404 Forty-sixth Report on the State Museum [64] 



FAMILY PSYLLIDiE. 



PSYLLA. Geof. 



'^Three-dotted Psylla, *P. tripunctata. Wax-yellow, dorsum 

 black; legs and antennse pale yellow, the latter black at the 

 tips; elytra hyaline, nerves brown, beyond the furcation 

 widely margined with smoky-fulvous, a blackish dot on the 

 middle of the terminal margin of each of the inner apical 

 cells. Length 0-16. No. 830, female. 



Four-lined Pyslla, *P. quadrilineata. Bright fulvous; elytra 

 hyaline, nerves blackish; four whitish longitudinal lines on 

 the middle of the metathorax; abdomen black with a yellow 

 band at its base. Length, 0-12. No. 831, female. 



Hornbeam Psylla, "^P. carpini. Light-green or greenish yellow; 

 elytra hyaline, nerves light-green. Length, 0*16. Common 

 on the hornbeam, in July. No. 832, male; 833, female. 



" Annqlated Psylla, ^P. annidata. Straw yellow; legs white; 

 elytra hyaline, nerves straw yellow; antennae black, basal 

 half straw-yellow annulated with black. Length, 0" 15. Occurs 

 on the sugar-maple. No. 834, male; 835, female. 



LIVIA. Lat. 



Vernal Livia, *X. vernalis. Bright ferruginous; pectus and tips of 

 antennae black; legs ferruginous-pallid. Length, 0-15. Found 

 in spring in vessels of sap of the sugar-maple. Na 836, male; 

 837, female. 



Black-legged Livia, *X. femoralis. Bright ferruginous; pectus, 

 four forward femurs and tips of the antennae black. Perhaps 

 not distinct from the preceding. Length, 0*15. Taken on a 

 pine tree, in July. No. 838, female. 



