568 ^Ir. Joliu iWott's Munogvaph of the 



Species 9. Trioza muncla. 



Trioza mnnda, Forst. Vcrli. Ver. llhcinl. v. 88, 22; 

 Flor, Khyn. Livl. ii. 515, 11. 



Green or ycllowlsli. Mesonotum brown. Antcnncc : 

 1st and three terminal joints brown. Abdomen yellow- 

 green. J^egs yellow. Face : lobes someAvliat long and 

 moderately pointed. Ehjtra clear, transjmrent, radius 

 reaching the costal margin at some distance from the apex. 



One $ received from jNIr. Walker and another from 

 Mr. Haliday. 



Flor says he meets with this species commonly in July 

 and August on Urtica. 



Species 10. Trioza ahlctlcola. 



Trioza ahletlcola, Forst. Verb. Ver. llhcinl. v. 88, 21 ; 

 Flor, Khyn. Livl. ii. 496, 2 ; Trioza arijijrea, jNIeyer, 

 Mitth. scliAv. ent. Ges. iii. 390. 



Sordid yellow. Mesonotum with confluent brown 

 streaks, ^ic^omeyi with brown bands. Anteniicc jcWow -, 

 9 — 10 joints brown. Face: lobes somewhat short and 

 stout, moderately pointed. Elytra clear, transparent; 

 2nd forked cell very small, radius very near to the costal 

 margin posteriorly, terminating near the apex ; costal 

 margin near the base with a black-brown streak, whereby 

 this species may be easily recognized from 2\ curvati- 

 nervis. 



A 9 sent by Walker as Psylla Abietis ; but as there was 

 already a species bearing that name, Forster described it 

 under the one now given. Flor takes it not uncommonly 

 on the spindle tvce {Fuoni/yjius curopcuus), and also on the 

 spruce fir {^Pinus abies), in INIay and August. 



CORRIGENDA. 



Page 543, Species 14. Psylla riridiimima, add name and description to 

 that of P. Mali, of which it is only a form. 



Note. 



Psylla fumipennis, Forst., sp. 11, p. 92 of the Catalogue of British 

 Hcmiptcra, has been altered in tliis ilonograph to P. Liiwii, n. sp., the 

 former being synonymous with P. Pi'uni, Forst., and the one described 

 at p. 541 being new to science. 



