Population Trends and Location of Spiders in Loblolly Pines, with Notes of Predation on the Rhyacionia Complex (Lepidoptera: Olethreutidae)1

Autor:	Harley G. Raney, Anthony B. Bosworth, Raymond D. Eikenbary, Edward D. Sturgeon, Robert D. Morrison
Rok vydání:	1971
Předmět:	education.field_of_study Mangora gibberosa biology Anyphaenidae Ecology Population Cyclosa conica Theridiidae Oxyopes salticus biology.organism_classification Predation Insect Science Rhyacionia education
Zdroj:	Annals of the Entomological Society of America. 64:864-870
ISSN:	1938-2901 0013-8746
DOI:	10.1093/aesa/64.4.864
Popis:	Little research has been published on the importance of spiders as predators in pines in the United States. The objectives of this study were to determine spider populations and their diurnal trends on plantation pines in Oklahoma, to determine relationships among species and locations on trees, and to note predation on species of the Rhyacionia complex. Fifteen families of spiders were collected from 2 locations, the most prevalent families being Anyphaenidae, Theridiidae, Salticidae, Argiopidae, and Oxypidae. Included in the collection were 52 genera and 55 species. Spiders frequently encountered were Anyphaena celer (Hentz), Theridion murarium Emerton, Mangora gibberosa (Hentz), Cyclosa conica (Pallas), Paraphidippus marginatus (Walckenaer), and Oxyopes salticus (Hentz). More spiders were collected on the upper 2 height levels of the tree. Most of the spiders collected were immature. Predation on Rhyacionia was observed by the following species in the order of observed importance: C. conica, P. marginatus, Frontinella communis (Hentz), M. gibberosa, Thiodina puerpera (Hentz), and Metaphidippus galathea (Walckenaer).
Databáze:	OpenAIRE
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