Forensic “Pigology” (Time of Colonization?)

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1 Forensic “Pigology” (Time of Colonization?)
Education Transfer Plan IISME/Lockheed Martin Space Systems Gordon Sanford, July 2012

2 “Body Dump” Pig foot secured to ground with long nail and inverted planter cage for protection from local scavengers.

3 Pig foot with eggs oviposited (approximately 1 day old)

4 Fly Eggs at 40x magnification (approx 1 day old)

5 Maggot mass on/under skin of pig foot

6 Collected fly larvae (maggots) in Petri dish

7 Fly larvae (maggot), 3rd Instar stage

8 Spiracles slits, Peritreme complete, Third-instar Larvae

9 Spiracular slits directed to center, Peritreme incomplete

10 Spiracular slits not directed to the center…

11 Peritreme complete & thick, Spiracular slits directed towards the center, Third-instar Bottle Fly Larvae

12 Peritreme complete & thick, Spiracular slits directed towards the center, Third-instar Bottle Fly Larvae

13 Four stages of Puparium, (left to right) maggot hardening, day 1-2 pupa, days 3-5 pupa, day 7+ ready to hatch

14 Green Bottle Fly (freshly hatched, soft wings)

15 Flesh Fly Spiracules not directed to center, Peritreme incomplete

16 Secondary Screw Worm Fly

17 ???