Anita Hoffmann
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Ana Esther Hoffmann Mendizábal (3 March 1919 – 11 October 2007), also known as Anita Hoffmann, was a Mexican researcher, educator, academic, and biologist specializing in
acarology Acarology (from Ancient Greek /, , a type of mite; and , -logy, ) is the study of mites and ticks, the animals in the order (biology), order Mite, Acarina. It is a subfield of arachnology, a subdiscipline of the field of zoology. A zoologist spec ...
and
parasitology Parasitology is the study of parasites, their host (biology), hosts, and the relationship between them. As a List of biology disciplines, biological discipline, the scope of parasitology is not determined by the organism or environment in questio ...
. She was a pioneer in the study of
arachnids Arachnids are arthropods in the class Arachnida () of the subphylum Chelicerata. Arachnida includes, among others, spiders, scorpions, ticks, mites, pseudoscorpions, harvestmen, camel spiders, whip spiders and vinegaroons. Adult arachnids ...
and
acari Mites are small arachnids (eight-legged arthropods) of two large orders, the Acariformes and the Parasitiformes, which were historically grouped together in the subclass Acari. However, most recent genetic analyses do not recover the two as ea ...
in Mexico. She founded the
Instituto Politécnico Nacional The National Polytechnic Institute (), abbreviated IPN, is one of the largest public universities in Mexico with 171,581 students at the high school, undergraduate and postgraduate levels. It is the second-best university in Mexico in the techni ...
's Laboratory of Acrology in 1965, the first in
Latin America Latin America is the cultural region of the Americas where Romance languages are predominantly spoken, primarily Spanish language, Spanish and Portuguese language, Portuguese. Latin America is defined according to cultural identity, not geogr ...
, and another at the
Faculty of Sciences Science education is the teaching and learning of science to school children, college students, or adults within the general public. The field of science education includes work in science content, science process (the scientific method), some ...
of the
National Autonomous University of Mexico The National Autonomous University of Mexico (, UNAM) is a public university, public research university in Mexico. It has several campuses in Mexico City, and many others in various locations across Mexico, as well as a presence in nine countri ...
in 1977.


Education and personal life

On 3 March 1919, Ana Esther Hoffmann Mendizábal was born in
Puebla Puebla, officially the Free and Sovereign State of Puebla, is one of the 31 states that, along with Mexico City, comprise the Federal Entities of Mexico. It is divided into 217 municipalities and its capital is Puebla City. Part of east-centr ...
, a state of
Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
. Her father was Carlos Cristian Hoffmann, a German-Mexican
entomologist Entomology (from Ancient Greek ἔντομον (''éntomon''), meaning "insect", and -logy from λόγος (''lógos''), meaning "study") is the branch of zoology that focuses on insects. Those who study entomology are known as entomologists. In ...
, and she accompanied him on fieldwork to other states in Mexico to meet and work with other scientists like Francisco Villagrán,
Isaac Ochoterena Isaac Ochoterena (1885–1950) was a Mexican autodidact, biologist, botanist, plant collector, researcher, educator and academic who published over 230 scientific works. Initially a primary school teacher, he went on to become a professor at ...
, Leopoldo Ancona, José de Lille,
Helia Bravo Hollis Helia Bravo Hollis () (30 September 1901 – 26 September 2001) was a Mexican botanist and a researcher in the Faculty of Science at UNAM. Background and studies Helia Bravo Hollis was born and raised in Mixcoac, located in present-day Mex ...
, and . Hoffmann would later be taught by some of these men during her university. In 1939, Hoffmann was among the first classes of students to enroll at the
National Autonomous University of Mexico The National Autonomous University of Mexico (, UNAM) is a public university, public research university in Mexico. It has several campuses in Mexico City, and many others in various locations across Mexico, as well as a presence in nine countri ...
's School of Sciences following its founding in July of that year. She was awarded her
master's degree A master's degree (from Latin ) is a postgraduate academic degree awarded by universities or colleges upon completion of a course of study demonstrating mastery or a high-order overview of a specific field of study or area of professional prac ...
from UNAM in 1941. She undertook advanced training in the USA about ticks and mites at
Duke University Duke University is a Private university, private research university in Durham, North Carolina, United States. Founded by Methodists and Quakers in the present-day city of Trinity, North Carolina, Trinity in 1838, the school moved to Durham in 1 ...
and with the mite collection at the
Smithsonian Museum The Smithsonian Institution ( ), or simply the Smithsonian, is a group of museums, education and research centers, created by the U.S. government "for the increase and diffusion of knowledge". Founded on August 10, 1846, it operates as a trus ...
. She was awarded a D. Sc degree for work on
Trombiculidae Trombiculidae (), commonly referred to in North America as chiggers and in Britain as harvest mites, but also known as berry bugs, bush-mites, red bugs or scrub-itch mites, are a family of mites. Chiggers are often confused with jiggers – a ...
mites by UNAM in 1965.


Career

After graduating her first post was in the Institute of Biology and she became a research assistant. In 1944, she moved to the Institute of Public Health and Tropical Diseases of Mexico to work on
tick Ticks are parasitic arachnids of the order Ixodida. They are part of the mite superorder Parasitiformes. Adult ticks are approximately 3 to 5 mm in length depending on age, sex, and species, but can become larger when engorged. Ticks a ...
s and their infection with
Rocky Mountain spotted fever Rocky Mountain spotted fever (RMSF) is a bacterial disease spread by ticks. It typically begins with a fever and headache, which is followed a few days later with the development of a rash. The rash is generally Petechial rash, made up of small s ...
group ''
Rickettsia ''Rickettsia'' is a genus of nonmotile, gram-negative, nonspore-forming, highly pleomorphic bacteria that may occur in the forms of cocci (0.1 μm in diameter), bacilli (1–4 μm long), or threads (up to about 10 μm long). The genus was n ...
'' bacteria. In 1965 she founded and became head of the first laboratory of acarology in Latin America. She also began to teach acarology. In 1975 she was appointed as a professor at UNAM and led a second laboratory for acarology. As well as ticks and mites, Hoffmann also worked on the classification and description of other ectoparasites of mammals, their host-parasite relationships. She also collaborated in research about
scabies Scabies (; also sometimes known as the seven-year itch) is a contagious human skin infestation by the tiny (0.2–0.45 mm) mite ''Sarcoptes scabiei'', variety ''hominis''. The word is from . The most common symptoms are severe itchiness a ...
.


Publications

Hoffmann was the author or co-author of over 130 articles and 10 books.These include: * Animales desconocidos: relatos acarológicos (Unknown animals: acarological tales) (1988) * Biodiversidad de ácaros en México (Biodiversity of mites in Mexico) (2000) She described around 60 taxa of mites. Examples include '' Chapalania cifuentesi'' within the family
Laelapidae The Laelapidae are a family of mites in the order Mesostigmata. The family is also referred to in the literature as Laelaptidae, which may be the correct spelling. Description Laelapidae have a shield covering all or most of the dorsal surface ...
and a new eriophyid mite '' Acalitus santibanezi''.


Awards and honours

In 1974 Hoffmann was given honorary membership of the Veterinary Parasitology Society and in 1982 became an honorary member of the Mexican Zoology Society and of the Biological Sciences Academy Society of the Universidad Autónoma de Nayarit the Mexican Zoology Society in 1983 and the Mexican Parasitology Society in 1987. In 1995 the Mexican Entomology Society (1995) made her an honorary member. Hoffmann was recognized as an emeritus researcher of the National Researchers System in 1984. In 1990 she received the National University Award, followed by the Diploma of Academic Merit from the Colegio de Biólogos de México (Mexican Board of Biologists) in 1997 along with the title of Distinguished Researcher of the National Polytechnic Institute (IPN) and the Medal of College Merit. She was made an Emeritus Professor of UNAM in 2001. Around 40 species have been named after her.


Legacy

Her collection of 100,000 mites and 400 spiders, as well as
millipede Millipedes (originating from the Latin , "thousand", and , "foot") are a group of arthropods that are characterised by having two pairs of jointed legs on most body segments; they are known scientifically as the class Diplopoda, the name derive ...
s,
centipedes Centipedes (from Neo-Latin , "hundred", and Latin language, Latin , "foot") are predatory arthropods belonging to the class Chilopoda (Ancient Greek , ''kheilos'', "lip", and Neo-Latin suffix , "foot", describing the forcipules) of the subphyl ...
and other ectoparasites is held in the Institute of Biology of UNAM.


Citations

{{DEFAULTSORT:Hoffmann, Anita 1919 births 2007 deaths Academic staff of the National Autonomous University of Mexico National Autonomous University of Mexico alumni Mexican people of German descent People from Puebla Women parasitologists Acarologists