The Lace Wing Fly 
45 
in its background of bracken and dead 
leaves, or the grouse moving amidst the 
heather, so while in the evening time the 
lace wing may be seen flying, it is not so 
easy at first sight to discover it in the 
daytime, as it attaches itself most frequently 
to the back of green leaves, where the 
green of its own body and the thin filmy 
transparency of its wings render it difficult 
of discovery. 
Friends, not Enemies. — The grubs of 
this fly resemble somewhat lengthy maggots, 
the tails of which are blunt, and it is with 
this maggot that we are most concerned 
when we speak of the great use of the 
lace wing. It is the progeny of this fly 
that is so helpful to the gardener. It 
has an insatiable appetite, and its food 
consists of blight flies, and from the 
onslaughts which it makes upon aphides 
the grub has earned for itself the popular 
name of “ the Aphis Lion,” and herein lies 
the great advantage of educating every 
gardener in the rudiments of entomology, 
as well as horticulture. I came across a 
provincial paper recently with an article 
by a “ horticultural specialist,” giving an 
