( 58 Bulletin N0. 133.  V
I being drained of their vitality also, though the effect was not so  
noticeable, owing to the insects being more widely dispersed among  
the foliage.  L
. By May 3, this species is commonly very abundant on a variety  
i _ of low-growing plants, such as red clover, alfalfa, white sweet clover,  
i and cowpeas. In midsummer it becomes less common, but appears { 
again upon clover and alfalfa in the fall months `when at times  
it is very common and remains so until the middle of September, __
after which the numbers gradually decrease, my records showing  ji
adults abroad as late as January 1. It is uncertain as to whether  Z
( the insect passes the winter as an egg or as an adult. With the 1
first growth of vegetation in spring adults reappear, but the develop-  .`
I ment is very rapid, at least in June, and it may prove that some  
V individuals very favorably situatedas to warmth and foodhave  [
by May 3 completed their growth from eggs laid the preceding fall.  
The adult is slender and cylindrical in general shape, the head  ‘
closely fitted against the next division, the front rounded, the re- Y 
latively large eyes in contact with the thorax. Strongly convex “
above, the wings thin and uniform in texture, folded close about —*
the body, so as to conceal it from above and extending some dis- .
· tance beyond its tip. Legs slender, the hindmost larger and suited  
to leaping. Antennae inconspicuous, slender, tapering, about as
long as head and thorax. Color pale green, the head between the _
I eyes above with lines and dots of white. First division of the thorax
i with an arched series of six or eight white dots close along its ’
anterior margin. The next division with two parallel white lines Y
connected by a median cross line, the whole resembling a capital
i H. Wings unmarked, but the hind wings highly iridescent.
Length to tips of folded wings, 0.12 inch (3 mm.), diameter, ·
0.03 inch (0.75 mm.), (_
The best treatment for this insect in the nursery is spraying .
with a dilute coal oil emulsion. There need be no great difficulty
in controlling it there if the spraying is begun soon enough. The `
insects scatter after June, probably resorting to a variety of more ,
succulent, low-growing plants, for they appear to attack by pre- Q "
ference only the young leaves. This explains, I suppose, why they
are found late in the fall on the last growth of alfalfa and again
V in spring on the first growth. In collecting specimens for study, {
l
i