DOI: 10.5061/dryad.6m905qgdj
title: Experimental data on the effects of heavy metal compounds on the development, survival, and bioaccumulation patterns in <em>Calliphora vicina</em> larvae

description: This dataset contains experimental data obtained from laboratory assays
 investigating the effects of increasing concentrations of heavy metal
 compounds on the development, survival, and bioaccumulation in Calliphora
 vicina larvae. Individuals were exposed to different concentrations of
 arsenic trioxide, phenylmercury acetate, cadmium acetate, and lead
 acetate, and responses were measured in terms of larval length, weight,
 and survival rate. Bioaccumulation was assessed by comparing the metal
 concentrations to which larvae were exposed with those detected in larval
 tissues after the rearing period, as well as concentration measurements of
 substrate and larval samples. It also contains both raw and processed
 survival data, in which the number of surviving larvae was recorded.
description: <strong>Development data</strong> were recorded by
 individually measuring larval length using a ruler and larval weight using
 an analytical balance. <strong>Survival raw
 data</strong> were obtained by counting the number of initially
 hatched eggs and the number of surviving larvae at the end of the
 experiment, including those showing signs of impaired health.
 <strong>Processed survival data</strong> were generated by
 calculating the mean survival rate for each concentration level of each
 heavy metal compound, which was then used to determine the lethal dose 50
 (LD<sub>50</sub>).
 <strong>Bioaccumulation data</strong> were obtained
 by directly measuring metal concentrations in larval and substrate samples
 using atomic spectroscopy techniques. Inductively Coupled Plasma Optical
 Emission Spectrometry (ICP-OES) was used for arsenic, lead, and cadmium
 analyses, while Cold Vapor Atomic Absorption Spectroscopy (CV-AAS) was
 used for mercury determination. Wet-weight concentrations were calculated
 by applying a conversion factor.
description: **Paper:** Detection of arsenic, mercury, cadmium and lead compounds in
 Calliphora vicina (Diptera: Calliphoridae) larvae and their potential
 impact on larval development **Paper Authors:** Ana Catarina Fialho; Vasco
 Branco; Edite Oliveira-Torres; Cristina Carvalho; Alexandre Quintas;
 Carlos Família; Paulo Mascarenhas **Description:** This README file
 describes the data used to conduct this study. **Files:** Fialho_2025.zip
 * 1\. development_data.csv: includes data of the length (mm) and weight
 (mg) measurements made on *Calliphora vicina* larvae that developed in
 different concentrations of each heavy metal compound tested. The first
 column refers to the metal compound tested - As for arsenic trioxide; Hg
 for phenylmercury acetate; Pb for lead acetate; and Cd for cadmium
 acetate. The remaining columns include the concentration of each heavy
 metal compound (in mg/kg); length (in mm) and weight (in mg) of
 *Calliphora vicina* larva individuals. - 2\. raw_survival_data.csv:
 includes raw survival rate data of *Calliphora vicina* reared on
 increasing concentrations of each heavy metal compound. The first and
 second columns refer to the metal and concentration (in mg/kg) tested, as
 described in the previous file; the third and forth colums include the
 number of eggs in the begining and at the end of each assay; survival and
 mortality rates (in percentage) were calculated for the remaining columns.
 * 3\. processed_survival_data.csv: includes the average survival rate (in
 percentage) calculated from raw data, for each concentration tested for
 each heavy metal compound. This data was used to then calculate de Lethal
 Dose 50 mentioned in the article. - 4\. bioaccumulation_data.csv: includes
 the metal concentration measurements of each sample. The first column
 describes the samples used. The naming of the samples was assigned using
 the following scheme- "S" refers to substrate, "L"
 refers to larvae; "As", "Hg", "Pb", and
 "Cd" refer to arsenic, mercury, lead and cadmium, respectively;
 "0", "0.5", "5", "30",
 "60" refer to the concentration level. The second column
 describes dry weight (d.w.) direct concentration measurements (in ppm).
 The final column refer to the wet weight (w.w.) concentration of each
 sample.