BY WALTER \V. FKOGGATT. 289 



branous, very long, narrow, angulated at tip, veins fine, stalk of 

 cubitus longer than subcosta; a long but narrow pterostigma; 

 radius long, curving downward to tip of wing; stem of second 

 fork parallel with radius. Legs short, anterior and middle tibiae 

 simple, posterior tibiae not dentate at base, but dilated at apex 

 and produced near the outer (posterior) apical angle into a stout 

 mucro; anterior and middle tarsi with first joint short, simple, 

 and much longer than claw-joint; posterior tarsi with first joint 

 as long as claw-joint and dilated beneath into a broad, flattened, 

 membranous, cushion-like disc; metasternal epimera very large; as 

 long as wide, without spiniform processes. Abdomen : sixth 

 ventral segment of £ broadly divided for the reception of the 

 genitalia; genital plate and forceps without lateral appendages; 

 genitalia of 9 not beak-shaped, the outer valve consisting of two 

 short plates. 



Type Psylla eucalypti, Dobson. 



Spondtliaspis eucalypti, Dobson. 

 (Plates xii., tigs. 1 and 12; xiii , fig. 5; xiv., fig. 7.) 

 Psylla eucalypti, Dobs., Proc. R. Soc. V. Diemen's Land, 1851, 

 Vol. v. Pt. iii. p. 235; Spondyl.iaspis eucalypti, Schwarz, 

 Proc. Ent. Soc. Washington, Vol. iv. p. 69, 1896. 

 Lerp convex, circular, opaque white, coming to a rounded point, 

 1^ lines in diameter, generally covering the surface of the leaves 

 in clusters of forty or more close to but seldom overlapping each 

 other; irregular and rugose on the outer surface, attached to the 

 leaf right round the edge, but peeling off when dry. If enclosed 

 in a tin the lerps liquefy to a certain extent. 

 Larva differing very slightly from pupa. 



Pupa: general colour red; antennas semitransparent, outer 

 margins from sides of head to tip of abdomen pale green; two 

 spots on head, two on pronotum, wing-covers and a double row 

 of elongate marks coming to a point at tip of abdomen black; 

 undersurface of head and abdomen bright green, legs, thorax, and 

 sides of head yellow. Head short, arcuate in front, rounded 

 behind ; antennae long, third joint bent ; eyes large, rounded. 

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