Estimating the age of immature Chrysomya albiceps (Diptera: Calliphoridae), correcting for temperature and geographical latitude

Richards, Cameron S; Paterson, Iain D; Villet, Martin H

Title: Estimating the age of immature Chrysomya albiceps (Diptera: Calliphoridae), correcting for temperature and geographical latitude
Creator: Richards, Cameron S
Creator: Paterson, Iain D
Creator: Villet, Martin H
Subject: To be catalogued
Date Issued: 2008
Date: 2008
Type: text
Type: article
Identifier: http://hdl.handle.net/10962/442129
Identifier: vital:73961
Identifier: https://doi.org/10.1007/s00414-007-0201-7
Description: Developmental curves for Chrysomya albiceps (Wiedemann) (Diptera: Calliphoridae) were established at 13 different constant temperatures using developmental landmarks and length as measures of age. The thermal summation constants (K) and developmental zeros (D 0) were calculated for five developmental landmarks using the method described by Ikemoto and Takai (Environ Entomol 29:671–682, 2000). Comparison with the K and D 0 values of our findings to those of three previously published studies of C. albiceps suggests that K is directly proportional to geographic latitude, and D 0 is inversely proportional to both K and geographic latitude. Body size and developmental landmarks have a complex relationship because of trade-offs between mortality risk and female fecundity (as measured by body size) at non-optimal temperatures. This relationship can be summarized using superimposed isomorphen and isomegalen diagrams, which can then be used to make forensic estimates of postmortem intervals from larval body lengths. Finally, we recommend that future studies providing data for precise forensic estimates of postmortem intervals should use a relative temporal precision of about 10% of the total duration being measured. For many blowflies, this translates into a sampling interval of approximately every 2 h before hatching, 3 h before first ecdysis and 6 h before second ecdysis.
Format: 9 pages
Format: pdf
Language: English
Relation: International journal of legal medicine
Relation: Richards, C.S., Paterson, I.D. and Villet, M.H., 2008. Estimating the age of immature Chrysomya albiceps (Diptera: Calliphoridae), correcting for temperature and geographical latitude. International journal of legal medicine, 122, pp.271-279
Relation: International journal of legal medicine volume 122 number 1 271 279 2008 1437-1596
Rights: Publisher
Rights: Use of this resource is governed by the terms and conditions of the Springer Terms of Use Statement ( https://link.springer.com/termsandconditions)

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Paterson, Iain D (Associate Professor)

Villet, Martin Herrer (Prof)

SDG 15. Life On Land

RU Department of Zoology and Entomology

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