant vagrant spiders in the canopy. The diet of these spiders is discussed, with emphasis on the spiderlings. Abundant web-building spiders in the canopy were typically small-sized species. These included Theridion leechi (Theridiidae), Erigone dentosa (Linyphiidae) and Dictyna reticulata (Dictynidae). Hololena spp. (Agelenidae) were the only abundant web-building large spiders. Sac spiders (Clubionidae) are probably the most promising natural enemies of citrus pest arthropods.

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