250 AUSTRALIAN PSYLLIDAi, 



long, curving upward and then down, upper fork short, coming 

 out below tip of wing; lower fork as long as upper; lower branch 

 of cubitus transverse, upper fork curving round, long; lower fork 

 short, curving sharply round towards base of wing; clavus stout, 

 thickened; clavical suture very long. Abdomen broad, rounded 

 on sides, red bands on dorsal surface, white on ventral. Genitalia : 

 ((?) lower genital plate large, rounded; forceps slender, curved 

 inward; penis slender, upper genital plate slender, broad at base, 

 pointed at apex: (^) upper and lower genital plates short and 

 rounded. 



Hab. — Richmond, Young, Wagga,N.S.W. (on Acacia decurrerts; 

 W. W. Froggatt). 



The insects clustering all over the stems and branchlets 

 of this wattle form no protective covering or secretion. The 

 eggs, bright yellow and somewhat elongate in form, thickly 

 coat the bark of the small branches; larvae, pupae and perfect 

 insects crawl over the stem beneath. The very long antennae, 

 beautifully coloured wings and dark tints give this psyllid a 

 striking appearance. 



PSYLLA CAPPARIS, n Sp. 



(Plates xiv., fig. 6; xvi., fig. 14.^ 



Larva semitransparent to pale yellow, abdomen reddish-orange, 

 eyes bright red; tip of antennae black. Head very large, broad, 

 rounded in front, lightly fringed with fine hairs; eyes far back on 

 sides of head; a fine median suture running through head to base 

 of thorax. Antennae in front of head, tapering to tips. Thorax 

 as broad as head but not more than one-half the length, forming 

 two lobes on the sides. Legs stout, thick, and very hairy. 

 Abdomen rounded to apex, each segment ornamented with a fine 

 hair. 



Pupa bright orange to pale yellow; apical half of antennae, 

 tibiae and tarsi black; wing-covers, blotches on head, spots on 

 thorax, interrupted bands on the base and apex of abdominal 

 segments dark brown. Dorsal surface lightly clothed with fine 

 scattered hairs, thickest upon legs, wing-covers, and tip of abdo- 



