8 
GENERAL INDEX. 
Probably confused with the Apple Saw- 
fly ( Hoplocampa testudinea), 1897, 
1-3; difference between, and H. 
testudinea, 2-4 ; prevention and re¬ 
medy, 5, 6 
Carrot (see Plant index) 
Carrot Aphis, or Green Fly (see Aphis 
carotce) 
Carrot Fly (see Psila rosce ) 
Carrot and Parsnip Fly (see Psila rosce) 
Cart-grease, usual composition of, 1889, 
59 (see also Sticky-banding) 
Caterpillars, Leafage and Surface (see 
Agrotis exclamationis, A. segetum, 
Mamestra brassicce, and Tryphcena 
pronub a) 
Cauliflower (see Plant index) 
Cauliflower disease of Strawberry (see 
Aphelenchus fragarice) 
Cecidomyia (? sp.), 1889, 12-14 
Cecidomyia sp. of the Hop, 1891, 53-57; 
1892, 74-76 
Habits and method of attack, 1891, 
53-56 ; prevention and remedies, 56 
Localities of attacks of, 1892, 75; 
method of prevention for, 76 
Cecidomyia albilabris, infesting cones 
of Spruce, 1882, 89 
Cecidomyia brassicce, 1896, 148-152; 
1897, 126-129 ; 1898, 130-133 
Injury to Turnip seed by larva of, 
1896, 148; description of, 151; 
life-history of, 151 
Method of infestation, 1897, 126; 
differing from Ceutorhynchus as- 
similis, 126 
Distinction between, and Turnip-seed 
Weevil ( Ceutorhynchus assimilis), 
1898, 130; serious result of infes¬ 
tation of; prevention and remedies, 
132, 133 
Cecidomyia ( Tipula ) cerealis, 1885, 28, 29 
Cecidomyia destructor, 1886, 10-26, 101- 
105 ; 1887, 12-54, 128, 129 ; 1888, 
i, 48-54; 1889, v, 26-30; 1890, 
32-39; 1891,21-24; 1892,61-63; 
1893, 19-22 ; 1894, 33-36 ; 1898,33 
First appearance of, 1886, i; appear¬ 
ance of, in Britain, 10, 11; charac¬ 
teristics of infested crop, 12, 13 ; 
amount of injury caused by, 12 ; 
general account of, 10-26; descrip¬ 
tion of various stages, and specific 
characters of, 14-18; life-history 
of, 19 ; rate of spread of, 104, 105 ; 
where does Hessian Fly come from ?, 
19, 20; methods of prevention, 
20-23; flax-seeds (puparia) in fine 
siftings, 20, 101; in shag or light 
grain, 105; dressings to destroy 
or prevent attack of maggot, 24; 
bibliographical references, 25, 26 ; 
agricultural measures to counteract, 
24, 25 
General account of, 1887, 12-54; life- 
history of, 13; technical descrip¬ 
tion of, 15, 16; appearances in 
captivity, 17; first appearances in 
1887 on Barley, 18 ; appearances of, 
in England during July and August, 
20-28; appearances of, in Scotland 
during July and August, 28-33; 
observations regarding, in south¬ 
east of Scotland, 33 ; not observed 
in extreme north of Scotland, 35 ; 
maggots reared from eggs, 35 ; 
appearances of, from chrysalids of, 
36; parasites of, 36-38; not ob¬ 
served in Oats, App., 39 ; non-pres¬ 
ence of Flax seeds in imported 
straw, 44,45; methods of prevention 
of, 45-48 ; method of firing infested 
stubble, 47; late sowing as a pre¬ 
ventive, 48; area of infested districts 
(1886), 50-53; maps of infested 
districts, 52, 53 ; result of searching 
Bussian straw for, 128, 129 
Attack less prevalent than in 1887, 
1888, 48 ; general account of, 48-53 ; 
best time for sowing, to prevent, 50 ; 
on Couch and Timothy-grass in 
Russia, 51; general remedies for, 
51, 52 
Reported from nine localities, 1889, v ; 
report on attack, 26-30 
Reports on, from various localities, 
1890, 32-36; estimates of injury 
from, 36; importance of destroying 
infested screenings, 37, 38; winter 
attack not reported, 38; description 
of appearance of, 39 
Severe form of attack of, in Airaines, 
France, 1891, 23 
Importance of destroying infested 
screenings, 1892, 62 ; objections to 
plan of saving Flax seeds to obtain 
parasitic fly from, 62 
Few reports of appearance of, 1893,19; 
appearance of, in Norway, 21, 22 
Not more than three reports of pre¬ 
sence of (in 1894), 1894, 34 
Mentioned, 1898, 33 
Cecidomyia ( Diplosis ) equestris injuring 
Barley, 1889, 80, 81 
Cecidomyia leguminicola, American spe¬ 
cies, 1889, 13; 1890, 23-27, 135; 
1891, 168 
Mentioned, 1889, 13 
Infesting clover heads, 1890, 23-25; 
prevention and remedies for, 26 ; 
how to recognise, in infested seed, 26 
Figure only, 1891, 168 
Cecidomyia nigra (see Diplosis pyrivora) 
Notes on habits of, 1883, 53 ; sheep to 
destroy infested fruit, 54 
Cecidomyia pyricola (see Diplosis pyri¬ 
vora) 
Cecidomyia trifolii infesting leaves of 
Clover, 1889, 13; mentioned, 1898, 
18, 21, 25 
Cecidomyia tritici, 1877, 12 ; 1878, 4,15, 
16;’1879, 21, 22; 1880, 31; 1881, 
