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Terry Erwin

American entomologist (1940–2020)

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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 1, 2026
Entity authorityQ3518898
Source-derived summary

Terry Lee Erwin (December 1, 1940 – May 11, 2020) was an American entomologist with the Smithsonian Institution.

Early life

Erwin went to Vallejo High School and then graduated in biology in 1964, followed by a masters in 1966 from San Jose State College (now San Jose State University). He went to the University of Alberta to study carabid beetles under George Ball, obtaining a Ph.D. in 1969 followed by a post-doctoral stint at Harvard under P. Jackson Darlington, Jr.

Career

He took up an entomologist position in the United States National Museum (later the Smithsonian Institution) but took a year off to study carabid beetles at the University of Lund under Carl H. Lindroth.

On return in 1971, Erwin was deputed to examine the beetles of Panama. By fogging the forest canopy with pesticide, he collected the falling specimens and found 1,200 species of beetles living in Luehea seemannii trees. Of those 1,200 species of beetles, he estimated that 163 are found only in the Luehea seemannii tree and not in other species of trees. There are about 50,000 species of trees in the tropics and beetles make up 40% of insects and related animals. Erwin estimated that there are about twice as many species of insects and related animals in tropical trees as there are on the ground of the forest. Erwin is notable for his controversial extrapolation of 30 million as the total number of arthropod species.

Editorial summary

This brief starts where responsible research should: with the source description of “Terry Erwin” as american entomologist (1940–2020). Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—1940, 2020, 1964, 1966—that can be checked directly. The linked authority record independently contributes the date 1940-12-01. The account is most persuasive where Terry, Erwin and American can be independently traced.
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Why this record matters

The subject matters to the general reference register because the source frames it as american entomologist (1940–2020). Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 1, 2026. The linked authority identifier is Q3518898. VIAF identifies the subject as 85255961. The Library of Congress control number is n50008972. 3 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1940, 2020, 1964 and 1966.

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Source & attribution

This entry incorporates text from Terry Erwin” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.