Boxplots per collection year for Tephritidae and Syrphidae specimens extracted with the DNeasy Blood and Tissue Kit (Qiagen): A DNA quantities (calculated from concentration measured with Qubit 4.0); B the proportion of DNA fragments between 35 and 350 bp (measured with Fragment Analyzer (DNF-930 dsDNA Reagent kit)); C proportion of sequenced reads with Q > 30.

  
  Part of: Ferrari G, Esselens L, Hart ML, Janssens S, Kidner C, Mascarello M, Peñalba JV, Pezzini F, von Rintelen T, Sonet G, Vangestel C, Virgilio M, Hollingsworth PM (2023) Developing the Protocol Infrastructure for DNA Sequencing Natural History Collections. Biodiversity Data Journal 11: e102317. https://doi.org/10.3897/BDJ.11.e102317