Logo: Arachnology Lab at AMNH Scorpion Systematics Research Group Logo: American Museum of Natural History

Visiting Students

Many graduate students from other institutions in the U.S. and abroad have visited the AMNH Arachnology Lab in the past, often funded in part by the AMNH Small Grants program (Annette Kade Fellowships, Collections Study Grants and Theodore Roosevelt Memorial Fund). If you are interested in applying for small grants to visit the AMNH, please visit the Richard Gilder Graduate School.

Jairo A. Moreno-González

Jairo A. Moreno-González

Museu de Zoologia, Universidade de Sao Paulo, Brasil

PhD Student in 2019

Jairo is a PhD candidate at the Instituto de Biociencias, Universidad de Sao Paulo, Sao Paulo, Brazil. His research interests are focused on systematics and evolution of some arachnid orders such as Scorpiones (Buthidae: Tityus), and Pedipalpi (Schizomida, Uropygi and Amblypygi). His PhD project deals with the systematic revision of Tityus (Archaeotityus) using phenotypic and genetic evidence. He visited the AMNH for six months to examine material and score morphological characters for his thesis disseration.


Andria de Paula Santos da Silva

Andria de Paula Santos da Silva

Instituto de Biociencias, Universidade de Sao Paulo, Brasil

PhD Student in 2019

Andria's PhD project deals with the systematics of the scorpion genus Ananteris (Buthidae). She visited the AMNH collection to examine a large number of these scorpions and generate morphological data.


Catalina Romero

Catalina Romero

Universidad Nacional, Colombia

PhD Student in 2019

Catalina spent a few months visiting the AMNH collections to examine specimens and collect morphological data for her PhD thesis on pseudoscorpions of the family Whitiidae.


Miguel Medrano

Miguel Medrano

Museu Nacional, Universidade Federal do Rio de Janeiro, Brasil

PhD Student in 2019

Miguel spent a week at the AMNH examining type specimens for his PhD project on systematics of Cosmetidae (Opiliones, Laniatores).


Jahnavi Joshi

Jahnavi Joshi

Natural History Museum, UK

Post-Doctoral Fellow in 2019

Jahnnavi visited the AMNH to examine a series of old centipedes for an ongoing research project at the Natural History Museum in London.


Aaron Goodman

Aaron Goodman

California Academy of Sciences, USA

Master's Student from 2018 to 2019

Aaron is mainly interested in scorpion systematics. He came to the AMNH to generate morphological data for his master's dissertation on the genus Centruroides (Buthidae).


Stephan Schaffrath

Stephan Schaffrath

University of Cologne, Germany

PhD Student from 2014 to 2014 and in 2018

For Stephan's PhD he visited the AMNH to receive training in DNA isolation, amplification and sequencing while investigating the chemical composition of scorpion venoms, with a view to using species-specific signatures for systematics. Later, Stephan returned to spend three months at the AMNH generating DNA and morphological data for his PhD thesis, focused on the scorpion genus Euscorpius (Euscorpiidae).


Carlos Albeto Martinez Muñoz

Carlos Albeto Martinez Muñoz

University of Turku, Finland

PhD Student from 2018 to 2019

Carlos' main research interest is focused on Myriapods. He came to the AMNH to examine and organize a series of old types described by Chamberlin.


Callum Mclean

Callum Mclean

Manchester Metropolitan University, UK

PhD Student in 2018

Callum visited the AMNH collections to examine various species of Amblypygi for his doctoral thesis, focused in biomechanics of predatory structures in arthropods.


Shlomo Cain

Shlomo Cain

University of Haifa, Oranim, Israel

MSc Student in 2018

Shlomo visited the AMNH for three months to examine scorpions of the genus Buthacus (Buthidae) for his master's dissertation.


Ivan Magalhaes

Ivan Magalhaes

Museo Argentino de Ciencias Naturales Bernardino Rivadavia, Argentina | CONICET | Doctoral fellow, Division Aracnologia

PhD Student in 2017

Ivan is a PhD candidate at the Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", Argentina. His research focuses on spider systematics and its interface with their evolution and biogeography. His current project aims at resolving the systematics of crevice weavers (family Filistatidae), a group of shy and little-studied spiders most diverse in dry subtropical areas. His is also interested in the systematics of sand spiders (Sicarius) and spiny orb weavers (Micrathena).


Gerardo Contreras

Gerardo Contreras

Instituto de Biología, Universidad Nacional Autonóma de México (IBUNAM), Mexico City

Student from 2015 to 2017

Gerardo visited the AMNH to examine the collection of the North American scorpions of the genus Vaejovis and relatives, and score characters for his phylogenetic analysis. He returned a second time to generate DNA sequences in the molecular lab.


Rodrigo Monjáraz Ruedas

Rodrigo Monjáraz Ruedas

Instituto de Biología, Universidad Nacional Autonóma de México (IBUNAM), Mexico City

PhD student in 2014 and from 2016 to 2017

Rodrigo is studying the Schizomida fauna of Mexico. He visited the AMNH to examine the schizomid holdings of the collection and score morphological characters for his PhD research.


Tebogo Ledwaba

Tebogo Ledwaba

Ditsong National Museum of Natural History, Pretoria, South Africa

Student in 2017

Tebogo visited the AMNH for 2 months to digitize the AMNH collection of African scorpions and part of the Karoo BioGaps Grant funded by the South African National Research Foundation.


Jesus Alberto Cruz-López

Jesus Alberto Cruz-López

Instituto de Biología, Universidad Nacional Autonóma de México (IBUNAM), Mexico City

Student in 2017

Jesus visited the AMNH to examine the collection of mexican harvestmen (Opiliones) as part of his dissertation research.


Ricardo Botero-Trujillo

Ricardo Botero-Trujillo

Museo Argentino de Ciencias Naturales Bernardino Rivadavia, Argentina | CONICET | Doctoral fellow, Division Aracnologia | Theodore Roosevelt Memorial Grant

PhD student in 2016

Ricardo Botero Trujillo earned his biology degree from the Pontificia Universidad Javeriana, Bogotá. While an undergraduate student, he became interested in arachnids and started working on scorpions from his native country, Colombia. Gradually, hooded thick-spider (order Ricinulei) and sun-spiders (order Solifugae) became part of his research interests. After a 5-year period working in the pharmaceutical industry, Ricardo moved to Buenos Aires, Argentina to start his PhD His doctoral thesis consists of a taxonomic revision and phylogenetic analysis of the South American sun-spider family Mummuciidae. After being awarded a Theodore Roosevelt Memorial Grant, Ricardo visited the AMNH to study the collections of the groups he works on.


Dulce Flor Piedra

Dulce Flor Piedra

PhD student in 2016

Dulce came to examine the collection of Pseudoscorpiones for her dissertation research.


Francisco Salgueiro Sepulveda

Francisco Salgueiro Sepulveda

Instituto de Biología, Universidad Nacional Autonóma de México (IBUNAM), Mexico City

PhD student in 2016

Francisco spent a month at the AMNH to study the collection of tetragnathid spiders for his dissertation.


Diego Barrales

Diego Barrales

Instituto de Biología, Universidad Nacional Autonóma de México (IBUNAM), Mexico City

Student in 2016

Diego visted the AMNH to examine material belonging to the species Mastigoproctus giganteus especially from localities within the United States. His findings will be incorporated into a morphological analysis used for a species delimitation project.


Samuel Mwangi

Samuel Mwangi

West Texas A&M University, Canyon, TX | National Museums of Kenya, Nairobi | Theodore Roosevelt Fellowship, Richard Lounsbery Foundation, Collections Study Grant

MSc student in 2005 and 2016

Samuel's MSc research focuses on the diversity of Kenyan scorpions of Kenya. As student at the National Museums of Kenya, Nairobi, he visited the AMNH for training in the Molecular Systematics Laboratory. He later returned to the AMNH to examine and photograph specimens for his Masters research at West Texas A&M University.


Bastian-Jesper Klußmann-Fricke

Bastian-Jesper Klußmann-Fricke

University of Rostock, Germany | Annette-Kade Fellowship

Student in 2015

Bastian visited the AMNH to study the respiratory and circulatory systems of camel spiders (Solifugae) using osmium tetroxide staining, corrosion casting, and microCT.


Gustavo Silva de Miranda

Gustavo Silva de Miranda

Natural History Museum of Denmark, University of Copenhagen

PhD student in 2014 and 2015

Gustavo visited the AMNH twice during his PhD to work on the collection of whip spiders (Amblypygi) for his revision of the family Charinidae. He was trained and generated DNA sequence data from charinid samples in the AMNH molecular lab.


Ingrid Catalina Romero Ortiz

Universidad Nacional de Colombia, Bogotá

Graduate student in 2015

Ingrid Catalina visited the AMNH to study the pseudoscorpion holdings and types as part of her graduate research on their taxonomy and systematics.


Daniela Ramírez

Daniela Ramírez

Instituto de Biología, Universidad Nacional Autonóma de México (IBUNAM), Mexico City

PhD student in 2014

Daniela visited the AMNH to examine the collection of tarantula spiders (Theraphosidae) as part of her PhD research.


Carlos Santibañez-López

Carlos Santibañez-López

Instituto de Biología, Universidad Nacional Autonóma de México (IBUNAM), Mexico City | Collections Study Grant, Theodore Roosevelt Memorial Grant

PhD student in 2009, from 2011 to 2012, and in 2014

Carlos revised the genus Diplocentrus (Diplocentridae) for his PhD and has studied the taxonomy of other scorpions occurring in Mexico. He first visited the AMNH examine the collection of Diplocentridae and later returned to extract, amplify and sequence DNA from Diplocentridae, and to score a morphological matrix for phylogenetic analysis.


Rene Barba

Rene Barba

Instituto de Ecología y Sistemática, Havana, Cuba | Collections Study Grant

Student in 2019

Rene's research focuses on the pseudoscorpion families Sternophoridae, Olpiidae and Garypinidae. He visited the AMNH collections to examine and image type and nontype material from the Caribbean.


Roberta Engel

University of Connecticut, Storrs, CT

Student in 2012

Roberta's research focused on the systematics of pseudoscorpions. She visited the AMNH to examine the holdings of Australian pseudoscorpions.


Humberto Yoji Yamaguti

Humberto Yoji Yamaguti

Universidade de São Paulo, Brazil

PhD student in 2009 and 2011

Humberto conducted a revision and phylogenetic analysis of the scorpion genus Rhopalurus (Buthidae) for his PhD He visited the AMNH to extract, amplify and sequence DNA from Rhopalurus samples and to use materials to score characters.


Patricia Carrera

Universidad Nacional de Cordoba, Argentina | Collections Study Grant

PhD student in 2009

Patricia studied mating behavior and sexual selection in bothriurid scorpions for her PhD She visited the AMNH to study the structure and homology of the scorpion hemispermatophore.


Jesus Alfonso Ballesteros Chavez

Jesus Alfonso Ballesteros Chavez

Instituto de Biología, Universidad Nacional Autonóma de México (IBUNAM), Mexico City | Collections Study Grant

MSc student in 2008

Jesus' MSc research aimed to reconstruct the phylogenetic relationships of the species belonging to the Neotropical whip spider genus Paraphrynus (Amblypygi) and its relationship with the rest of the genera of Phrynidae. He visited the AMNH to study the Neotropical phrynids. He then moved to George Washington University for a PhD on spiders.


Fabio Akashi Hernandes

Fabio Akashi Hernandes

UNESP: São Paulo State University, Brazil

MSc student in 2008 and 2016

Fabio's main interests are the taxonomy of plant mites (Bdellidae, Tetranychidae, Raphignathoidea) and feather mites (Astigmata), with an emphasis on the taxonomy and phylogeny of the genus Aponychus and related genera (Acari, Tetranychidae). He visited the AMNH to study mite types from several groups.


Andrés Ojanguren-Affilastro

Andrés Ojanguren-Affilastro

Museo Argentino de Ciencias Naturales, Buenos Aires, Argentina | AMNH Collections Study Grant

PhD student in 2005 and 2007

Andrés' PhD research was a revision of the diverse South American bothriurid genus Brachistosternus. He visited the AMNH twice, the first time to extract, amplify and sequence DNA from bothriurid samples and a second time to continue his work on bothriurid systematics.


Alexander V. Gromov

Alexander V. Gromov

Institute of Zoology, Almaty, Kazakhstan | Collections Study Grant and NSF BS&I Grant

Student in 2007

Alex is interested in central Asian solifuges and is revising the family Karschiidae. He visited the AMNH to work on the solpugid collections as part of the Global Survey and Inventory of Solifugae.


Carsten Kamenz

Carsten Kamenz

Humboldt University, Berlin, Germany | Annette Kade Fellowship

Student from 2005 to 2006

Carsten was a visiting student and a postdoc.


Valerio Vignoli

Valerio Vignoli

University of Siena, Italy | Theodore Roosevelt Memorial Grant

PhD student in 2004 and 2006

Valerio revised the taxonomy, ecology and biogeography of Euscorpius for his PhD. He visited the AMNH twice to revise the North American scorpion family Typhlochactidae. He also participated in AMNH trips to Benin, Costa Rica, Morocco, Guinea-Bissau and Senegal.


Christian Wirkner

Christian Wirkner

Friedrich-Schiller University, Jena, Germany | Annette Kade Fellowship

Student in 2004

Christian studied the comparative morphology of arthropods from phylogenetic and evolutionary perspectives and, more specifically, organ evolution and transformation, first at Jena University before moving to Rostock University. He visited the AMNH to study the scorpion circulatory system.


Christina Bisulca

Christina Bisulca

University of Delaware, Newark, DE | Winterthur Art Conservation Fellowship

MSc student in 2003

Christina visited the AMNH during her MSc in Art Conservation at the University of Delaware, working with the Department of Natural Sciences Conservation. Bisulca surveyed the state of curation of the non-spider Arachnid and Myriapod Collection, resulting in upgrades to the glassware and closures housing the collection.


Amazonas Chagas, Jr.

Amazonas Chagas, Jr.

Museu Nacional, Universidade Federal do Rio de Janeiro, Brazil

Postgraduate student in 2003

After his Masters, Amazonas visited the AMNH while in the USA to work at the North Carolina State Museum, Raleigh. At the AMNH, Amazonas studied scolopendromorph centipedes from around the world.


Lionel Monod

Lionel Monod

University of Geneva, Switzerland

Student in 2002

Lionel Monod was a visiting student and graduate student.