Piter Kehoma Boll

Piter Kehoma Boll
Universidade do Vale do Rio dos Sinos | UNISINOS · Instituto de Pesquisas Planárias (IPP)

PhD

About

23
Publications
11,199
Reads
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94
Citations
Citations since 2017
13 Research Items
88 Citations
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Introduction
Piter Boll currently works at the Instituto de Pesquisas Planárias (IPP), Universidade do Vale do Rio dos Sinos. Piter does research in Behavior, Ecology and Taxonomy of land planarians (Geoplanidae). Their current project is 'Diet and predatory behavior of land planarians.'
Additional affiliations
March 2015 - present
Universidade do Vale do Rio dos Sinos
Position
  • PhD Student
March 2013 - February 2015
Universidade do Vale do Rio dos Sinos
Position
  • Master's Student
Education
March 2013 - February 2015
Universidade do Vale do Rio dos Sinos
Field of study
  • Wildlife Diversity and Management
March 2005 - December 2012

Publications

Publications (23)
Article
Land planarians are recognized as important predators, yet studies on their feeding habits are usually restricted to invasive species. Thus, it is difficult to determine the real ecological role of this group in ecosystems and how their communities are structured. In the present study, we analyzed the diet of six co-occurring Neotropical land plana...
Article
Land planarians have a simple anatomy and simple behavioral repertoire in relation to most bilaterian animals, which makes them adequate for the study of biological processes. In this study, we investigate the behavior of land planarians during interaction events with other invertebrates found in the same environment. We observed 16 different behav...
Article
We analysed the behaviour of a woodlouse-eating Neotropical planarian, Luteostriata abundans, as a predator and as prey and investigated the planarian's ability to detect prey and predator by environmental cues. The results indicate that the planarian detects but does not follow woodlice chemical trails and cannot track the source of remote chemica...
Article
Although most land planarians are sensitive to environmental changes, some species are well adapted to human-disturbed areas and are easily transported to new places, having the potential to threaten native ecosystems. We investigated growth and survival in a land planarian common in human-disturbed areas in southern Brazil. Specimens of Obama anth...
Article
We describe two new species of Neotropical land planarians found in protected areas of the Atlantic Forest in southern Brazil. Cratera obsidiana Amaral, Boll & Leal-Zanchet, sp. nov., found in the State Park of Turvo, is the first species of the genus Cratera described from an area of deciduous seasonal forest. It can be distinguished from its cong...
Article
Full-text available
We present new records of the invasive hammerhead flatworms Bipalium kewense Moseley, 1878 and Bipalium vagum Jones & Sterrer, 2005 (Platyhelminthes, Geoplanidae, Bipaliinae) from several states in Mexico based on iNaturalist and two vouchered specimens. This represents for Mexico the first review of distribution records of this group and highlight...
Article
The use of morphometrics for taxonomy and to predict the diet of organisms based on related species has been applied to several groups. In this study, for the first time, we used morphometric data of land planarians to find patterns that could differentiate genera and feeding habits. We examined body shape, pharynx shape, mouth position and the thi...
Article
We analysed the behaviour of a woodlouse-eating Neotropical planarian, Luteostriata abundans, as a predator and as prey and investigated the planarian's ability to detect prey and predator by environmental cues. The results indicate that the planarian detects but does not follow woodlice chemical trails and cannot track the source of remote chemica...
Poster
Full-text available
A planária terrestre Luteostriata abundans apresenta comportamento de fuga característico quando encontra seus predadores, os quais incluem outras planárias terrestres dos gêneros Obama e Paraba. Para analisar o refinamento da capacidade de L. abundans de diferenciar predadores de não predadores, comparamos seu comportamento ao entrar em contato co...
Poster
Full-text available
Planárias terrestres predadoras de minhocas e gastrópodes rastreiam sinal químico da presa, mas detecção de presas por planárias predadoras de artrópodes não foi estudada. Luteostriata abundans é uma espécie predadora exclusiva de isópodes terrestres. Para entender como L. abundans detecta isópodes, conduzimos três experimentos de detecção de presa...
Article
Full-text available
Invasive species establish successfully in new habitats especially due to their ability to include new species in their diet and due to the freedom from natural enemies. However, native species may also adapt to the use of new elements in their ecosystem. The planarian Endeavouria septemlineata, first recorded in Hawaii, was later found in Brazil....
Poster
Full-text available
Planárias terrestres compreendem importantes predadores da pedofauna em regiões tropicais e subtropicais e seu transporte acidental para localidades fora de sua área nativa pode levar ao seu estabelecimento como espécies invasoras, levando a impactos sobre populações nativas que constituem suas presas. Obama anthropophila Amaral, Leal-Zanchet & Car...
Poster
Full-text available
Planárias possuem anatomia e repertório comportamental simples em relação à maioria dos animais bilaterais, o que as torna adequadas para o estudo de processos biológicos. Existem diversos estudos sobre o comportamento de planárias límnicas, enquanto planárias terrestres, por outro lado, ainda são pouco estudadas. A dieta de planárias terrestres po...
Article
Full-text available
Invasive species establish successfully in new habitats especially due to their generalist diet and release of natural enemies. However, native species may also adapt to use new elements in their ecosystem. The planarian Endeavouria septemlineata, first recorded in Hawaii, was later registered in Australia and Brazil. Recently we found it in human-...
Article
Full-text available
Invasive species establish successfully in new habitats especially due to their generalist diet and release of natural enemies. However, native species may also adapt to use new elements in their ecosystem. The planarian Endeavouria septemlineata, first recorded in Hawaii, was later registered in Australia and Brazil. Recently we found it in human-...
Article
Full-text available
Studies on the predatory behaviour of land planarians have focused mainly on established invasive species, while the feeding habits of non-invasive planarians are poorly understood. We analyse the predatory behaviour of Obama ladislavii, a land planarian native to southern Brazil that is common in both natural and human-disturbed areas. Observation...
Article
Full-text available
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...
Article
Full-text available
The phylum Platyhelminthes has been traditionally subdivided into four classes, viz. Turbellaria, Trematoda, Monogenea e Cestoda. However, phylogenetic analyses indicated that the class Turbellaria was not well defined due to the lack of clear synapomorphies. Those studies were initially performed on the basis of morphological data. They indicated...

Questions

Questions (2)
Question
I am trying to find out whether some morphometric data of land planarians (for now, especially position of the dorsal insertion of the pharynx and position of the mouth) can predict their diet, but I am not quite sure about how I could compare the morphometry with the diet.
For now I have two measurements:
1. Relative position of the dorsal insertion of the pharynx in the pharyngeal pouch (which determines the shape of the pharynx);
2. Relative position of the mouth on the pharyngeal pouch.
I also have data on what organisms (prey species) are consumed by some of the species from which I took measurments. I separated the prey into 7 groups: woodlice, harvestmen, earthworms, snails, veronicellid slugs, agriolimacid slugs and other land planarians.
Does anyone have suggestions on how to deal with these data? Thanks in advance!
Question
In 1894, the zoologist Ludwig von Graff described a new land planarian species from Vietnam, naming it Bipalium rigaudi. He explained that the specimen was collected in Lao-Kay (Tonkin) by Dr. Rigaud in the year 1894, but I was not able to further identify this person.
Does anyone known who that might have been?
Here is a link to the article describing the species: http://www.biodiversitylibrary.org/item/22155#page/128/mode/1up
Thank you in advance for any help.

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