Page 7 - Natures Witness Entomology
P. 7
Teaching
Timeline
GROUNDWORK
Before conducting this laboratory exercise, the DAY 3
details of The Investigation should be shared
with the class to provide the context of the crime. Introduce the larvae collections from the
Covering this material once should be sufficient for decedents.
all laboratory modules.
Prepare the board so that students may
record their findings to share with the class.
A chart similar to the one on their data
DAY 1 collection sheet is recommended.
Cover the background material on forensic Instruct students to follow the lab procedure
entomology. Cover the Fly Life Stages sheet for processing the larvae collections.
with students.
Ensure that students record all of their data
Distribute lab procedures. onto the data collection sheet.
Assign pre-lab questions as homework.
DAY 4
DAY 2
The weather data can be downloaded from
Prepare lab with dissection microscopes or the website, www.LyleAndLouise.com, under
hand lenses. Supplemental Materials on the Forensic
Entomology page. In a computer lab, analyze
Instruct students to follow the lab procedure the data using a spreadsheet program
for identifying key characters to separate by following the instructions in the lab
individual larvae by species and life stage. procedure. Alternately, this can be assigned as
Ensure that students produce good notes on homework for students with outside access to
their characters. computers.
THE MYSTERY OF LYLE AND LOUISE 7
