10 



THE VICTORIAN NATURALIST. 



with conspicuously thickening rim being accurately superimposed 

 dorsally above each of the ventral prominences. There are 

 numerous conspicuous oval pores along the margin, and in more 

 or less linear series on the dorsal surface of all but the cephalic 

 and prothoracic segments. Circumgenital glands in five groups ; 

 4 to 6 pores in the median group, 9 to 13 in the upper laterals, 

 and 12 to 15 in the lower laterals. Length, about 1 mm. 



Male puparium dull white; pellicle yellowish; ventral scale 

 well developed, completely enclosing the insect. Length, 

 1.25 mm. 



Fig. 1. — Pygidium of Mytilaspis bicomis, Green and Lidgett. 

 (Much enlarged.) 



Habitat. — On the bark of Eucalyptus globulus, the males 

 apparently affecting the younger branches. Collected at 

 Myrniong, Victoria. 



Probably a native of Tasmania, and may have been imported 

 on young plants of Eucalyptus globulus. 



FlORINIA LIDGETTI, n. Sp. 



Female puparium small, narrow oblong. First pellicle very 

 pale straw colour; second pellicle reddish fulvous, entirely 

 concealed by a thin but compact coat of white secretion. 

 Length, 1.25 mm. Breadth, 0.50 mm. 



Male puparium very similar in external appearance to that of 

 female, but rather whiter ; posterior extremity broader ; a very 

 indistinct median carina. Length, 1 mm. 



Adult female occupying as usual the cavity of the second 

 pellicle ; oblong ; broadest across the abdominal segments. 

 Mouth parts rather large. Dorsal surface (particularly on meso- 

 thorax), with numerous small oval pores connected with short 



