Eintrag weiter verarbeiten
Online-Ressource

Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk

Gespeichert in:

Bibliographische Detailangaben
Zeitschriftentitel: Ecological Entomology
Personen und Körperschaften: Okuyama, Toshinori
In: Ecological Entomology, 45, 2020, 3, S. 493-497
Format: E-Article
Sprache: Englisch
veröffentlicht:
Wiley
Schlagwörter:
Insect Science
Ecology
author_facet Okuyama, Toshinori
Okuyama, Toshinori
author Okuyama, Toshinori
spellingShingle Okuyama, Toshinori
Ecological Entomology
Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk
Insect Science
Ecology
author_sort okuyama, toshinori
spelling Okuyama, Toshinori 0307-6946 1365-2311 Wiley Insect Science Ecology http://dx.doi.org/10.1111/een.12818 <jats:p>1. Variation in parasitism risk among hosts is a key factor influencing host–parasitoid interactions; however, within‐patch variation (as opposed to between‐patch variation) in parasitism risk has hardly been studied. This study investigated the mechanisms of within‐patch variation in parasitism risk in the oriental fruit fly,<jats:italic>Bactrocera dorsalis</jats:italic>(Hendel) (Diptera: Tephritidae).</jats:p><jats:p>2.<jats:italic>Bactrocera dorsalis</jats:italic>pupates underground. Previous studies have shown that pupae at greater depths have a reduced risk of parasitism by a pupal parasitoid<jats:italic>Dirhinus giffardii</jats:italic>(Silvestri) (Hymenoptera: Chalcididae). When a pupa near the ground surface is parasitised, the victim may decrease the risk of parasitism risk for pupae located at deeper depths. It was hypothesised that larvae will pupate at greater depths when they perceive the presence of conspecifics because of the benefit of pupating deeper than other individuals.</jats:p><jats:p>3. In a series of laboratory experiments, the effects of three factors on pupation depth were examined, including: (i) the density of larvae during development; (ii) the density of concurrently burrowing larvae; and (iii) the presence of pre‐existing pupae in the pupation substrate. Only the density of concurrently burrowing larvae influenced pupation depth, which suggests that when a burrowing larva perceives the presence of other burrowing larvae, it aims to burrow deeper than them.</jats:p><jats:p>4. This study shows not only that parasitism risk is variable among pupae within a patch, but also that it is density‐dependent. A commonly made assumption (i.e. the absence of within‐patch variability in parasitism risk) needs to be re‐evaluated in a wide range of host–parasitoid systems.</jats:p> Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk Ecological Entomology
doi_str_mv 10.1111/een.12818
facet_avail Online
finc_class_facet Biologie
Geographie
format ElectronicArticle
fullrecord blob:ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTExMS9lZW4uMTI4MTg
id ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTExMS9lZW4uMTI4MTg
institution DE-D161
DE-Gla1
DE-Zi4
DE-15
DE-Pl11
DE-Rs1
DE-105
DE-14
DE-Ch1
DE-L229
DE-D275
DE-Bn3
DE-Brt1
imprint Wiley, 2020
imprint_str_mv Wiley, 2020
issn 1365-2311
0307-6946
issn_str_mv 1365-2311
0307-6946
language English
mega_collection Wiley (CrossRef)
match_str okuyama2020concurrentlyburrowinghostflylarvaereciprocallyenhancepupationdepthtominimiseparasitismrisk
publishDateSort 2020
publisher Wiley
recordtype ai
record_format ai
series Ecological Entomology
source_id 49
title Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk
title_unstemmed Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk
title_full Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk
title_fullStr Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk
title_full_unstemmed Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk
title_short Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk
title_sort concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk
topic Insect Science
Ecology
url http://dx.doi.org/10.1111/een.12818
publishDate 2020
physical 493-497
description <jats:p>1. Variation in parasitism risk among hosts is a key factor influencing host–parasitoid interactions; however, within‐patch variation (as opposed to between‐patch variation) in parasitism risk has hardly been studied. This study investigated the mechanisms of within‐patch variation in parasitism risk in the oriental fruit fly,<jats:italic>Bactrocera dorsalis</jats:italic>(Hendel) (Diptera: Tephritidae).</jats:p><jats:p>2.<jats:italic>Bactrocera dorsalis</jats:italic>pupates underground. Previous studies have shown that pupae at greater depths have a reduced risk of parasitism by a pupal parasitoid<jats:italic>Dirhinus giffardii</jats:italic>(Silvestri) (Hymenoptera: Chalcididae). When a pupa near the ground surface is parasitised, the victim may decrease the risk of parasitism risk for pupae located at deeper depths. It was hypothesised that larvae will pupate at greater depths when they perceive the presence of conspecifics because of the benefit of pupating deeper than other individuals.</jats:p><jats:p>3. In a series of laboratory experiments, the effects of three factors on pupation depth were examined, including: (i) the density of larvae during development; (ii) the density of concurrently burrowing larvae; and (iii) the presence of pre‐existing pupae in the pupation substrate. Only the density of concurrently burrowing larvae influenced pupation depth, which suggests that when a burrowing larva perceives the presence of other burrowing larvae, it aims to burrow deeper than them.</jats:p><jats:p>4. This study shows not only that parasitism risk is variable among pupae within a patch, but also that it is density‐dependent. A commonly made assumption (i.e. the absence of within‐patch variability in parasitism risk) needs to be re‐evaluated in a wide range of host–parasitoid systems.</jats:p>
container_issue 3
container_start_page 493
container_title Ecological Entomology
container_volume 45
format_de105 Article, E-Article
format_de14 Article, E-Article
format_de15 Article, E-Article
format_de520 Article, E-Article
format_de540 Article, E-Article
format_dech1 Article, E-Article
format_ded117 Article, E-Article
format_degla1 E-Article
format_del152 Buch
format_del189 Article, E-Article
format_dezi4 Article
format_dezwi2 Article, E-Article
format_finc Article, E-Article
format_nrw Article, E-Article
_version_ 1792343276588630027
geogr_code not assigned
last_indexed 2024-03-01T16:48:39.233Z
geogr_code_person not assigned
openURL url_ver=Z39.88-2004&ctx_ver=Z39.88-2004&ctx_enc=info%3Aofi%2Fenc%3AUTF-8&rfr_id=info%3Asid%2Fvufind.svn.sourceforge.net%3Agenerator&rft.title=Concurrently+burrowing+host+fly+larvae+reciprocally+enhance+pupation+depth+to+minimise+parasitism+risk&rft.date=2020-06-01&genre=article&issn=1365-2311&volume=45&issue=3&spage=493&epage=497&pages=493-497&jtitle=Ecological+Entomology&atitle=Concurrently+burrowing+host+fly+larvae+reciprocally+enhance+pupation+depth+to+minimise+parasitism+risk&aulast=Okuyama&aufirst=Toshinori&rft_id=info%3Adoi%2F10.1111%2Feen.12818&rft.language%5B0%5D=eng
SOLR
_version_ 1792343276588630027
author Okuyama, Toshinori
author_facet Okuyama, Toshinori, Okuyama, Toshinori
author_sort okuyama, toshinori
container_issue 3
container_start_page 493
container_title Ecological Entomology
container_volume 45
description <jats:p>1. Variation in parasitism risk among hosts is a key factor influencing host–parasitoid interactions; however, within‐patch variation (as opposed to between‐patch variation) in parasitism risk has hardly been studied. This study investigated the mechanisms of within‐patch variation in parasitism risk in the oriental fruit fly,<jats:italic>Bactrocera dorsalis</jats:italic>(Hendel) (Diptera: Tephritidae).</jats:p><jats:p>2.<jats:italic>Bactrocera dorsalis</jats:italic>pupates underground. Previous studies have shown that pupae at greater depths have a reduced risk of parasitism by a pupal parasitoid<jats:italic>Dirhinus giffardii</jats:italic>(Silvestri) (Hymenoptera: Chalcididae). When a pupa near the ground surface is parasitised, the victim may decrease the risk of parasitism risk for pupae located at deeper depths. It was hypothesised that larvae will pupate at greater depths when they perceive the presence of conspecifics because of the benefit of pupating deeper than other individuals.</jats:p><jats:p>3. In a series of laboratory experiments, the effects of three factors on pupation depth were examined, including: (i) the density of larvae during development; (ii) the density of concurrently burrowing larvae; and (iii) the presence of pre‐existing pupae in the pupation substrate. Only the density of concurrently burrowing larvae influenced pupation depth, which suggests that when a burrowing larva perceives the presence of other burrowing larvae, it aims to burrow deeper than them.</jats:p><jats:p>4. This study shows not only that parasitism risk is variable among pupae within a patch, but also that it is density‐dependent. A commonly made assumption (i.e. the absence of within‐patch variability in parasitism risk) needs to be re‐evaluated in a wide range of host–parasitoid systems.</jats:p>
doi_str_mv 10.1111/een.12818
facet_avail Online
finc_class_facet Biologie, Geographie
format ElectronicArticle
format_de105 Article, E-Article
format_de14 Article, E-Article
format_de15 Article, E-Article
format_de520 Article, E-Article
format_de540 Article, E-Article
format_dech1 Article, E-Article
format_ded117 Article, E-Article
format_degla1 E-Article
format_del152 Buch
format_del189 Article, E-Article
format_dezi4 Article
format_dezwi2 Article, E-Article
format_finc Article, E-Article
format_nrw Article, E-Article
geogr_code not assigned
geogr_code_person not assigned
id ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTExMS9lZW4uMTI4MTg
imprint Wiley, 2020
imprint_str_mv Wiley, 2020
institution DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1
issn 1365-2311, 0307-6946
issn_str_mv 1365-2311, 0307-6946
language English
last_indexed 2024-03-01T16:48:39.233Z
match_str okuyama2020concurrentlyburrowinghostflylarvaereciprocallyenhancepupationdepthtominimiseparasitismrisk
mega_collection Wiley (CrossRef)
physical 493-497
publishDate 2020
publishDateSort 2020
publisher Wiley
record_format ai
recordtype ai
series Ecological Entomology
source_id 49
spelling Okuyama, Toshinori 0307-6946 1365-2311 Wiley Insect Science Ecology http://dx.doi.org/10.1111/een.12818 <jats:p>1. Variation in parasitism risk among hosts is a key factor influencing host–parasitoid interactions; however, within‐patch variation (as opposed to between‐patch variation) in parasitism risk has hardly been studied. This study investigated the mechanisms of within‐patch variation in parasitism risk in the oriental fruit fly,<jats:italic>Bactrocera dorsalis</jats:italic>(Hendel) (Diptera: Tephritidae).</jats:p><jats:p>2.<jats:italic>Bactrocera dorsalis</jats:italic>pupates underground. Previous studies have shown that pupae at greater depths have a reduced risk of parasitism by a pupal parasitoid<jats:italic>Dirhinus giffardii</jats:italic>(Silvestri) (Hymenoptera: Chalcididae). When a pupa near the ground surface is parasitised, the victim may decrease the risk of parasitism risk for pupae located at deeper depths. It was hypothesised that larvae will pupate at greater depths when they perceive the presence of conspecifics because of the benefit of pupating deeper than other individuals.</jats:p><jats:p>3. In a series of laboratory experiments, the effects of three factors on pupation depth were examined, including: (i) the density of larvae during development; (ii) the density of concurrently burrowing larvae; and (iii) the presence of pre‐existing pupae in the pupation substrate. Only the density of concurrently burrowing larvae influenced pupation depth, which suggests that when a burrowing larva perceives the presence of other burrowing larvae, it aims to burrow deeper than them.</jats:p><jats:p>4. This study shows not only that parasitism risk is variable among pupae within a patch, but also that it is density‐dependent. A commonly made assumption (i.e. the absence of within‐patch variability in parasitism risk) needs to be re‐evaluated in a wide range of host–parasitoid systems.</jats:p> Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk Ecological Entomology
spellingShingle Okuyama, Toshinori, Ecological Entomology, Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk, Insect Science, Ecology
title Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk
title_full Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk
title_fullStr Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk
title_full_unstemmed Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk
title_short Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk
title_sort concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk
title_unstemmed Concurrently burrowing host fly larvae reciprocally enhance pupation depth to minimise parasitism risk
topic Insect Science, Ecology
url http://dx.doi.org/10.1111/een.12818