The behavioral ecology of amblypygids

Chapin, Kenneth James; Hebets, Eileen A.

doi:10.1636/v15-62.1

Cited by 61 publications

(57 citation statements)

References 124 publications

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“…high site fidelity). These data suggest that juveniles probably spend more time inside the shelter and this can be considered a survival strategy, which decreases the chances of being caught during the foraging periods (Chapin and Hebets 2016); the time spent foraging is also smaller than those spent by the adults, the juveniles adopt a “sit-and-wait” hunting strategy. Even in the peaks of activity (22:00 hrs and 02:00 hrs; Figs 5 and 6), most juveniles stayed inside the shelter.…”

Section: Resultsmentioning

confidence: 99%

“…The biology of some Phrynidae and Phrynichidae species are known (e.g. reproduction, microhabitat selection/use, spatial orientation, and social behavior; reviewed in Weygoldt (2000) and Chapin and Hebets (2016)). However, little information is available for charinids, which counts with just few general behavioral studies examining reproductive biology and behavioral repertory (Gray and Robinson 1986, Pinto-da-Rocha et al 2002, Weygoldt 2008).…”

Section: Introductionmentioning

confidence: 99%

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A new species of Charinus Simon 1892 from Brazil, with notes on behavior (Amblypygi, Charinidae)

Miranda¹,

Milleri-Pinto²,

Gonçalves‐Souza³

et al. 2016

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A new species of Charinus is described and illustrated from the Brazilian Atlantic Forest. Charinus ruschii sp. n. is found in Santa Lúcia reserve, Espírito Santo state, and is sympatric with Charinus brasilianus and Charinus montanus. The new species can be easily distinguished from the other species of the genus by the combination of the following characters: number of spines on the pedipalp tarsus, size and shape of the female genitalia, shape of the sternum and number of teeth in the cheliceral claw. The behavioral repertory is also described for this species based on five hours of qualitative and 24 hours of quantitative observations in order to define the behavioral categories. Five behavioral categories were detected and 21 behavioral acts. The most conspicuous category was Immobility, followed by Antenniform leg movement, Environmental exploration, Self-grooming, and Feeding. It was also found that juveniles spend longer time inside the shelter, even during peaks of adult activity, which could be related to a survival strategy.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A new species of Charinus Simon 1892 from Brazil, with notes on behavior (Amblypygi, Charinidae)

Miranda¹,

Milleri-Pinto²,

Gonçalves‐Souza³

et al. 2016

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“…220 spp.) of large nocturnal predators (Chapin & Hebets, 2016). Phrynus marginemaculatus is the only amblypygid species in the US east of the Mississippi river and the most commonly studied species of amblypygid (Chapin & Hebets, 2016; Figure 1).…”

Section: Study Speciesmentioning

confidence: 99%

Island biogeography and ecological modeling of the amblypygid Phrynus marginemaculatus in the Florida Keys archipelago

Chapin

Winkler

Wiencek

et al. 2018

Ecology and Evolution

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AimThe biogeography of terrestrial organisms across the Florida Keys archipelago is poorly understood. We used population genetics and spatioecological modeling of the Amblypygi Phrynus marginemaculatus to understand the genetic structure and metapopulation dynamics of Keys populations that are otherwise isolated by human development and ocean.LocationThe Florida Keys archipelago and mainland Florida.MethodsWe sequenced a 1,238 bp fragment of mtDNA for 103 individuals of P. marginemaculatus from 13 sites in the Florida Keys and South Florida, binned into four regions. We used population genetic analyses to understand the population structure of the species throughout its US range. Furthermore, we used ecological modeling with climate, habitat, and human development data to develop habitat suitability estimates for the species.ResultsWe found clear genetic structure between localities. The Lower Keys, in particular, support populations separate from those in other regions studied. Ecological modeling and genetic analyses showed the highest habitat suitability and genetic isolation in the Lower Keys, but urban development across the species range has resulted in the loss of most historical habitat.Main conclusionsA mainland‐metapopulation model best fits P. marginemaculatus gene flow patterns in the Florida Keys and mainland. Ocean currents likely play a role in metapopulation dynamics and gene flow for terrestrial Keys species like P. marginemaculatus, and genetic patterns also matched patterns consistent with geologic history. Suitable habitat, however, is limited and under threat of human destruction. The few remaining pockets of the most suitable habitat tend to occur in parks and protected areas. We argue that conservation efforts for this species and others in the terrestrial Florida Keys would benefit from a deeper understanding of the population genetic structure and ecology of the archipelago.

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“…These unusual arachnids are distributed worldwide in the tropics and subtropics (reviewed by Weygoldt 2000;Harvey 2007;Chapin and Hebets 2016). The majority of amblypygid species inhabit rainforests, where, in daylight hours, they hide in hollow trees, under tree bark or in the crevices of tree buttresses.…”

Section: Introductionmentioning

confidence: 99%

“…In this study, we used the species Phrynus marginemaculatus, which is native to southern Florida (USA), the Bahamas, and surrounding Caribbean islands (Quintero 1981;Weygoldt 2000;Chapin and Hebets 2016). This species is strictly nocturnal and inhabits subtropical rainforests such as South Florida rockland and Bahamanian pine forests (Quintero 1981;Weygoldt 2000), which can be similar in structural complexity to tropical rainforests (United States Fish and Wildlife Service 1999).…”

Section: Introductionmentioning

confidence: 99%

Development of site fidelity in the nocturnal amblypygid, Phrynus marginemaculatus

et al. 2017

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The behavioral ecology of amblypygids

Cited by 61 publications

References 124 publications

A new species of Charinus Simon 1892 from Brazil, with notes on behavior (Amblypygi, Charinidae)

A new species of Charinus Simon 1892 from Brazil, with notes on behavior (Amblypygi, Charinidae)

Island biogeography and ecological modeling of the amblypygid Phrynus marginemaculatus in the Florida Keys archipelago

Development of site fidelity in the nocturnal amblypygid, Phrynus marginemaculatus

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