Predatory behavior of the land flatworm Notogynaphallia abundans (Platyhelminthes: Tricladida)

Prasniski, Maria E. T.; Leal-Zanchet, Ana María

doi:10.1590/s1984-46702009005000011

Cited by 26 publications

(18 citation statements)

References 27 publications

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“…Matuxia tuxaua (E.M. Froehlich, 1955) and M. matuta (E.M. Froehlich, 1955) feed on beetle larvae, and four species of Luteostriata as well as I. rezendei feed exclusively on woodlice, rejecting any other kind of prey (Prasniski and Leal-Zanchet 2009; Tables 2, Suppl. material 2).…”

Section: Resultsmentioning

confidence: 99%

“…In species of Luteostriata, prey capture is facilitated by the combined action of sticky mucus secretion and the sucker-like action of the ventral side of the cephalic extremity (Hauser andMaurmann 1959, Prasniski andLeal-Zanchet 2009). Capture of woodlice by its close relative I. rezendei (see Carbayo et al 2013) is similar (MC Ramos, unpublished data).…”

Section: Diet Breadth Tends To Be Restrained Within Generamentioning

confidence: 99%

“…The general knowledge about these organisms is still far from satisfactory, especially with regards to their biology (Winsor et al1998, 2004, Prasniski and Leal-Zanchet 2009). In part, this might owe to the fact that researchers tend to give more attention to taxonomic topics than to the behavioral aspects of their subjects (Ogren 1995).…”

Section: Introductionmentioning

confidence: 99%

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Observations on food preference of Neotropical land planarians (Platyhelminthes), with emphasis on Obama anthropophila, and their phylogenetic diversification

Cseh¹,

Carbayo²,

Froehlich³

2017

Zoologia

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ABSTRACT. The food preference of Obama anthropophila Amaral, Leal-Zanchet & Carbayo, 2015, a species that seems to be spreading across Brazil's human-modified environments, was investigated. Extensive experiments led to the conclusion that the generalized diet of this species may have facilitated its dispersal. The analysis of 132 feeding records of 44 geoplaninid species revealed a tendency for closely related species to feed on individuals from similar taxonomic groups, suggesting that in this group behavioral evolution is more conserved than phylogenetic diversification.

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Section: Resultsmentioning

confidence: 99%

Section: Diet Breadth Tends To Be Restrained Within Generamentioning

confidence: 99%

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Observations on food preference of Neotropical land planarians (Platyhelminthes), with emphasis on Obama anthropophila, and their phylogenetic diversification

Cseh¹,

Carbayo²,

Froehlich³

2017

Zoologia

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“…They cannot endure desiccation since they have not developed mechanisms for water conservation (Kawaguti 1932). Therefore, they hide from the sunlight (under fallen logs and leaf litter) and exhibit greater activity at night, predating on soil invertebrates such as earthworms, snails, slugs, insects and arachnids (Negrete et al 2014a;Prasniski and Leal-Zanchet 2009). Due to their habitat requirements and position in the food chain, land planarians are good indicator taxa in biodiversity and conservation studies (Sluys 1998).…”

Section: Introductionmentioning

confidence: 99%

A new species of Notogynaphallia (Platyhelminthes, Geoplanidae) extends the known distribution of land planarians in Chacoan province (Chacoan subregion), South America

2015

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Background: The subfamily Geoplaninae (Geoplanidae) includes land planarian species of the Neotropical Region. In Argentina, the knowledge about land planarian diversity is still incipient, although this has recently increased mainly in the Atlantic Forest ecosystem. However, other regions like Chacoan forests remain virtually unexplored. Results: In this paper, we describe a new species of the genus Notogynaphallia of the Chacoan subregion. This species is characterized by a black pigmentation on the dorsum and a dark grey ventral surface. The eyes with clear halos extend to the dorsal surface. The pharynx is cylindrical. The main features of the reproductive system involve testes anterior to the ovaries, prostatic vesicle intrabulbar (with a tubular proximal portion and a globose distal portion) opening broadly in a richly folded male atrium, common glandular ovovitelline duct and female genital canal dorso-anteriorly flexed constituting a "C", female atrium tubular proximally and widening distally. Conclusions: This is the first report of the genus Notogynaphallia in Argentina (Chacoan subregion, Neotropical Region) which increases its geographic distribution in South America. Also, as a consequence of features observed in species of the genus, we propose an emendation of the generic diagnosis.

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“…They are important elements of forest communities and are considered to be top predators in their microhabitats, where they feed on other invertebrates, such as annelids, gastropods, insect larvae, other arthropods, and even other land planarians (Du Bois-Reymond Marcus 1951;Froehlich 1955;Ogren 1995;Jones and Cumming 1998;Winsor et al 1998;Sluys 1999;Carbayo and Leal-Zanchet 2003;Prasniski and Leal-Zanchet 2009). These flatworms do not have any water retention mechanism and have low tolerance to extreme changes in temperature and humidity.…”

Section: Introductionmentioning

confidence: 99%

Effects of pine invasion on land planarian communities in an area covered by Araucaria moist forest

et al. 2014

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Background: Cultivation of exotic pine species has increased in areas of Araucaria moist forest, which is an ecosystem with high biological diversity. Land planarians are generally susceptible to replacement of natural habitat by exotic tree species plantations. However, how planarian communities respond to the invasion of exotic species in natural habitats is unknown: (1) Are there differences in richness and abundance of land planarians between sites of Araucaria moist forest with (AMF-P) and without (AMF) pine trees and between these areas and pine plantations (P)? (2) Does the species composition of land planarians vary among AMF, AMF-P, and P? Results: This study shows that mean richness and abundance of land planarians per sample unit are higher in AMF sites than AMF-P sites. In addition, AMF sites have a higher estimated richness per sample unit than pine plantations and AMF-P sites. In AMF-P sites, mean richness and abundance are higher in sample units not influenced by pine trees than in those with pine needles. An ordination analysis indicated that the communities of each site are distinct, especially the communities of the AMF and P sites.Conclusions: The present work demonstrated negative impacts from a recent invasion of an exotic species of pine on the richness and abundance of land planarians in a site of Araucaria moist forest and significant variation in the planarian community composition between sites of Araucaria moist forest and pine plantation.

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Predatory behavior of the land flatworm Notogynaphallia abundans (Platyhelminthes: Tricladida)

Cited by 26 publications

References 27 publications

Observations on food preference of Neotropical land planarians (Platyhelminthes), with emphasis on Obama anthropophila, and their phylogenetic diversification

Observations on food preference of Neotropical land planarians (Platyhelminthes), with emphasis on Obama anthropophila, and their phylogenetic diversification

A new species of Notogynaphallia (Platyhelminthes, Geoplanidae) extends the known distribution of land planarians in Chacoan province (Chacoan subregion), South America

Effects of pine invasion on land planarian communities in an area covered by Araucaria moist forest

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