BY FREDERICK A. A. SKUSE. 381 



or four. It appears that the larvae abandon the blisters before 

 assuming their next state ; the presence of the longitudinal 

 opening also supports this conclusion. 



The 5 only has been described ; and although several specimens 

 of this insect were bred there was not a ^ among thera. 



437. DiPLOsis Eucalypti, sp.n. (PI. xvi., fig. 4). 



9. — Length of antennae 0-040 inch ... 1-01 millimetres. 



Expanse of wings 0-080 x 0013 ... 2-02x0-32 



Size of body 0-070x0025 ... 1-77x062 



Antennse half the length of the wings; joints of sea pus greyish- 

 ochreous ; flagellar joint cinereous, cylindrical, with very short 

 pedicels ; the terminal joint with a minute projection. Front, 

 hypostoma and palpi greyish-ochreous. Thorax brown above, sub- 

 levigate, with two convergent pale ochreous lines to the scutellum ; 

 pectus tinged with brownish ; pleurae, scutellum and metanotum 

 ochreous. Halteres ochreous, paler yellow at base of stem, with 

 yellowish pubescence. Abdomen ochreous or brownish-ochreous, 

 densely clothed with yellowish hairs ; ovipositor yellow. Legs 

 brown, the femora beneath and at tip, tibiae at tip, and the last 

 three joints of tarsi, pale yellow. Wings hyaline, densely covered 

 with brownish pubescence ; rather deeply ciliated ; veins brownish ; 

 brassy reflections. Costal vein tolerably strong ; first longitu- 

 dinal vein joining opposite base of fork ; cross-vein extremely 

 indistinct ; second longitudinal distinct, gently arcuated, reaching 

 the margin beyond the apex of the wing ; third longitudinal pale, 

 turning abruptly towards the border, the anterior branch very 

 pale, nearly three times the length of posterior. (Description 

 drawn from fresh .specimen). 



Hah.— Botany, N.S.W. (Froggatt and Skuse). Bred from 

 woody swellings on the stems of Eucalyptus hannastonia in 

 December. 



Ohs. — This species most resembles D. conspecta, Sk. 



42. DiPLOSIS MOLLIPES, Sk. 



D. mollipes, Sk., I.e.', p. 92. 



