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Carrion fly (Diptera: Calliphoridae) larval colonization of sunlit and shaded pig carcasses in West Virginia, USA  James E. Joy, Nicole L. Liette, Heather.

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Presentation on theme: "Carrion fly (Diptera: Calliphoridae) larval colonization of sunlit and shaded pig carcasses in West Virginia, USA  James E. Joy, Nicole L. Liette, Heather."— Presentation transcript:

1 Carrion fly (Diptera: Calliphoridae) larval colonization of sunlit and shaded pig carcasses in West Virginia, USA  James E. Joy, Nicole L. Liette, Heather L. Harrah  Forensic Science International  Volume 164, Issue 2, Pages (December 2006) DOI: /j.forsciint Copyright © 2006 Elsevier Ireland Ltd Terms and Conditions

2 Figs. 1–4 Ambient (♦) vs. maggot mass (■) temperatures (°C) recorded at experimental carcasses in 2003 and Amb Y03 and Amb D03 represent ambient temperatures at sunlit and shaded carcasses in 2003, respectively. Amb Y04 and Amb D04 are ambient temperatures at sunlit and shaded carcasses in MM denotes maggot mass temperatures for those respective experimental periods. An X-bar indicates mean temperatures for all ambient or maggot mass points in an experimental period. Forensic Science International  , DOI: ( /j.forsciint ) Copyright © 2006 Elsevier Ireland Ltd Terms and Conditions

3 Figs. 5–8 Linear regressions for maggot mass temperature (°C, y-axis) as a function of ambient temperature (°C, x-axis): Y03, sunlit 2003; Y04, sunlit 2004; D03, shaded 2003; D04, shaded 2004. Forensic Science International  , DOI: ( /j.forsciint ) Copyright © 2006 Elsevier Ireland Ltd Terms and Conditions

4 Fig. 9 Decomposition stages for the sunlit pig carcass (A–E) are matched with comparable stages for the shaded pig carcass (F–J) at selected observation periods in 2004. Forensic Science International  , DOI: ( /j.forsciint ) Copyright © 2006 Elsevier Ireland Ltd Terms and Conditions

5 Fig. 10 Decomposition stages for the sunlit pig carcass (A and B) are matched with comparable stages for the shaded pig carcass (C and D) at selected observation periods in 2003. Forensic Science International  , DOI: ( /j.forsciint ) Copyright © 2006 Elsevier Ireland Ltd Terms and Conditions

6 Fig. 11 Third instar lengths on the 2003 sunlit carcass by hour of collection. Open circles, mean P. coeruleiviridis lengths; open squares, mean Phormia regina lengths. Vertical lines, 95% confidence limits. Numbers above and below vertical lines represent number of P. coeruleiviridis and Phormia regina third instars, respectively, in collection samples used to calculate means and 95% confidence limits. Where there are no numbers above or below c.l. lines, the third instar sample size was 20. Dashed line indicates that no P. coeruleiviridis third instars were in the 144h sampling period. Numbers on the y-axis are instar lengths; numbers along the x-axis refer to hours of collection samples. Time-line bar below collection hours indicates 7 PM sample (stippled) and 7 AM sample (cross-hatched). There was no precipitation between 84 and 228h. Forensic Science International  , DOI: ( /j.forsciint ) Copyright © 2006 Elsevier Ireland Ltd Terms and Conditions

7 Fig. 12 Third instar lengths on the 2003 shaded carcass by hour of collection. Designations for means, confidence limits, numbers of instars in samples by species, collection hours and time line bar are the same as in Fig. 11. Dashed lines indicate hours when no P. coeruleiviridis third instars were present in collections. Forensic Science International  , DOI: ( /j.forsciint ) Copyright © 2006 Elsevier Ireland Ltd Terms and Conditions

8 Fig. 13 Third instar lengths on the 2004 sunlit carcass by hour of collection. Designations for means, confidence limits, numbers of instars in samples by species, and collection hours are the same as in Fig. 11. Dashed line from 60 to 96h indicates hours when no Phormia regina third instars were in collection samples. Other dashed lines indicate sample hours when there were no P. coeruleiviridis. Time line bar below collection hours indicates collections at 1 PM (open portion of bar); 7 PM (stippled portion); 1 AM (black portion); 7 AM (cross-hatched portion). Numbers below time line bar indicate periods of precipitation as: 2, 4 and 3mm of rainfall, respectively. Forensic Science International  , DOI: ( /j.forsciint ) Copyright © 2006 Elsevier Ireland Ltd Terms and Conditions

9 Fig. 14 Third instar lengths on the 2004 shaded carcass by hour of collection. Designations for means, confidence limits, numbers of instars in samples by species, and collection hours are the same as in Fig. 11. There were no Phormia regina third instars in the 78h sample. Dashed lines beyond 102h indicate sample hours where there were no P. coeruleiviridis. Time line bar below collection hours same as in Fig. 13. Forensic Science International  , DOI: ( /j.forsciint ) Copyright © 2006 Elsevier Ireland Ltd Terms and Conditions


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