J 2022

Gut-content analysis in four species, combined with comparative analysis of trophic traits, suggests an araneophagous habit for the entire family Palpimanidae (Araneae)

PEKÁR, Stanislav, Lenka DUŠÁTKOVÁ, Táňa MACHÁČKOVÁ, Ondřej SLABÝ, Luis F. GARCÍA et. al.

Basic information

Original name

Gut-content analysis in four species, combined with comparative analysis of trophic traits, suggests an araneophagous habit for the entire family Palpimanidae (Araneae)

Authors

PEKÁR, Stanislav (703 Slovakia, guarantor, belonging to the institution), Lenka DUŠÁTKOVÁ (203 Czech Republic, belonging to the institution), Táňa MACHÁČKOVÁ (203 Czech Republic, belonging to the institution), Ondřej SLABÝ (203 Czech Republic, belonging to the institution), Luis F. GARCÍA and Charles R. HADDAD

Edition

Organisms Diversity & Evolution, Springer Science and Business Media Deutschland GmbH, 2022, 1439-6092

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10616 Entomology

Country of publisher

Germany

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

Impact factor

Impact factor: 1.600

RIV identification code

RIV/00216224:14310/22:00125495

Organization unit

Faculty of Science

DOI

UT WoS

000701365600002

Keywords in English

Araneae; Araneophagy; Natural diet; Trophic niche

Tags

Tags

International impact, Reviewed
Změněno: 15/10/2024 14:36, Ing. Martina Blahová

Abstract

V originále

Spiders are among the most diversified and abundant predators in terrestrial ecosystems across the world, but information on their prey is limited. Particularly, there is paucity of data for prey-specialised species, such as palpimanid spiders. Here we investigated the trophic strategy of four palpimanid species (Diaphorocellus biplagiatus, Otiothops birabeni, Palpimanus gibbulus, and P. potteri) representing all three subfamilies (Chediminae, Otiothopinae, Palpimaninae) and three geographic areas (Mediterranean, South America, South Africa) in order to infer a trophic strategy for the entire family Palpimanidae. We predicted that all palpimanids are specialised araneophagous predators. We used molecular gut-content analysis, combined with comparative analysis of morphological trophic traits. We found all four species to catch spiders more than insects. All species captured spiders belonging to several families, but predominantly those of the cursorial guild. The diet composition did not differ between sexes and juveniles. The breadth of trophic niche was narrow for all species, suggesting stenophagy. Using comparative analysis of morphological traits (thick cuticle, stout forelegs, scopulae on forelegs, and stridulatory apparatus) and araneophagy, we estimated that preying on spiders combined with the morphological traits is ancestral state for the entire family. We suggest that the whole family Palpimanidae includes araneophagous species.

Links

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