Arnold Andreas Friedrich Pagenstecher (25 December 1837,

Dillenburg Dillenburg, officially Oranienstadt Dillenburg, is a town in Hesse's Gießen (region), Gießen region in Germany. The town was formerly the seat of the old Dillkreis district, which is now part of the Lahn-Dill-Kreis. The town lies on the German-N ...

– 11 June 1913,

Wiesbaden Wiesbaden () is a city in central western Germany and the capital of the state of Hesse. , it had 290,955 inhabitants, plus approximately 21,000 United States citizens (mostly associated with the United States Army). The Wiesbaden urban area ...

) was a German

doctor Doctor or The Doctor may refer to: Personal titles * Doctor (title), the holder of an accredited academic degree * A medical practitioner, including: ** Physician ** Surgeon ** Dentist ** Veterinary physician ** Optometrist *Other roles ** ...

and

entomologist Entomology () is the scientific study of insects, a branch of zoology. In the past the term "insect" was less specific, and historically the definition of entomology would also include the study of animals in other arthropod groups, such as arach ...

. He was especially interested in

Lepidoptera Lepidoptera ( ) is an order (biology), order of insects that includes butterfly, butterflies and moths (both are called lepidopterans). About 180,000 species of the Lepidoptera are described, in 126 Family (biology), families and 46 Taxonomic r ...

, especially

Papilionidae Swallowtail butterflies are large, colorful butterflies in the family Papilionidae, and include over 550 species. Though the majority are tropical, members of the family inhabit every continent except Antarctica. The family includes the larges ...

. He wrote ''Die geographische Verbreitung der Schmetterlinge''. Jena: Gustav Fischer 451 p. Maps (1909). Trained as a physician, he studied medicine at the universities of

Würzburg Würzburg (; Main-Franconian: ) is a city in the region of Franconia in the north of the German state of Bavaria. Würzburg is the administrative seat of the ''Regierungsbezirk'' Lower Franconia. It spans the banks of the Main River. Würzburg is ...

Berlin Berlin ( , ) is the capital and largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's most populous city, according to population within city limits. One of Germany's sixteen constitue ...

and

Utrecht Utrecht ( , , ) is the List of cities in the Netherlands by province, fourth-largest city and a List of municipalities of the Netherlands, municipality of the Netherlands, capital and most populous city of the Provinces of the Netherlands, pro ...

. He then worked as an assistant for his cousin,

Alexander Pagenstecher Alexander Pagenstecher may refer to: * Alexander Pagenstecher (ophthalmologist) * Alexander Pagenstecher (zoologist) Heinrich Alexander Pagenstecher (18 March 1825, Elberfeld – 4 January 1889, Hamburg) was a German zoologist. He studied me ...

(1828–1879), at the latter's

ophthalmology Ophthalmology ( ) is a surgical subspecialty within medicine that deals with the diagnosis and treatment of eye disorders. An ophthalmologist is a physician who undergoes subspecialty training in medical and surgical eye care. Following a medic ...

clinic in

. In 1863 he settled as general practitioner in Wiesbaden, specializing in otological medicine. In 1876 he became a ''Sanitätsrat'' (medical officer), followed by an appointment as ''Geheimen Sanitätsrat'' (privy medical counselor) in 1896. He is known for his extensive studies of Lepidoptera species native to the

Maritime Southeast Asia Maritime Southeast Asia comprises the countries of Brunei, Indonesia, Malaysia, the Philippines, Singapore, and East Timor. Maritime Southeast Asia is sometimes also referred to as Island Southeast Asia, Insular Southeast Asia or Oceanic Sout ...

. In the treatise, ''Die geographische Verbreitung der Schmetterlinge'', he dealt with the underlying causes involving the

geographical Geography (from Greek: , ''geographia''. Combination of Greek words ‘Geo’ (The Earth) and ‘Graphien’ (to describe), literally "earth description") is a field of science devoted to the study of the lands, features, inhabitants, and ...

distribution of Lepidoptera. He was the author of noted works on the family

Callidulidae Callidulidae, the only known family of the superfamily Calliduloidea, is the family of Old World butterfly-moths, containing eight genera. They have a peculiar distribution, restricted to the Old World tropics of Southeast Asia to Australasia a ...

and the subfamily Libytheidae. He directed the Wiesbaden Natural History Museum from 1882 until his death in 1913.Museum Wiesbaden
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References

External links

Museum Wiesbaden The Museum Wiesbaden is a two-branch museum of art and natural history in the Hessian capital of Wiesbaden, Germany. It is one of the three Hessian State museums, in addition to the museums in Kassel and Darmstadt. History The foundation of ...

includes partial bibliography
Text of paper on races of ''Parnassius apollo''
(in German) German lepidopterists 1837 births 1913 deaths {{entomologist-stub