{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T09:28:35Z","timestamp":1780478915800,"version":"3.54.1"},"reference-count":53,"publisher":"Oxford University Press (OUP)","issue":"4","license":[{"start":{"date-parts":[[2025,6,20]],"date-time":"2025-06-20T00:00:00Z","timestamp":1750377600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Australian Government Research Training Program"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,7,17]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Insects are crucial in the estimation of time-since-death of remains due to their predictable growth. Pharmaceuticals present in decomposing remains may alter insect growth and could affect postmortem interval calculations. Here we report on an investigation into the effects of trimethoprim, on the growth of Calliphora stygia (Fabricius, 1781) (Diptera; Calliphoridae) larvae, a common species of blow fly in Australia. We asked: (i) does trimethoprim influence larval growth, and (ii) can trimethoprim be detected in C. stygia larvae reared on trimethoprim? We found a significant increase in larval length in the trimethoprim-exposed group relative to the control group as accumulated degree hours increased. By mid-late experiment (~3,000 accumulative degree hours), larvae exposed to trimethoprim measured significantly longer than the control larvae; 15 to 18\u2005mm (SD\u2005=\u20052.5\u2005mm), representing a 164% increase compared to the control, which measured 11 to 13\u2005mm (SD\u2005=\u20053.0\u2005mm). We also observed a significant effect of trimethoprim on larval instar development and larval mass, however the latter was accompanied by higher variability. Additionally, trimethoprim was detected in all larvae (analyzed via HPLC\u2013MS\/MS) reared on antibiotic-treated substrates, indicating choice of growth models can be important when using larval length to estimate postmortem interval. Our findings highlight the potential for trimethoprim to affect larval growth of C. stygia, and likely other blow flies. This has implications for interpreting growth models used in postmortem interval estimations, and the need to expand knowledge of entomotoxicology into forensic investigations where data on the effects of pharmaceuticals on local insect species remains limited.<\/jats:p>","DOI":"10.1093\/jme\/tjaf066","type":"journal-article","created":{"date-parts":[[2025,6,27]],"date-time":"2025-06-27T19:12:28Z","timestamp":1751051548000},"page":"782-788","source":"Crossref","is-referenced-by-count":1,"title":["Effect of trimethoprim on <i>Calliphora stygia<\/i> (Diptera: Calliphoridae) larvae growth and detection via liquid chromatography\u2013tandem mass spectrometry"],"prefix":"10.1093","volume":"62","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-1747-0839","authenticated-orcid":false,"given":"Donna B","family":"McIntyre","sequence":"first","affiliation":[{"name":"Future Regions Research Centre, Federation University , Mount Helen, VIC ,","place":["Australia"]},{"name":"Graduate Research School, Federation University , Mount Helen, VIC ,","place":["Australia"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kalyan","family":"Pantha","sequence":"additional","affiliation":[{"name":"Future Regions Research Centre, Federation University , Mount Helen, VIC ,","place":["Australia"]},{"name":"Graduate Research School, Federation University , Mount Helen, VIC ,","place":["Australia"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Philip S","family":"Barton","sequence":"additional","affiliation":[{"name":"School of Life and Environmental Sciences, Deakin University , Geelong, VIC ,","place":["Australia"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3248-8851","authenticated-orcid":false,"given":"Benjamin M","family":"Long","sequence":"additional","affiliation":[{"name":"Future Regions Research Centre, Federation University , Mount Helen, VIC ,","place":["Australia"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2025,6,20]]},"reference":[{"key":"2025071802415399300_CIT0001","volume-title":"Trimethoprim tablets USP 100 mg and 200 mg","author":"AA PHARMA","year":"2014"},{"key":"2025071802415399300_CIT0002","doi-asserted-by":"publisher","first-page":"326","DOI":"10.1007\/s13744-016-0375-0","article-title":"Postmortem attraction of sarcosaprophagous Diptera to tramadol-treated rats and morphometric aspects of the developed larvae","volume":"45","author":"AbouZied","year":"2016","journal-title":"Neotrop. 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