« Previous AbstractImplementation of the indoor air component of cycle 2 of the Canadian Health Measures Survey    Next Abstract"Exogenous application of the plant signalers methyl jasmonate and salicylic acid induces changes in volatile emissions from citrus foliage and influences the aggregation behavior of Asian citrus psyllid (Diaphorina citri), vector of Huanglongbing" »

Environ Entomol

Title:		Multimodal cues drive host-plant assessment in Asian citrus psyllid (Diaphorina citri)
Author(s):		Patt JM; Meikle WG; Mafra-Neto A; Setamou M; Mangan R; Yang C; Malik N; Adamczyk JJ;
Address:		"USDA-Agricultural Research Service, Subtropical Agricultural Research Center, Weslaco, TX, USA. joseph.patt@ars.usda.gov"
Journal Title:		Environ Entomol
Year:		2011
Volume:		40
Issue:		6
Page Number:		1494 - 1502
DOI:		10.1603/EN11149
ISSN/ISBN:		1938-2936 (Electronic) 0046-225X (Linking)
Abstract:		"Asian citrus psyllid (Diaphorina citri) transmits the causal agent of Huanglongbing, a devastating disease of citrus trees. In this study we measured behavioral responses of D. citri to combinations of visual, olfactory, and gustatory stimuli in test arenas. Stimuli were presented to the psyllids in droplets or lines of an emulsified wax formulation in two different arena types in no-choice tests. First, when placed on a colored ring situated halfway between the center and perimeter of a petri dish, D. citri spent more time on yellow versus gray rings; however, this response disappeared when either gray or yellow wax droplets were applied. When the psyllids were presented with droplets scented with terpenes, the response to both scent and color was increased. The addition of a dilute ( asymptotically equal to0.1 M) sucrose solution to the wax droplets increased the magnitude of D. citri responses. Next, groups of D. citri were placed on plastic laboratory film covering a sucrose solution, to mimic a leaf surface. Test stimuli were presented via two 'midribs' made from lines of emulsified wax formulation. Probing levels were measured as a function of color saturation and scent composition, and concentration. The test scents were based on qualitatively major volatiles emitted by Murraya paniculata (L.) Jack, Citrus aurantifolia (Christm.) Swingle, and C. sinensis (L.) Osbeck. The highest probing response was observed on the middle concentration (20-mul scent/10 ml wax formulation) of the C. aurantifolia-scented wax lines. Results indicate that there are interactive effects between the different sensory modalities in directing host-plant assessment behavior"
Keywords:		"Animals *Behavior, Animal *Citrus paradisi *Citrus sinensis Color Female Hemiptera/drug effects/*physiology Male *Murraya Smell Species Specificity Sucrose/pharmacology Taste Perception Terpenes/pharmacology Texas Visual Perception Volatile Organic Compou;"
Notes:		"MedlinePatt, Joseph M Meikle, William G Mafra-Neto, Agenor Setamou, Mamoudou Mangan, Robert Yang, Chenghai Malik, Nasir Adamczyk, John J eng Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. England 2012/01/06 Environ Entomol. 2011 Dec; 40(6):1494-502. doi: 10.1603/EN11149"