186 



THE CANADIAN ENTOMOLOGIST. 



PUPAL INSTAR OF ARCHIPS ARGYROSPILA. 



Number of 

 Specimens 



1 

 4 

 2 

 1 

 1 

 1 

 1 

 5 

 3 

 2 

 1 

 2 

 3 

 3 

 4 

 6 

 .5 

 4 

 4 

 4 

 4 

 2 

 3 

 2 

 3 

 8 

 9 

 2 

 2 

 1 

 8 

 9 

 2 

 1 

 1 

 4 

 (i 

 3 

 1 

 2 

 4 

 .5 

 1 

 1 

 2 

 6 

 3 

 1 

 1 

 1 

 4 

 7 

 2 

 1 

 1 

 3 



Date of 

 Pupation 



June 



10 

 10 

 10 

 10 

 11 

 11 

 11 

 11 

 11 

 11 

 12 

 12 

 13 

 13 

 13 

 13 

 13 

 13 

 14 

 14 

 14 

 14 

 14 

 14 

 1.5 

 15 

 1.5 

 15 

 16 

 16 

 16 

 16 

 16 

 16 

 17 

 17 

 17 

 17 

 IS 

 IS 

 IS 

 IS 

 IS 

 19 

 19 

 19 

 19 

 19 

 20 

 20 

 20 

 20 

 20 

 20 

 21 

 21 

 21 

 21 

 21 



Total 

 Pupae. 



Date of Adult 

 Emergence 



June 20 

 23 

 24 

 25 

 20 

 21 

 23 

 24 

 25 

 26 

 23 

 26 

 23 

 24 

 25 

 26 

 27 

 28 

 24 

 26 

 27 

 28 

 29 

 30 

 26 

 27 

 28 

 29 

 26 

 27 

 28 

 29 

 30 



July 1 



June 28 



•' 29 



• 30 



July 1 



June 27 

  29 

 •• 30 



July 1 



•• 2 



June 29 



" 30 



July 1 



2 



•■ 3 



June 30 



July 1 



July 2 

 3 

 4 

 5 

 2 

 3 

 4 

 5 

 6 

 4 

 5 

 6 

 3 

 .5 

 6 

 7 

 8 

 .5 

 6 

 7 

 8 



Length of 

 Instar 



10 davs 

 13 

 14 

 15 



9 

 10 

 12 

 13 

 14 

 15 

 11 

 14 

 10 

 11 

 12 

 13 

 14 

 15 

 10 

 12 

 13 

 14 

 15 

 16 

 11 

 12 

 13 

 14 

 10 

 11 

 12 

 13 

 14 

 15 

 11 

 12 

 13 

 14 



9 

 11 

 12 

 13 

 14 

 10 

 11 

 12 

 13 

 14 

 10 

 11 

 12 

 13 

 14 

 15 

 11 

 12 

 13 

 14 

 15 

 12 

 13 

 14 

 10 

 12 

 13 

 14 

 15 

 11 

 12 

 13 

 14 



Total 

 Days 



10 

 52 

 26 

 15 

 9 

 10 

 12 

 65 

 42 

 30 

 11 

 28 

 50 

 33 

 4S 

 78 

 70 

 60 

 40 

 48 

 52 

 2S 

 45 

 32 

 33 

 96 



117 

 2n 

 20 

 11 

 96 



117 

 2S 

 15 

 11 

 48 

 78 

 42 

 9 

 22 

 4S 

 65 

 14 

 10 

 22 

 72 

 39 

 14 

 10 

 11 

 48 

 91 

 28 

 15 

 11 

 36 

 65 

 28 

 15 

 60 

 65 

 14 

 10 



120 



117 

 14 

 30 

 11 

 36 

 65 

 14 



2S6:. 



Average Length of Pupal Instar, 12.6 days. 



