Insects in Great Britain . 
645 
TABLE LI. 
Percentages of different groups of insects visiting Class A in different seasons. 
Apis. 
Bomb. 
1 
Phyt. 
Entom. 
Ants. 
& 
^4 
s 
§ 
$ 
s 
Lep. s. 
Dm. 
<4 
N>' 
Etc. 
Spring 
_ 
— 
_ 
4.54 
_ 
_ 
I- 5 1 
— 
1. 51 
89.39 
_ 
3-®3 
Summer 
• r 5 
.60 
•15 
15-94 
•45 
.90 
•52 
4 - 9 1 
6.50 
54*72 
IO- 65 ' 
4’45 
Autumn 
•35 
— 
23.90 
__ 
•17 
1.40 
.17 
67.83 
I.58 
4-56 
TABLE LII. 
Desirability of the visitors to flowers of Class A, according to colour, in percentages. 
Yellow. 
White. 
Green. 
Decidedly desirable 
Desirable .... 
Indifferent . . . 
Injurious .... 
1-26 
5-°3 
66*76 
26-95 
2-03 
12-91 
68-6i 
16.45 
*94 
2.24 
75.68 
21.13 
TABLE LIII. 
Percentages of different groups of insects visiting flowers of different colours in Class A. 
Apis. 
Bomb. 
1 
Phyt. 
Entom. 
Ants. 
Wasps. 
Lep. 1 . 
Lep. m. 
Lep. s. 
Dm. 
<0 
Yellow 
— 
1. 11 
•13 
26.25 
•83 
•13 
•55 
9.07 
4-32 
52-52 
4-32 
.69 
White. 
•50 
50 
•25 
3-44 
— 
I-OI 
•75 
— 
11-89 
47-34 
21*26 
12-91 
Green . 
— 
— 
— 
1 7*47 
— 
•94 
1.06 
— 
1. 18 
7 i -54 
4i3 
365 
Hymenoptera ; among the Diptera, in Syrphidae, of one species of Eristalis, 
of Sericomyia, of Chilosia, and of Chrysogaster, of three species of Syrphus, 
and one of each of the following : Platychirus, Syritta, Sphaerophoria, and 
Ascia ; in Empidae, of eight species of Empis, and of the same number of 
short-tongued Empids ; in Tachinidae, only of Echinomyia and Gymno- 
chaeta viridis, and not of Siphona ; in Muscidae, of three species of Calli- 
phora and one each of Lucilia, Mesembryna, and Pollenia ; in Sarcophagidae, 
of two species of Cynomyia and one Sarcophaga ; in Anthomyiidae, of 
twenty-seven species, including Drymia hamata; in Tipulidae, of two species; 
in Bibionidae, of four ; in Cordyluridae, of two species of Scatophaga ; and 
of thirty-two species of the smaller flies, including almost all the Doli- 
chopids observed ; among Coleoptera, of twenty species ; among Hemiptera, 
of five species; among Neuroptera, of two; among Thysanoptera, of one ; 
among Collembola, of one ; in Acarina, of one ; and in Araneida, of two. 
