78 The Connecticut Pomological Society 



destruction. Its organs are all small and undeveloped except 

 those it uses in its destructive work, and in the propagation 

 of the species, namely, its mouth and reproductive organs. 

 The mouth is abnormally developed. That is the organ with 

 which she sucks the life-blood not only from our orchard 

 trees, but from many of our shrubs and ornamental plants. 



Fig. 3.— San Jose scale; a. adult female, highly enlarged, ventral view 

 showing sucking tubes ; i, anal plate, still enlarged. (After Howard and Mar- 

 latt. Bulletin 3, new series, Div. Ent., U. S. Dept. Agr.) 



She inserts this lance-like beak, as seen in the illustration, into 

 the plant tissue, and with the aid of other organs covers her- 

 self with a covering of wax -like material made from a secre- 

 tion of the insect. She remains where she first inserts her 

 beak. In other words, after an insect of this character once 

 fastens itself to a tree or shrub it never moves from that 

 particular point. After it inserts its beak, then, by no possible 



