Maskell. — On Psyllidae in New Zealand. ]G9 



INDEX TO PLATES X.-XII. 



[All the figures are greatly magnified.] 



Plate X. 



Fig. 1. Diagram of forcwing of genus Psylla : ab, primary stalk of veins; 



be, stalk of cubitus ; bd, stalk of subcosta ; df, radius ; an, ck, 



ch, cc, branches of cubitus ; dg, secondary branch of subcosta; 



agek, costal and marginal vein ; an, clavus. 



Fig. 2. Diagram of forewing of genus Trioza : Letters as in fig. 1 ; the 



stalk be is absent. 

 Fig. 3. Rhinocola eucalypti, adult female, dorsal view. 



„ fore- and hind-wings ; letters as in fig. 1 ; 



ss, stigma. 

 „ antenna of adult. 



„ foot of adult. 



„ genitalia of female, side view. 



„ genitalia of male, side view. 



„ pupa, dorsal view. 



„ antenna of pupa. 



„ foot of pupa. 



„ spinnerets of pupa. 



„ abdominal spines of pupa. 



„ larva, dorsal view. 



„ antenna of larva. 



„ anal ring of pupa and larva. 



Plate XL 



Trioza pellucida, adult female, dorsal view. 



fore- and hind-wings ; letters as in Plate X., 

 fig. 2. 

 „ markings in areas of forewing. 



„ head, dorsal view. 



„ antenna of adult. 



„ foot of adult. 



„ rostrum and setse of adult. 



„ genitalia of female, side view. 



„ genitalia of male, side view. 



„ pupa, dorsal view. 



„ antenna of pupa. 



„ foot of pupa. 



„ anal ring of pupa. 



„ fringe of pupa. 



„ larva, dorsal view. 



Fig. 10. „ antenna of larva. 



Plate XII. 



1. Trioza panactK, adult male, side view. 



head of adult, dorsal view. 

 „ forewing ; bd, stalk of subcosta. 



genitalia of female, side view, 

 genitalia of male, side view, 

 antenna of adult, 

 pupa, dorsal view, 

 antenna of pupa, 

 fringe of pupa, 

 anal ring of pupa, 

 larva, dorsal view. 

 pores and setifi of larva. 



