Thomas Wassmer

 
Thomas Wassmer   
Dr. Wassmer is interested in Aphodiinae, Scarabaeinae, and other dung beetles and families, especially Hydrophilidae. Most of his experience lies within the central European and Michigan/Ohio fauna, but he is interested in other geographical regions as well.

 

Photo:  Dr. Thomas Wassmer


 

Thomas Wassmer
Professor of Biology
Siena Heights University
1247 E. Siena Heights Dr.
Adrian, MI 49221 USA

TEL: 517-264-7637
EMAIL: twassmer@sienaheights.edu
LAB URL: http://shu.wassmer.org

   
 

PUBLICATIONS:

Wassmer T.1991. Einfluß einiger abiotischer und biotischer Faktoren, insbesondere des Wassergehaltes und der Faecesgröße, auf die Artengemeinschaft coprophager Käfer der Familien Scarabaeidae und Hydrophilidae in Schafsexkrementen einer alten Weidelandschaft mit sommerlicher Beweidungspause. Diplomarbeit, Institut für Biologie I (Zoologie), Albert-Ludwigs-Universität, Freiburg i. Brg., 159 Seiten. (Influence of some abiotic and biotic factors, especially watercontent and patch size, on the composition of the species community in sheep lumps at an old pasture area with an interruption in grazing through the dry summer months.) In German. Unpublished Diploma thesis, Institute of Biology I (Zoology), Albert-Ludwigs-University, Freiburg i. Brg., Germany, 159 pages.

Wassmer T, Sowig P. 1994. Die coprophagen Käfer der Schafsweide: "Flachsland" am Schönberg bei Freiburg. (Coprophagous beetles on a pasture grazed by sheep at the Schönberg near Freiburg). In German. Veröffentlichungen für Naturschutz und Landschaftspflege in Baden-Württemberg 68/69: 355-376.

Sowig P, Wassmer T. 1994. Resource partitioning in coprophagous beetles from sheep dung: Phenology and microhabitat preferences. Zoologische Jahrbücher, Abteilung für Systematik, Ökologie und Geographie der Tiere 121: 171-192.

Wassmer T. 1994. Seasonality of coprophagous beetles in the Kaiserstuhl area near Freiburg (SW-Germany) including the winter months. Acta Oecologica 15: 607-631.

Wassmer T, Himmelsbach R, Himmelsbach W. 1994. Dungbewohnende Blatthornkäfer (Scarabaeoidea) und Wasserkäfer (Hydrophilidae) aus dem Hessental bei Schelingen im Kaiserstuhl. (Dung dwelling beetles (Scarabaeoidea and Hydrophilidae) from the Hessental in the Kaiserstuhl area). In German. Mitteilungen des Badischen Landesvereins für Naturkunde und Naturschutz 16: 75-83.

Wassmer T. 1995. Mistkäfer (Scarabaeidae und Hydrophilidae) als Bioindikatoren für die naturschützerische Bewertung von Weidebiotopen. (Dung beetles (Scarabaeidae and Hydrophilidae) as bioindicators on the evaluation of pasture biotops in nature protection and management). In German. Zeitschrift für Ökologie und Naturschutz 3: 135-142.

Wassmer T. 1995. Selection of the spatial habitat of coprophagous beetles in the Kaiserstuhl area near Freiburg (SW-Germany). Acta Oecologica 16: 461-478.

Wassmer, T. 2014. Seasonal Occurrence (Phenology) of Coprophilous Beetles (Coleoptera: Scarabaeidae and Hydrophilidae) from Cattle and Sheep Farms in Southeastern Michigan, USA. The Coleopterists Bulletin 68(3), 603-618. doi: 10.1649/072.068.0327.

Wassmer T. 2020. Phenological patterns and seasonal segregation of coprophilous beetles (Coleoptera: Scarabaeoidea and Hydrophilidae) on a cattle farm in SE-Michigan, United States throughout the year. Front Ecol Evol. 8. doi:10.3389/fevo.2020.563532.

Wassmer T. 2020. Attractiveness of cattle dung to coprophilous beetles (Coleoptera: Scarabaeoidea and Sphaeridiinae) and their segregation during the initial stages of the heterotrophic succession on a pasture in southeast Michigan. Journal of Insect Science 20(3). doi:10.1093/jisesa/ieaa040.

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University of Nebraska-Lincoln State Museum - Division of Entomology