R. Pfannenstiel

Publications51
h-index15
Citations886
Highly Influential Citations50
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Spider predators of lepidopteran eggs in south Texas field crops
Observations were made of spiders attacking lepidopteran eggs in south Texas field crops (cotton, corn, and soybean) from 2001 to 2004. Twelve species of spider from seven families were observed… Expand
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Identification and Diel Activity Patterns of Predators Attacking Helicoverpa zea (Lepidoptera: Noctuidae) Eggs in Soybean and Sweet Corn
Abstract Predation on lepidopteran eggs in soybean and corn and the temporal partitioning of predation among the predator species were examined in soybean Glycine max (L.) and sweet corn Zea mays… Expand
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Sampling Eoreuma loftini (Lepidoptera: Pyralidae) on Texas Sugarcane
Sugarcane fields of different types were sampled for 3 yr to determine the seasonal density, spatial dispersion, and within-field stratification of larvae and pupae of Mexican rice borer, Eoreuma… Expand
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Barcoding generalist predators by polymerase chain reaction: carabids and spiders
Identification of arthropod predators is challenging when closely related species are found at a given locality. Identification of the immature stages is especially problematic, because… Expand
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Nectar Feeding by Wandering Spiders on Cotton Plants
Abstract Spiders are assumed to be strictly carnivorous in assessments of their nutritional and energetic requirements, their habitat preferences, and their potential as biological control agents.… Expand
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The Role of Generalist Predators in Terrestrial Food Webs: Lessons for Agricultural Pest Management
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Orientation of a hemipteran predator to vibrations produced by feeding caterpillars
Observations of search behavior in the predatory stinkbugPodisus maculiventris (Say) suggested that vibrations produced by prey as they chew on leaves may be an important cue used by this predator to… Expand
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Culicoides-virus interactions: infection barriers and possible factors underlying vector competence.
In the United States, Culicoides midges vector arboviruses of economic importance such as Bluetongue Virus and Epizootic Hemorrhagic Disease Virus. A limited number of studies have demonstrated the… Expand
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Management of North American Culicoides Biting Midges: Current Knowledge and Research Needs.
Culicoides biting midges (Diptera: Ceratopogonidae) are biological vectors of two important viruses impacting North American ruminants--bluetongue virus (BTV) and epizootic hemorrhagic disease virus… Expand
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Development of the Cursorial Spider, Cheiracanthium inclusum (Araneae: Miturgidae), on Eggs of Helicoverpa zea (Lepidoptera: Noctuidae)
Development of the cursorial spider, Cheiracanthium inclusum (Hentz) (Araneae: Miturgidae), from emergence to maturity on a diet of eggs of the lepidopteran pest Helicoverpa zea (Boddie)… Expand
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