Page 10 - Lyle and Louise Entomology Kit Climatological Data Analysis Tutorial
P. 10

Which day the adult insect laid eggs on




                                         the body: Species A





      Lab Procedure 2, Step 6a: Examine the species A life stages collected as evidence and identify the


      oldest species A life stage collection for the adult male.
                                                                                   Feeding 3           Migrating 3
                                                                                                                     rd
                                                                                              rd
          DAY degree   cumulative
             hours  degree
                                                                                   Instar              Instar
                    hours
                                                                                   50                  118
             386.66666
           1       7 7283.73333
                                                                                   1050                2478
           2      360 6897.06667
             306.66666
           3       7 6537.06667
           4      320   6230.4                                                     1050+1638 =         2478+1638 =
             466.66666
           5       7    5910.4
             493.33333                                                             2688                5166
           6       3 5443.73333
             466.66666
           7       7    4950.4
             386.66666                               On Day 11, the cumulative degree-hours were 3257.
           8       7 4483.73333
             453.33333
           9       3 4097.06667                      Species A takes 2688 degree-hours to complete
             386.66666
                                                     development in the Feeding  3  Instar and begin
           10      7 3643.73333
                                                                                                 rd
           11   367.2 3257.06667
                                                     development in the Migration stage of the 3  Instar.
                                                                                                                      rd
           12     252 2889.86667
                                                     The temperature data alone suggests that the eggs
           13   290.4 2637.86667
           14     360 2347.46667
                                                                                 th
             306.66666                               were laid on the 12 , but there was a storm then, so
           15      7 1987.46667
           16     320   1680.8
           17   309.6   1360.8                       we know that the eggs were laid before then since
           18   393.6   1051.2
                                                     flies are not active during thunderstorms.
           19   381.6   657.6
           20     276     276
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