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List of works by Helmut Käfer

Assessing honeybee and wasp thermoregulation and energetics-New insights by combination of flow-through respirometry with infrared thermography

scientific article

Comparison of thermal traits of Polistes dominula and Polistes gallicus, two European paper wasps with strongly differing distribution ranges. ⬇️

scientific article published on 15 October 2016

Effect of climate on strategies of nest and body temperature regulation in paper wasps, Polistes biglumis and Polistes gallicus

scientific article published in 2022

Energetics of Paper Wasps (Polistes sp.) from Differing Climates during the Breeding Season

scientific article published in 2022

Habitat Temperatures of the Red Firebug, Pyrrhocoris apterus: The Value of Small-Scale Climate Data Measurement

scientific article published in 2023

Metabolism and upper thermal limits of Apis mellifera carnica and A. m. ligustica

scientific article published on November 2014

Relation between activity, endothermic performance and respiratory metabolism in two paper wasps: Polistes dominula and Polistes gallicus

scientific article published on 10 September 2020

Respiration and metabolism of the resting European paper wasp (Polistes dominulus).

scientific article

Respiration patterns of resting wasps (Vespula sp.).

scientific article published on 9 February 2013

Resting metabolism and critical thermal maxima of vespine wasps (Vespula sp.).

scientific article published on 10 February 2012

Temperature Tolerance and Thermal Environment of European Seed Bugs

scientific article published on 20 March 2020

The Respiratory Metabolism of Polistes biglumis, a Paper Wasp from Mountainous Regions

scientific article published on 04 March 2020

The Thermoregulatory Behavior of Nectar Foraging Polistine Wasps (Polistes dominula and Polistes gallicus) in Different Climate Conditions

scientific article published on 27 June 2019

The energetics and thermoregulation of water collecting honeybees

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