摘要
Tosurviveinnature,organismsmayneedtotakedirectactiontomitigatespecificdangersfromtheirenvironmentalsurroundings.Tinyflyinginsectsarethoughttobeatparticularriskfromrainfallthatwouldbeofnegligibleconcerntolargeranimals.ThestudyspeciesFrankliniellaschultzeiisathripsthatinhabitsflowersandfeedsmostlyonpetaltissueandpollen.Whilefoundtorespondinthelaboratorytodecreasesinatmosphericpressureassociatedwithcyclonicconditions(ratherthanmerelyheavyrainfall),theirresponsestoconditionsprecedingrainfallhavenotbeentestedinthefield.Initialfieldsamplinginvestigatedtherelationshipbetweenfloraldevelopmentandsitesatwhichmale,female,andlarvalthripsweregenerallypresentonsunnydays.Wethendesignedasamplingstrategytotestifthesethripscananticipateimminentrainfallorstormsandsoseekshelterdeepwithinflowers,bysamplinghostflowers(insections)onmultipledayswithdifferentweatherconditions.Stickytrapswereusedtointerceptthripsinflight,thusprovidingameasureofflightbehavioracrossdifferentdays.Theinitialsamplingfoundadultthripsprimarilyatthepetalapexofanthesis-stageflowerswherepollenisdistributed.Wesubsequentlyfoundthatrainfall,atmosphericpressurechange,temperature,humidityandwindhadnoeffectonflightbehaviorofEschultzei,orontheirpositionswithinflowers.Thesefindingssuggestrainfallisnotaserioushazardforthem.Perhapsthripscansurviveraindropcollisionsduringflight,asimpactswithwaterdropletsarenotexpectedtobreakthesurfacetension.
出版日期
2018年06月16日（中国期刊网平台首次上网日期，不代表论文的发表时间）
