INJURIOUS INSECTS. 
21 
THE IMPORTED CURRANT BORER. 
{Sesia tipuliformis Linn.) 
This insect was imported from Europe and has 
spread rapidly to nearly all parts of this country 
where the common red and white currants are 
grown. 
I have never before seen this insect as abund¬ 
ant as it was in the vicinity of Fort Collins last 
summer. The mature insect is a peculiar clear¬ 
winged moth much resembling a wasp in general 
appearance. The moths were very abundant about 
the bushes in the middle of the days from the 12th 
of June to the 5th of July, during which time the eggs 
were deposited. The moths are very quick flyers 
but are quite easily caught, especially towards the 
cool of the day, as they rest on the leaves. The 
body of the insect is about one # -half of an inch in 
length and the wings span about three-fourths of 
an inch from tip to tip. The body is black with a 
steel-blue lustre and with a large tuft of long scales 
at the tip of the abdomen. Three narrow, br ight- 
yellow bands cross the abdomen above, and a 
similar band surrounds the neck and broadens out 
