Linked Life Data

19418598

Source:http://linkedlifedata.com/resource/pubmed/id/19418598

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
2009-5-5
pubmed:abstractText
The bed bug, Cimex lectularius, aggregates under filter paper disks previously stained by adults. A multiple choice assay was used to determine differences in aggregation behavior among two strains, multiple lifestages, and levels of starvation. There were no differences in level of aggregation between established and recently derived strains, or among adults and nymphs of different instars. Propensity to aggregate decreased with time since feeding, but preference for stained disks remained high. We also examined which sensory structures mediate aggregation, and whether antennectomy affected movement, orientation, and arrestment under stained disks. Bed bugs that were left intact, blinded, or surgically altered by the removal of probosci or the distal antennal segments exhibited high levels of aggregation under stained disks. However, the removal of the pedicel significantly reduced aggregation compared to intact bugs. Video recordings of movement and orientation by bugs with intact, partial and complete antennectomies demonstrated that neither partial nor complete antennectomies affected walking speed, path straightness, direction of movement or frequency of encounters with either stained or clean disks. However, complete removal of both antennae significantly reduced the percentage of encounters with stained disks that resulted in arrestment. These findings suggest aggregation by bed bugs is a result of arrestment mediated by direct, close-range contact between sensilla on the pedicel and stained disks.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
1879-1611
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
55
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
580-7
pubmed:meshHeading
pubmed:year
2009
pubmed:articleTitle
Off-host aggregation behavior and sensory basis of arrestment by Cimex lectularius (Heteroptera: Cimicidae).
pubmed:affiliation
Department of Entomology, University of Minnesota, St. Paul, MN 55108, USA. fili0030@umn.edu
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't