Browsing by Author/Contributor "Cocroft, Reginald B. (Reginald Bifield), 1960-"
Now showing items 1-9 of 9
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Age effects on reproductive behavior in the treehopper umbonia crassiscornis (Hemipera: membracidae)
De Luca, Paul Anthony, 1971- (University of Missouri--Columbia, 2007)In many animal species females select mates based on male age. This choice is often linked to the reproductive benefits females derive. Age-based choice is also influenced by variation in the ability of males to find and ... -
Collective offspring-parent signaling in a social treehopper : mechanisms, patterns and function
Ramaswamy, Karthik, 1975- (University of Missouri--Columbia, 2010)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] I investigated the properties of collective behavior in a group-living insect, including the patterns of group behavior, the function of group level ... -
Communication about predation risk between parents and offspring groups in treehoppers
Hamel, Jennifer (University of Missouri--Columbia, 2011)False alarms should be common and costly for group-living animals, but to limit false alarms, animals must evade a tradeoff between response sensitivity and accuracy. I investigated this topic in two closely-related species ... -
Determining whether mate-searching males use directional information from female signals in Umbonia crassicornis
Dillard, Jasmine; Cocroft, Reginald B. (Reginald Bifield), 1960-; Groves, Ashley; Hamel, Jennifer (University of Missouri--Columbia. Office of Undergraduate Research, 2008)Vibrational communication is widespread in insect social and ecological interactions. In fact, it has been estimated that thousands of insect species use vibrational signals as a primary source of communication. During ... -
Determining whether mate-searching males use directional information from female signals in Umbonia crassicornis
Groves, Ashley; Hamel, Jennifer; Cocroft, Reginald B. (Reginald Bifield), 1960- (University of Missouri--Columbia. Office of Undergraduate Research, 2008)Vibrational communication is widespread in insect social and ecological interactions. In fact, it has been estimated that thousands of insect species use vibrational signals as a primary source of communication. During ... -
Diversification in plant feeding insects : patterns of host-plant specialization and mating signal evolution inferred from species-level phylogeny and population genetics
Snyder, Robert Lee, 1973- (University of Missouri--Columbia, 2009)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Speciation yields two reproductively isolated groups capable of living in sympatry without cross-fertilization. Thi inability to hybridize is caused ... -
Localization mechanisms of small plant-dwelling insects
Gibson, Jeremy S. (University of Missouri--Columbia, 2015)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Movement is the basis of animal ecology, and understanding the causes and consequences of animal movement is a major goal of ecological research. ... -
Noise and signal transmission properties as agents of selection in the vibrational communication environment
McNett, Gabriel Dion, 1974- (University of Missouri--Columbia, 2007)Members of the Enchenopa binotata species complex (Hemiptera: Membracidae) are host-specific phytophagous insects that communicate by sending vibrations through their host plants. Successful communication depends on the ... -
Postcopulatory sexual selection in the soldier fly Merosargus cingulatus
Barbosa, Flavia (University of Missouri--Columbia, 2011)My dissertation research focuses on the largely understudied field of postcopulatory (or "cryptic"') mate choice. As part of my dissertation research, I have developed a novel model system for the study of postcopulatory ...