Interactions between the Encelia leaf beetle and its host plant, Encelia farinosa: The influence of acidic fog on insect growth and plant chemistry

1997 ◽  
Vol 95 (2) ◽  
pp. 241-248 ◽  
Author(s):  
R.A. Redak ◽  
J.T. Trumble ◽  
T.D. Paine
Keyword(s):  
Host Plant ◽  
Leaf Beetle ◽  
Plant Chemistry ◽  
Insect Growth ◽  
Acidic Fog ◽  
Encelia Farinosa

Anthraquinones in the Leaf Beetle Trirhabda geminata (Chrysomelidae)

1996 ◽  
Vol 51 (3-4) ◽  
pp. 249-252 ◽  
Author(s):  
Arno Kunze ◽  
Ludger Witte ◽  
Manuel Aregullin ◽  
Eloy Rodriguez ◽  
Peter Proksch
Keyword(s):  
Developmental Stage ◽  
Host Plant ◽  
Developmental Stages ◽  
Leaf Beetle ◽  
Specialist Herbivore ◽  
Encelia Farinosa

Abstract Hydroxylated anthraquinones have been found to accumulate in different developmental stages of the chrysomelid beetle Trirhabda geminata. Eggs, larvae and adults were analyzed by HPLC and GC-MS. Each developmental stage analyzed contained 1,8-dihydroxy-3-methyl-anthraquinone (chrysophanol) and 1,8-dihydroxyanthraquinone (chrysazin). No anthraquinones were detected in the faeces of T. geminata. The level of stored anthraqui­ nones did not change during starvation. In the host plant of this specialist herbivore, the brittlebush Encelia farinosa (Asteraceae), anthraquinones were not detected. Possible biolog­ical functions of anthraquinones stored in T. geminata are discussed.

Influence of prey size and environmental factors on predation by Podisus maculiventris (Hemiptera: Pentatomidae) on viburnum leaf beetle (Coleoptera: Chrysomelidae)

2008 ◽  
Vol 140 (2) ◽  
pp. 192-202 ◽  
Author(s):  
Gaylord A. Desurmont ◽  
Paul A. Weston
Keyword(s):  
Host Plant ◽  
Plant Species ◽  
Biological Control Agent ◽  
Handling Time ◽  
Leaf Beetle ◽  
Podisus Maculiventris ◽  
Viburnum Opulus ◽  
Host Plant Species ◽  
Search Area ◽  
Rate Of Increase

AbstractExperiments were conducted under laboratory conditions to determine the influence of the relative sizes of predator and prey, temperature, presence of refugia, size of the search area, and host-plant species on the predation performance of Podisus maculiventris (Say) nymphs against viburnum leaf beetle, Pyrrhalta viburni (Paykull), a new landscape pest in North America that feeds on the foliage of species of Viburnum L. (Caprifoliaceae). Predator handling time was positively correlated with body mass of the prey for all instars of P. maculiventris, but the rate of increase of handling time relative to prey mass decreased as predator age increased. Temperature was positively correlated with predation rates, but the presence of refugia did not have an impact on predation. The influence of host-plant species and size of the search area was tested on southern arrowwood (Viburnum dentatum L.) and American cranberrybush (Viburnum opulus L. var. americanum Aiton). There was a significant interaction between plant species and size of the search area, the species effect becoming significant as leaf surface area increased. In the case of southern arrowwood a negative correlation between size of the search area and predation rate was also detected. The identification of these factors adds valuable knowledge for using P. maculiventris as a biological-control agent against P. viburni.

scholarly journals Host plant finding in the specialised leaf beetle Cassida canaliculata: an analysis of small-scale movement behaviour

2007 ◽  
Vol 0 (0) ◽  
pp. 070130195410001-??? ◽  
Author(s):  
ANNETTE HEISSWOLF ◽  
SANDRA ULMANN ◽  
ELISABETH OBERMAIER ◽  
OLIVER MITESSER ◽  
HANS JOACHIM POETHKE
Keyword(s):  
Host Plant ◽  
Leaf Beetle ◽  
Small Scale ◽  
Movement Behaviour

Climate and host plant availability impact the future distribution of the bean leaf beetle (Cerotoma trifurcata)

2014 ◽  
Vol 20 (9) ◽  
pp. 2778-2792 ◽  
Author(s):  
Emily A. Berzitis ◽  
Jordan N. Minigan ◽  
Rebecca H. Hallett ◽  
Jonathan A. Newman
Keyword(s):  
Host Plant ◽  
Leaf Beetle ◽  
Cerotoma Trifurcata ◽  
Plant Availability ◽  
Bean Leaf Beetle ◽  
The Future

Effects of single and mixed infections of Bean pod mottle virus and Soybean mosaic virus on host‐plant chemistry and host–vector interactions

2016 ◽  
Vol 30 (10) ◽  
pp. 1648-1659 ◽  
Author(s):  
Maria Fernanda G. V. Peñaflor ◽  
Kerry E. Mauck ◽  
Kelly J. Alves ◽  
Consuelo M. De Moraes ◽  
Mark C. Mescher
Keyword(s):  
Host Plant ◽  
Mosaic Virus ◽  
Soybean Mosaic Virus ◽  
Mottle Virus ◽  
Mixed Infections ◽  
Plant Chemistry ◽  
Bean Pod Mottle Virus
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