6 14 Willis and Bur kill. — Flowers and 
Class B is found to attract rather more than its share of distinctly 
desirable insects (15 : 10) and more of the desirable insects (17 : 7). To the 
distinctly desirable insects the Class proves relatively far less attractive 
than Class H ( vide Table XXI in Part III) but relatively more attractive 
than Class B' (vide Table XI in Part II). 
TABLE XXXV. 
Insects visiting Class B in different seasons classed by Desirability. 
Spring. 
Summer. 
Autumn. 
Decidedly desirable 
11 
7*63 
174 
16-08 
27 
i 3 - 3 o 
Desirable .... 
5 
3-47 
236 
21-81 
5 
2.4 1 
Indifferent . . 
127 
88-19 
623 
57-58 
160 
78-81 
Injurious .... 
1 
.69 
49 
4-53 
11 
5-41 
Total .... 
!44 
1082 
203 
TABLE XXXVI. 
Percentages of different groups of insects visiting Class B. in different seasons. 
Apis. 
Bomb. 
ffm. 
Fhyt. 
Eniom. 
Ants. 
Wasps. 
Lep. 1 . 
Lep . in. 
Lep. s. 
Dm. 
Ds. 
Col. 
Etc. 
Spring . 
4-16 
2.77 
_ 
_ 
_ 
-69 
_ 
_ 
3-47 
84-02 
4-16 
.69 
Summer 
3-51 
3-60 
.64 
3.60 
•73 
8-96 
-92 
•36 
20-24 
45.28 
11-18 
.92 
Autumn 
12-31 
2.95 
•49 
— 
— 
2-46 
2 2- 16 
56-65 
2-46 
TABLE XXXVII. 
Desirability of visitors to Flowers of Class B according to colour in percentages. 
Blue-lilac. 
Rose- 
purple. 
Yellow. 
White. 
Green. 
Decidedly desirable 
10-17 
19.86 
3 - 4 i 
8-45 
42-86 
Desirable. . . . 
20-10 
29*43 
1. 14 
23-00 
— 
Indifferent . . . 
61-02 
48-19 
95-45 
65-26 
57 * 12 
Injurious .... 
8.71 
2-50 
3-28 
Total no. of insects 
413 
720 
176 
213 
7 • 
TABLE XXXVIII. 
Percentages of different groups of insects visiting flowers of different colours in Class B. 
A pis. 
Bomb. 
1 
Phyt. 
Entom. 
Ants. 
Wasps. 
* 
S 
§ 
v 1 
S 
Lep. s. 
Dm. 
4 
3 
$ 
Blue-lilac . . 
— 
2-18 
•97 
7.76 
_ 
8-oo 

.72 
18.83 
54-36 
6-o6 
•97 
Rose -purple . 
4.66 
8-53 
•32 
J *44 
1. 11 
9.82 
.64 
i 5 ' 61 
49* 9 1 
4-83 
1-28 
Yellow . . . 
•63 
1-76 
— 
— 
1-14 
— 
1-14 
2-84 
92-61 
— 
White .... 
6-57 
.46 
.46 
I-40 
.46 
1-40 
2 - 8 i 
•46 
I 9 , 7 1 
55*18 
9-38 
1.87 
Green .... 
— 
42-85 
— 
_ 
— 
- 
— 
— 
— 
57 ' I 4 
— 
