294 NEW YORK STATE MUSEUM 



Plate XIII. 



Fig. I — The San Jos6 scales, in natural size on an apple branch ; scales 



somewhat enlarged on apple bark at above on the left. 

 Fig. 2. — San Jose scales on a pear showing the surrounding ring; the 

 female scale, enlarged. 



Plate XIV. 



Fig. I — Enlarged view of the young larva of the San Jose scale insect, 

 seen from beneath, with a greater enlargement of an antenna 

 at l>. 



Fig. 2. — An enlarged view of an adult female of the San Jose scale- 

 insect, containing young; at d, a still greater enlargement of 

 a portion of its anal fringe. 



Fig. 3 — A greatly enlarged view of the adult male of the San Josescale- 

 insect; its natural size shown in the inclosed crossed-lines at 

 right-hand side. 

 (The figures of this Plate and the preceding one are from the 

 U. S. Dept. Agriculture — Division of Entomology.) 



Plate XV. 

 Thrips tabaci. 



Onion Thrips. 



Fig. I. — Female very greatly enlarged. 



Fig. la. — Terminal segments of antenna of do., more enlarged. 

 Fig. 2. — Lateral aspect of head and prothorax of do., more enlarged. 

 Fig. 3. — Lateral aspect of terminal segments of abdomen of do., more 

 enlarged. 



Plate XVI. 



Fig. I. — Gamasus longipalpoides, greatly enlarged. 



Fig. la. — Chelate claw of second foot of same, more enlarged. 



Fig. 2. — Tyroglyphus hetero7norphus., male, greatly enlarged. 



Fig. 3. — Anterior tarsus of same, more enlarged. 



Fig. 4. — Third tarsus of same, more enlarged. 



Fig. 5. — Tyroglyphus heteromorphus, female, greatly enlarged. 



Fig. 6. — Third tarsus of same, more enlarged. 



Fig. 7.— Smaller Hypopus of T. heteromorphus, very greatly enlarged. 



Fig. 8. — Anterior tarsus of same more enlarged. 



Fig. 9. — Larger Hypopus of T. heteromorphus, greatly enlarged. 



Fig. 10. — Distal segments of anterior leg of same, more enlarged. 



