THE VICTORIAN NATURALIST. 



groups — upper laterals 17 to 27, lower laterals 6 to 10. Length, 

 1.25 to 1.50 mm. 



Habitat. — On Eucalyptus globulus, Labill. Myrniong, Victoria. 

 (No, 5 5 A.) Very inconspicuous, the scales being exactly of the 

 tint of the bark upon which they rest. 

 AoNiDiA (Greeniella) pulchra, sp. nov. (figs. 2, 3). 



Female puparium circular or broadly oval ; strongly convex. 

 Normally with a whitish secretionary covering, which becomes 

 ruptured during growth and frequently falls off, together with the 

 larval pellicle, leaving the reddish-brown nymphal pellicle ex- 

 posed. The first pellicle, when present, may carry the glassy 

 processes found on the larval and male scales, but they are 

 usually lost before the puparium has reached its maximum 

 development. Diameter, 0.75 mm. 



Male puparium (fig. 2) larger, flatter, and more oval, consisting 

 of a brownish-grey secretionary area (whitish towards margin), 

 with a central fulvous pellicle bearing a number of long curling 

 glassy brittle processes. Tliere are usually 4 of these processes 

 on the median line — 2 on each side, above the thorax; and 22 

 forming a marginal fringe. In exposed situations the processes 

 are often lost by abrasion. Length, i mm. Breadth, 0.80 mm. 



Adult female enclosed within the second pellicle. Subcircular, 

 the posterior extremity only slightly prominent. Pygidium with- 

 out lobes, spines, or squames. Margin (fig. 3) irregularly crenu- 

 late. A few small circular pores irregularly distributed over both 

 surfaces. Anal orifice central, large, circular. Diameter, 0.50 

 to 0.60 mm. 



Female of second stage with pygidial margin resembling that of 

 Parlatoria. 



Larva with glassy processes, as on male puparium. 



Habitat. — Insects of both sexes crowded on under surface of 

 leaves of Callistemon salignus, Candol. Myrniong, Victoria. 

 (Coll. J. Lidgett, No. 54.) Received also, on same plant, from 

 Mr. C. French (Nos. 23 and 64). 



Tiie character of the larval pellicle clearly suggests relationship 

 with Aonidia [Greeniella) cornigera, from Ceylon. But the 

 second pellicle presents characters found in species of Gymnaspis. 



Mytilaspis cassini^, sp. nov. (figs. 4, 5). 



Female puparium long and narrow ; sides subparallel ; often 

 curved. Colour dull reddish-brown ; pellicles reddish, almost 

 concealed. I>ength of well-developed examples, 2,75 to 3.50 

 mm. Greatest breadth, about 0.50 mm. 



Male puparium of similar colour, but shorter and straighter. 

 Length, about i mm. 



Adult female deep red-brown (dried examples). Anterior 

 extremity abruptly truncate (before compression). Form other- 



