15Y WALTER W. FROGGATT. 



259 



lower branch of cubitus; upper furcation very long and narrow; 

 upper fork of lower branch of cubitus very long, more than twice 

 as long as lower fork. 



Genus i. -Livia, Latr., Hist. Nat. Ins. Vol. xii. p. 374, 1804 

 (Diraphia, Illig. ). 



ii. — Creiis, Scott, Trans Ent. Soc. Lond. p. 4G2, 1882. 



iii. — Lasiopsylla, n.g. 



Genus Creiis, Scott. 



Head : crown down the centre more than half the breadth 

 between the eyes. In front of each eye a short angular tooth, 

 front margin convex. Front lobes long, stout, vesicate. Antennae 

 long, slender. Eyes viewed from above hemispherical, placed on 

 the side of the head. 



Thorax: pronotum narrow, widest at lateral margins, within 

 which is a small fovea; dorsulum moderately convex; mesonotum 

 of an irregular hexagonal shape. Elytra elongate, rounded at 

 apex; radius joining marginal nerve before apex, furcations of 

 cubitus elongate. 



Type Livia longipennis, Walker. 



C. longipennis, Walker. 

 (Plates xi., fig. 1; xii., fig. 17; xiv., fig. 8). 



Livia longipennis, Walk., B.M. Cat. (Homoptera) p 910, 1851; 

 Psylla livioides, Walk., Ins. Saunders. Homop. pt. iii. p. Ill; 

 C. longipennis, Scott, Trans. Ent. Soc. Lond. 1882, pt. o, p. 463. 



Lerp formed upon the leaves of Eucalyptus sp., not more than 

 one or two upon a leaf, rich canary-yellow, attached to the leaf 

 by a regular flange from which it swells out, lobed on either side 

 to a broadly rounded apex, convex, the edges in qpntact with the 

 leaf somewhat flattened; formed of opaque threads running from 

 the flange in a crescent pattern so close as to give it a granulated 

 appearance, but the whole of the upper surface thickly clothed 

 with long hair-like filaments, giving it a very beautiful appear- 

 ance; the outer hairs easily abraded, and many specimens are more 



