536 Mr. Joliii SoutL's Munograjih of the 



Species G. Pst/lla pi/ri. 



Chermes Pi/ri, Lin. F. S. 202, 1004; S. X. ii. 737, 4; 

 Fab. E. S. iv. 221, 3; S. K. 303, 3; De Geer, 

 Mem. iii. 91, 2, t. 9, fig-. 1—16 ; Psi/lln Pi/ri, Curt. 

 B. E. xii. 5Q5, 5 ; Forst. Verli. Xev. Klieinl. v. 77, 

 24 ; Flor, Klivn. Livl. ii. 463, 5 ; Psijlla ayioyhilu, 

 Forst. Verh. Ycr. lihcinl. v. 78, 26. 



Dusky red or reddish-yellow, with dark brown streaks 

 on the mesonotum. Face: lobes about as long as the 

 crown down the centre, exterior and interior margins 

 ta})ering towards the narrow a])ex, Avhere the divergence 

 from each other is about equal to the base of" either of them. 

 Antenna yellow; 1st joint frequently dusky red; 3 — 5 

 black at the apex, 6 — 10 dark brown or black. Eli/tra 

 clear, transpai-cnt ; nerves fine, dark brown or black, 

 spaces enclosed between them more or le?s distinctly stained 

 with fuscous ; costal marginal nerve and stigma yellow or 

 pale red, the latter wide and long. 



Head dusky red. Croicn : yjostcrlor margin slightly 

 but distinctly concaA'c; foveas dark brown; margins of 

 the central channel more or less yellowish-white. Face: 

 lobes dusky or reddish-yellow, with the apex sometimes pale, 

 about as long as the crown down the centre, base some- 

 Avhat broad, exterior and inner margins tapering towards 

 the narrow apex, divergence at the latter about equal to 

 the base of either of them. Antenna yellow, not reaching 

 to the base of the stigma; 1st joint frequently dusky red, 

 3 — 5 black at the apex, 6 — 10 dark brown or black; 4th 

 about two-thirds the length of the 3rd. 



Thorax. — Pronotnm dusky yellowish-white. JSFcsonotum 

 dusky reddish-yellow, anterior jiortion in front broadly 

 dark brown or black, Avith a central, longitudinal line and 

 posterior margin yellowish-white ; ]JOsterior portion with a 

 fine central, longitudinal, dark-brown line; an almost oval 

 patch on each side dark brown, and beyond this a broad 

 streak of the same colour. Flijtra clear, transparent ; 

 nerves fine, dark brown or lilack, spaces enclosed between 

 them more or less distinctly stained with fuscous down 

 the centre; costal marginal nerve and stigma yellow or 

 pale red, the latter wide and long ; claval suture on both 

 sides more or less broadly and distinctly margined with 

 fuscous; apex of the clavus with a short black streak. 

 It'injs clear, transparent, costal margin and nerves of the 



