Band movement and thermoregulation in Schistocerca cancellata
At high density, juvenile locusts create marching hopper bands. Understanding the roles of temperature and vegetation on the movement of these bands shall allow to better forecast and control them. Following a hopper band in North Argentina in November 2019, we explored the thermoregulation behaviours of the South American locust, Schistocerca cancellata. Gut-content samples informed about the feeding status at different time of the day. Hoppers' body temperature was above cold air temperature in the mornings during basking and group-basking activities and before the onset of marching behaviour. Marching by walking or hopping was dominant at body temperatures close to 40 °C. Jumping, stilting, shading and perching on plants were seen as thermoregulatory behaviours to avoid ground temperatures above 50 °C. Feeding was observed throughout the day with continuous high gut contents despite an intermittent pattern of feeding-resting-marching. Speed and daily travelled distance of the front of the hopper band was depending on the type of encountered vegetation. Daily behavioural patterns, thermoregulatory behaviours, walking speed and daily travelled distances of S. cancellata were similar to the ones observed for the Desert locust, S. gregaria, in Africa. High air temperatures recorded during the observation times could explain the continuous feeding patterns. These species may have evolved behaviours of alternating consuming a bit and marching as a migration strategy to avoid staying where no food is available after the havoc left behind large hopper bands. Recommendations made for the control of Desert locust hopper bands can be extended to South American locust ones.
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Subjects: | H10 - Ravageurs des plantes, F60 - Physiologie et biochimie végétale, ravageur des plantes, thermorégulation, physiologie animale, Schistocerca, comportement anormal, relation plante animal, http://aims.fao.org/aos/agrovoc/c_16196, http://aims.fao.org/aos/agrovoc/c_7722, http://aims.fao.org/aos/agrovoc/c_25187, http://aims.fao.org/aos/agrovoc/c_6846, http://aims.fao.org/aos/agrovoc/c_20, http://aims.fao.org/aos/agrovoc/c_32513, |
Online Access: | http://agritrop.cirad.fr/599981/ http://agritrop.cirad.fr/599981/1/PUB728.pdf |
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dig-cirad-fr-5999812024-01-29T19:01:51Z http://agritrop.cirad.fr/599981/ http://agritrop.cirad.fr/599981/ Band movement and thermoregulation in Schistocerca cancellata. Piou Cyril, Zagaglia Gustavo, Medina Héctor, Trumper Eduardo, Rojo Brizuela Ximena, Maeno Koutaro Ould. 2022. Journal of Insect Physiology, 136:104328, 9 p.https://doi.org/10.1016/j.jinsphys.2021.104328 <https://doi.org/10.1016/j.jinsphys.2021.104328> Band movement and thermoregulation in Schistocerca cancellata Piou, Cyril Zagaglia, Gustavo Medina, Héctor Trumper, Eduardo Rojo Brizuela, Ximena Maeno, Koutaro Ould eng 2022 Journal of Insect Physiology H10 - Ravageurs des plantes F60 - Physiologie et biochimie végétale ravageur des plantes thermorégulation physiologie animale Schistocerca comportement anormal relation plante animal http://aims.fao.org/aos/agrovoc/c_16196 http://aims.fao.org/aos/agrovoc/c_7722 http://aims.fao.org/aos/agrovoc/c_25187 http://aims.fao.org/aos/agrovoc/c_6846 http://aims.fao.org/aos/agrovoc/c_20 http://aims.fao.org/aos/agrovoc/c_32513 At high density, juvenile locusts create marching hopper bands. Understanding the roles of temperature and vegetation on the movement of these bands shall allow to better forecast and control them. Following a hopper band in North Argentina in November 2019, we explored the thermoregulation behaviours of the South American locust, Schistocerca cancellata. Gut-content samples informed about the feeding status at different time of the day. Hoppers' body temperature was above cold air temperature in the mornings during basking and group-basking activities and before the onset of marching behaviour. Marching by walking or hopping was dominant at body temperatures close to 40 °C. Jumping, stilting, shading and perching on plants were seen as thermoregulatory behaviours to avoid ground temperatures above 50 °C. Feeding was observed throughout the day with continuous high gut contents despite an intermittent pattern of feeding-resting-marching. Speed and daily travelled distance of the front of the hopper band was depending on the type of encountered vegetation. Daily behavioural patterns, thermoregulatory behaviours, walking speed and daily travelled distances of S. cancellata were similar to the ones observed for the Desert locust, S. gregaria, in Africa. High air temperatures recorded during the observation times could explain the continuous feeding patterns. These species may have evolved behaviours of alternating consuming a bit and marching as a migration strategy to avoid staying where no food is available after the havoc left behind large hopper bands. Recommendations made for the control of Desert locust hopper bands can be extended to South American locust ones. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/599981/1/PUB728.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1016/j.jinsphys.2021.104328 10.1016/j.jinsphys.2021.104328 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jinsphys.2021.104328 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1016/j.jinsphys.2021.104328 |
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H10 - Ravageurs des plantes F60 - Physiologie et biochimie végétale ravageur des plantes thermorégulation physiologie animale Schistocerca comportement anormal relation plante animal http://aims.fao.org/aos/agrovoc/c_16196 http://aims.fao.org/aos/agrovoc/c_7722 http://aims.fao.org/aos/agrovoc/c_25187 http://aims.fao.org/aos/agrovoc/c_6846 http://aims.fao.org/aos/agrovoc/c_20 http://aims.fao.org/aos/agrovoc/c_32513 H10 - Ravageurs des plantes F60 - Physiologie et biochimie végétale ravageur des plantes thermorégulation physiologie animale Schistocerca comportement anormal relation plante animal http://aims.fao.org/aos/agrovoc/c_16196 http://aims.fao.org/aos/agrovoc/c_7722 http://aims.fao.org/aos/agrovoc/c_25187 http://aims.fao.org/aos/agrovoc/c_6846 http://aims.fao.org/aos/agrovoc/c_20 http://aims.fao.org/aos/agrovoc/c_32513 |
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H10 - Ravageurs des plantes F60 - Physiologie et biochimie végétale ravageur des plantes thermorégulation physiologie animale Schistocerca comportement anormal relation plante animal http://aims.fao.org/aos/agrovoc/c_16196 http://aims.fao.org/aos/agrovoc/c_7722 http://aims.fao.org/aos/agrovoc/c_25187 http://aims.fao.org/aos/agrovoc/c_6846 http://aims.fao.org/aos/agrovoc/c_20 http://aims.fao.org/aos/agrovoc/c_32513 H10 - Ravageurs des plantes F60 - Physiologie et biochimie végétale ravageur des plantes thermorégulation physiologie animale Schistocerca comportement anormal relation plante animal http://aims.fao.org/aos/agrovoc/c_16196 http://aims.fao.org/aos/agrovoc/c_7722 http://aims.fao.org/aos/agrovoc/c_25187 http://aims.fao.org/aos/agrovoc/c_6846 http://aims.fao.org/aos/agrovoc/c_20 http://aims.fao.org/aos/agrovoc/c_32513 Piou, Cyril Zagaglia, Gustavo Medina, Héctor Trumper, Eduardo Rojo Brizuela, Ximena Maeno, Koutaro Ould Band movement and thermoregulation in Schistocerca cancellata |
description |
At high density, juvenile locusts create marching hopper bands. Understanding the roles of temperature and vegetation on the movement of these bands shall allow to better forecast and control them. Following a hopper band in North Argentina in November 2019, we explored the thermoregulation behaviours of the South American locust, Schistocerca cancellata. Gut-content samples informed about the feeding status at different time of the day. Hoppers' body temperature was above cold air temperature in the mornings during basking and group-basking activities and before the onset of marching behaviour. Marching by walking or hopping was dominant at body temperatures close to 40 °C. Jumping, stilting, shading and perching on plants were seen as thermoregulatory behaviours to avoid ground temperatures above 50 °C. Feeding was observed throughout the day with continuous high gut contents despite an intermittent pattern of feeding-resting-marching. Speed and daily travelled distance of the front of the hopper band was depending on the type of encountered vegetation. Daily behavioural patterns, thermoregulatory behaviours, walking speed and daily travelled distances of S. cancellata were similar to the ones observed for the Desert locust, S. gregaria, in Africa. High air temperatures recorded during the observation times could explain the continuous feeding patterns. These species may have evolved behaviours of alternating consuming a bit and marching as a migration strategy to avoid staying where no food is available after the havoc left behind large hopper bands. Recommendations made for the control of Desert locust hopper bands can be extended to South American locust ones. |
format |
article |
topic_facet |
H10 - Ravageurs des plantes F60 - Physiologie et biochimie végétale ravageur des plantes thermorégulation physiologie animale Schistocerca comportement anormal relation plante animal http://aims.fao.org/aos/agrovoc/c_16196 http://aims.fao.org/aos/agrovoc/c_7722 http://aims.fao.org/aos/agrovoc/c_25187 http://aims.fao.org/aos/agrovoc/c_6846 http://aims.fao.org/aos/agrovoc/c_20 http://aims.fao.org/aos/agrovoc/c_32513 |
author |
Piou, Cyril Zagaglia, Gustavo Medina, Héctor Trumper, Eduardo Rojo Brizuela, Ximena Maeno, Koutaro Ould |
author_facet |
Piou, Cyril Zagaglia, Gustavo Medina, Héctor Trumper, Eduardo Rojo Brizuela, Ximena Maeno, Koutaro Ould |
author_sort |
Piou, Cyril |
title |
Band movement and thermoregulation in Schistocerca cancellata |
title_short |
Band movement and thermoregulation in Schistocerca cancellata |
title_full |
Band movement and thermoregulation in Schistocerca cancellata |
title_fullStr |
Band movement and thermoregulation in Schistocerca cancellata |
title_full_unstemmed |
Band movement and thermoregulation in Schistocerca cancellata |
title_sort |
band movement and thermoregulation in schistocerca cancellata |
url |
http://agritrop.cirad.fr/599981/ http://agritrop.cirad.fr/599981/1/PUB728.pdf |
work_keys_str_mv |
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