Increased speed of movement reduced identification of Batesian
ant-mimicking spiders by surrogate predators

J 2021

Increased speed of movement reduced identification of Batesian ant-mimicking spiders by surrogate predators

PEKÁR, Stanislav

Základní údaje

Originální název

Increased speed of movement reduced identification of Batesian ant-mimicking spiders by surrogate predators

Autoři

PEKÁR, Stanislav (703 Slovensko, garant, domácí)

Vydání

Animal Cognition, Heidelberg, Springer, 2021, 1435-9448

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10614 Behavioral sciences biology

Stát vydavatele

Německo

Utajení

není předmětem státního či obchodního tajemství

Odkazy

URL

Impakt faktor

Impact factor: 2.899

Kód RIV

RIV/00216224:14310/21:00119296

Organizační jednotka

Přírodovědecká fakulta

DOI

http://dx.doi.org/10.1007/s10071-021-01517-0

UT WoS

000646538100001

Klíčová slova anglicky

Batesian mimicry; Myrmecomorphy; Speed of movement; Human ranking; Mimetic accuracy

Štítky

rivok

Příznaky

Mezinárodní význam, Recenzováno

Změněno: 12. 1. 2022 12:14, Mgr. Marie Šípková, DiS.

Anotace

V originále

In Batesian mimicry, the mimic gains protection from predators by imitating a noxious model. Some myrmecomorphic species use ants as models as ants have strong defensive capabilities. Ants are highly mobile models, and besides colour, shape, and size, mimics also imitate their movement. Yet, former studies focused mainly on static traits. Here, I tested the hypothesis that artificially increased speed of movement reduces the probability of the mimic being identified. First, images of 14 myrmecomorphic spider species and their models were used for humans to rank their mimetic accuracy. Humans were used as surrogate predators to obtain scores for each mimetic pair. In the second experiment, the effect of movement playback speed on the probability of identification was investigated, again using humans. Videos of mimics were played at different speeds, and the identification probability was recorded. While ants were correctly identified at any playback speed, the identification of myrmecomorphic spiders declined with increasing playback speed. In other words, the latency to correct identification increased with playback speed. Overall, mimics with higher accuracy scores were more difficult to identify while moving. The natural speed of movement of accurate mimics was similar to that of inaccurate ones. Movement is thus an important trait for myrmecomorphic species.

Návaznosti

GA19-09323S, projekt VaV

Název: Mimetické komplexy a evoluce nepřesných mimetiků

Investor: Grantová agentura ČR, Mimetic complexes and the evolution of inaccurate mimics

Citovat

PEKÁR, Stanislav. Increased speed of movement reduced identification of Batesian ant-mimicking spiders by surrogate predators. Animal Cognition. Heidelberg: Springer, 2021, roč. 24, č. 6, s. 1247-1257. ISSN 1435-9448. Dostupné z: https://dx.doi.org/10.1007/s10071-021-01517-0.

@article{1799683,
   author = {Pekár, Stanislav},
   article_location = {Heidelberg},
   article_number = {6},
   doi = {http://dx.doi.org/10.1007/s10071-021-01517-0},
   keywords = {Batesian mimicry; Myrmecomorphy; Speed of movement; Human ranking; Mimetic accuracy},
   language = {eng},
   issn = {1435-9448},
   journal = {Animal Cognition},
   title = {Increased speed of movement reduced identification of Batesian ant-mimicking spiders by surrogate predators},
   url = {https://doi.org/10.1007/s10071-021-01517-0},
   volume = {24},
   year = {2021}
}

TY  - JOUR
ID  - 1799683
AU  - Pekár, Stanislav
PY  - 2021
TI  - Increased speed of movement reduced identification of Batesian ant-mimicking spiders by surrogate predators
JF  - Animal Cognition
VL  - 24
IS  - 6
SP  - 1247-1257
EP  - 1247-1257
PB  - Springer
SN  - 14359448
KW  - Batesian mimicry
KW  - Myrmecomorphy
KW  - Speed of movement
KW  - Human ranking
KW  - Mimetic accuracy
UR  - https://doi.org/10.1007/s10071-021-01517-0
N2  - In Batesian mimicry, the mimic gains protection from predators by imitating a noxious model. Some myrmecomorphic species use ants as models as ants have strong defensive capabilities. Ants are highly mobile models, and besides colour, shape, and size, mimics also imitate their movement. Yet, former studies focused mainly on static traits. Here, I tested the hypothesis that artificially increased speed of movement reduces the probability of the mimic being identified. First, images of 14 myrmecomorphic spider species and their models were used for humans to rank their mimetic accuracy. Humans were used as surrogate predators to obtain scores for each mimetic pair. In the second experiment, the effect of movement playback speed on the probability of identification was investigated, again using humans. Videos of mimics were played at different speeds, and the identification probability was recorded. While ants were correctly identified at any playback speed, the identification of myrmecomorphic spiders declined with increasing playback speed. In other words, the latency to correct identification increased with playback speed. Overall, mimics with higher accuracy scores were more difficult to identify while moving. The natural speed of movement of accurate mimics was similar to that of inaccurate ones. Movement is thus an important trait for myrmecomorphic species.
ER  -

PEKÁR, Stanislav. Increased speed of movement reduced identification of Batesian ant-mimicking spiders by surrogate predators. \textit{Animal Cognition}. Heidelberg: Springer, 2021, roč.~24, č.~6, s.~1247-1257. ISSN~1435-9448. Dostupné z: https://dx.doi.org/10.1007/s10071-021-01517-0.

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