This dataset consists of micro-computed tomography (micro-CT) scans of various insects, including: Sceliphron caementarium (Sphecidae) - https://www.gbif.org/species/5041466 Arotes decorus - https://www.gbif.org/species/5029281 Vespula germanica (Vespidae) - https://www.gbif.org/species/1311649 Sphex ichneumoneus (Sphecidae) - https://www.gbif.org/species/1347459 Coccinellidae septempunctata (Coccinellidae) - https://www.gbif.org/species/4990191 Mantis religiosa (Mantidae) - https://www.gbif.org/species/6258028 The insects were scanned using micro CT imaging at the Centre for X-ray Tomography of Ghent University (Ghent, Belgium). VGStudio MAX (Volume Graphics, Heidelberg, Germany) was employed to reconstruct the insects' 3D surfaces from the CT scans. Our research utilized computer simulations to study the exposure of radio-frequency electromagnetic fields (RF-EMFs) from wireless communication networks, including 5G, within the 2.5 to 100 GHz frequency range. The Finite-Difference Time-Domain (FDTD) solver of Sim4Life (ZMT, Zurich, Switzerland) was used for EM simulations [1]. These scans form the basis for the creation of digital 3D models. Such a 3D model for Mantis religiosa was shared in Sketchfab (https://skfb.ly/oZNAD)