Species-Specificity in Thermopreference and CO2-Gated Heat-Seeking in Culex Mosquitoes

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dc.contributor.authorReinhold, Joanna M.en
dc.contributor.authorChandrasegaran, Karthikeyanen
dc.contributor.authorOker, Helenen
dc.contributor.authorCrespo, José E.en
dc.contributor.authorVinauger, Clémenten
dc.contributor.authorLahondère, Chloéen
dc.date.accessioned2022-01-21T15:09:44Zen
dc.date.available2022-01-21T15:09:44Zen
dc.date.issued2022-01-14en
dc.date.updated2022-01-20T15:24:34Zen
dc.description.abstractCombining thermopreference (T<i><sub>p</sub></i>) and CO<sub>2</sub>-gated heat-seeking assays, we studied the thermal <i>preferendum</i> and response to thermal cues in three <i>Culex</i> mosquito species exhibiting differences in native habitat and host preference (e.g., biting cold and/or warm-blooded animals). Results show that these species differ in both T<i><sub>p</sub></i> and heat-seeking behavior. In particular, we found that <i>Culex territans</i>, which feed primarily on cold-blood hosts, did not respond to heat during heat-seeking assays, regardless of the CO<sub>2</sub> concentration, but exhibited an intermediate T<i><sub>p</sub></i> during resting. In contrast, <i>Cx. quinquefasciatus</i>, which feeds on warm blooded hosts, sought the coolest locations on a thermal gradient and responded only moderately to thermal stimuli when paired with CO<sub>2</sub> at higher concentrations. The third species, <i>Cx. tarsalis</i>, which has been shown to feed on a wide range of hosts, responded to heat when paired with high CO<sub>2</sub> levels and exhibited a high T<i><sub>p</sub></i>. This study provides the first insights into the role of heat and CO<sub>2</sub> in the host seeking behavior of three disease vectors in the <i>Culex</i> genus and highlights differences in preferred resting temperatures.en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationReinhold, J.M.; Chandrasegaran, K.; Oker, H.; Crespo, J.E.; Vinauger, C.; Lahondère, C. Species-Specificity in Thermopreference and CO2-Gated Heat-Seeking in Culex Mosquitoes. Insects 2022, 13, 92.en
dc.identifier.doihttps://doi.org/10.3390/insects13010092en
dc.identifier.urihttp://hdl.handle.net/10919/107839en
dc.language.isoenen
dc.publisherMDPIen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectCulex territansen
dc.subjectCulex quinquefasciatusen
dc.subjectCulex tarsalisen
dc.subjectmosquito thermal biologyen
dc.subjectdisease vectoren
dc.titleSpecies-Specificity in Thermopreference and CO2-Gated Heat-Seeking in Culex Mosquitoesen
dc.title.serialInsectsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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