33 
Calendar of the Life History of the Hessian Fly. 
0. 
Date. 
Larvae. 
PUPARIA. 
Imagos. 
Eggs. 
Rejlarks. 
i 
March 
15. 
1886 
Edgewood. 
Marshal], 
Centralia. 
Centralia. 
2 
April 
t < 
l fc 
9. 
1884 
3 
4 
10. 
14. 
1883 
1883 
1883 
1883 
1883 
5 
l t 
23. 
1886 
From No. 1. 
7 
May 
i 1 
5. 
15. 
1883 
1886 
1886 
DuQuoin. 
Billett Station. 
8 
t ( 
17. 
1883 
1883 
Odin. 
9 
l l 
19. 
1884 
Albion. 
10 
t t 
21. 
1884 
Marshall. 
111 
( l 
24. 
1883 
Decatur. 
12 
l t 
25. 
1884 
1884 
Robinson. 
13 
i C 
26. 
1884 
1884 
Robinson. 
14 
t 4 
27. 
1884 
1884 
Mt. Carmel. 
15 
4 4 
28. 
1883 
Bred from No. 6. 
lb 
4 4 
28. 
1886 
Bred from No. 7. 
17 
4 k 
30. 
1884 
Carml. 
18 
4 4 
31. 
1884 
Eldorado 
19 
June 
2. 
1884 
1884 
Robinson. 
2(i 
4 4 
3. 
1883 
Macoupin county. 
West Union. 
21 
4 4 
3. 
1884 
22 
4 l 
3. 
1884 
Villa Rid^e, 
23 
4 4 
4 . 
1883 
Bred from No. 6, 
Anna. 
24 
4 4 
4 . 
1884 
25 
4 4 
6. 
1884 
DuQuoin. 
DuQuoin. 
Bred from No. 7. 
26 
4 4 
7. 
1884 
27 
4 . 
8. 
1886 
28 
4 4 
12. 
1883 
DuQuoin, 
Robinson, Young. 
29 
4 4 
14. 
1884 
1884 
30 
4 4 
15. 
1883 
Bred from No. 6. 
31 
4 4 
17. 
1886 
Edgewood. 
Bred from No. 7, 
32 
4 4 
17 
1886 
33 
4 4 
17. 
1884 
Robinson. 
34 
4 4 
17:::::: 
1884 
Bred from No. 22. 
35 
4 4 
18. 
1884 
1884 
Anna. 
3b 
4 4 
20. 
Robinson. 
31 
4 4 
20. 
1884 
Bred from No. 10. 
38 
4 4 
20. 
1884 
Bred from No. 22. 
39 
4 4 
22. 
1884 
Bred from No. 24. 
40 
4 4 
22. 
1884 
Bred from No. 21. 
41 
4 4 
24. 
1884 
1884 
Robinson. 
42 
4 4 
24. 
1884 
Anna. 
43 
25. 
1884 
Marshall. Contain livin°Tarvae. 
44 
4 4 
26. 
1883 
Warsaw. 
45 
4 4 
27. 
1884 
Robinson. 
4b 
4 4 
28. 
1884 
Bred from No. 41. 
47 
4 4 
28. 
1884 
Bred from So. 21. 
48 
4 4 
29. 
1883 
Godfrey. 
Jerseyville. 
Contain living larvae. 
49 
4 4 
30. 
1883 
50 
4 4 
30. 
1884 
51 
July 
1. 
1884 
Marshall. 
52 
4 i 
4. 
1883 
DuQuoin. 
Bred from No. 31. 
53 
4 4 
5. 
1886 
54 
4 4 
5. 
1884 
Marshall. 
55 
4 4 
7. 
1883 
Effingham. 
Contain living larvae. 
56 
4 4 
7. 
1884 
57 
4 4 
9. 
1883 
Villa Ridge. ~ . 
Anna. 
58 
4 4 
12. 
1884 
59 
4 4 
20. 
1883 
DuQuoin. 
DuQuoin. 
DuQuoin. 
Centralia. 
Edgewood. 
Billett Station. 
60 
A,, ? . 
5. 
1883 
61 
7. 
1883 
62 
63 
64 
Sept. 
6. 
1886 
1886 
1883 
1883 
4 4 
22. 
28. 
1886 
65 
Oct. 
2. 
1886 
From No. 63. 
66 
67 
68 
4 4 
12. 
1886 
1886 
1886 
1886 
Edgewood. 
Bred from No. 63. 
Robinson. 
4 4 
18. 
20. 
1884 
69 
4 4 
22. 
1886 
Bred from No. 63. 
70 
71 
72 
4 4 
Nov. 
4 4 
29. 
1886 
1886 
1886 
1886 
1886 
1886 
Bred from No. 63. 
Billett Station. 
Edgewood, 
Albion. 
2. 
16. 
73 
4 4 
23. 
1886 
1886 
74 
Dec. 
9. 
1883 
1883 
Anna. 
75 
4 4 
27. 
1883 
Albion. 
