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Plant nectar contributes to the surv...

Taylor, Robin M.

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Plant nectar contributes to the survival, activity, growth, and fecundity of the nectar-feeding wandering spider Cheiracanthium inclusum (Hentz) (Araneae: Miturgidae).

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Plant nectar contributes to the survival, activity, growth, and fecundity of the nectar-feeding wandering spider Cheiracanthium inclusum (Hentz) (Araneae: Miturgidae)./
作者:	Taylor, Robin M.
面頁冊數:	151 p.
附註:	Source: Dissertation Abstracts International, Volume: 65-09, Section: B, page: 4389.
Contained By:	Dissertation Abstracts International65-09B.
標題:	Biology, Ecology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3148407
ISBN:	0496066323

Plant nectar contributes to the survival, activity, growth, and fecundity of the nectar-feeding wandering spider Cheiracanthium inclusum (Hentz) (Araneae: Miturgidae).
Taylor, Robin M.

Plant nectar contributes to the survival, activity, growth, and fecundity of the nectar-feeding wandering spider Cheiracanthium inclusum (Hentz) (Araneae: Miturgidae). - 151 p.

Source: Dissertation Abstracts International, Volume: 65-09, Section: B, page: 4389.

Thesis (Ph.D.)--The Ohio State University, 2004.

Spiders are valued for their predation of insect pests, and, evaluated as an "assemblage" of species that employ different predatory strategies, constitute a natural biological control, particularly in agricultural crops. Spiders are obligate carnivores, requiring prey for normal growth, development, and reproduction. Because biologists have worked under the assumption that spiders are exclusively carnivorous, studies of the ecology of spiders and their acquisition and allocation of energy have assumed that prey is the single object of any spider's foraging. The discovery in 1984 that orb-weaving spiderlings benefited nutritionally from pollen grains incidentally trapped by their webs, which they eat and recycle, was noteworthy.

ISBN: 0496066323Subjects--Topical Terms:

1017726
Biology, Ecology.

Plant nectar contributes to the survival, activity, growth, and fecundity of the nectar-feeding wandering spider Cheiracanthium inclusum (Hentz) (Araneae: Miturgidae).
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245 1 0 $a Plant nectar contributes to the survival, activity, growth, and fecundity of the nectar-feeding wandering spider Cheiracanthium inclusum (Hentz) (Araneae: Miturgidae).
300 $a 151 p.
500 $a Source: Dissertation Abstracts International, Volume: 65-09, Section: B, page: 4389.
500 $a Adviser: Richard A. Bradley.
502 $a Thesis (Ph.D.)--The Ohio State University, 2004.
520 $a Spiders are valued for their predation of insect pests, and, evaluated as an "assemblage" of species that employ different predatory strategies, constitute a natural biological control, particularly in agricultural crops. Spiders are obligate carnivores, requiring prey for normal growth, development, and reproduction. Because biologists have worked under the assumption that spiders are exclusively carnivorous, studies of the ecology of spiders and their acquisition and allocation of energy have assumed that prey is the single object of any spider's foraging. The discovery in 1984 that orb-weaving spiderlings benefited nutritionally from pollen grains incidentally trapped by their webs, which they eat and recycle, was noteworthy.
520 $a Growing evidence indicates that a large group of spiders may routinely exploit another plant-based food source: plant nectar. Observations of nectar feeding have been reported among crab spiders (Thomisidae), jumping spiders (Salticidae), and running spiders (Anyphaenidae, Clubionidae, and Corinnidae), all non-webbuilding wanderers that occupy vegetation. Spiders have the capacity to detect and digest plant nectar, and spiders that wander in vegetation are able to encounter nectar. Lab experiments show that newly-emerged, prey-deprived spiders live longer if they are provided with sucrose, a nectar proxy. My laboratory experiments show that plant nectar contributed significantly to the survival of newly-emerged Hibana velox Becker (Anyphaenidae), and to the survival, growth, activity, and fecundity, of Cheiracanthium inclusum (Hentz) (Miturgidae, formerly in Clubionidae). Both are highly active nocturnal running (also called "sac") spiders. Experiments with C. inclusum measuring nighttime activity, and measuring the effects of adding plant nectar to varying levels of prey, the eggs of Helicoverpa zea (Boddie) (Lepidoptera: Noctuidae), suggest that the simple sugars of plant nectar fuel the spider's energetic activity, allowing the nutritional benefits of prey to be allocated to growth and reproduction. Spiders receiving a marginal amount of prey, for example, were able to mature and reproduce only if they also received plant nectar. During two successive growing seasons, nearly one third, and one quarter (respectively) of wandering spiders sampled from nectar-producing cotton plants tested positive for fructose, a plant-derived sugar. Pilot studies also showed increased survival and molting in C. inclusum provided with honeydew.
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650 4 $a Agriculture, Agronomy. $3 1018679
650 4 $a Agriculture, Plant Pathology. $3 1028950
650 4 $a Biology, Entomology. $3 1018619
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