244 AUSTRALIAN PSYLLIDjE, 



fuscous. Head very large, broad, rounded in front, sloping on 

 sides; rounded behind, showing distinct median suture through 

 centre; antennae standing out straight in front, moderately long, 

 slender. Thorax short, almost square, showing median suture 

 with four spots on either side. Wing-covers large, swelling out, 

 rounded on sides. Legs short, stout. Abdomen short, broad, 

 rounded to apex, basal segments banded with, and the whole of 

 apical segments fuscous. 



Imago. — Length 0*0625, antennae 0-03 inch. General colour 

 dull brick red to reddish-brown, mottled with black; antennae 

 fuscous; face-lobes black at base, tips white, beneath all white; 

 front of head and segmental divisions of thorax black, with a 

 slight pubescence over antennae, head and prothorax; legs fuscous, 

 with tibiae and tarsi pale ochreous; mesonotum marked with four 

 parallel dark brown bars; scutellum pale yellow; abdomen mottled 

 Avith black at base, bearing five broad black bands; wings semi- 

 transparent, slightly clouded ; nervures light brown : ventral 

 surface black, with abdominal bars white. Head with eyes as 

 broad as thorax, narrow, deeply cleft and lobed in front, with the 

 sides sloping down to front of eyes, slightly rounded on the 

 sides, deeply arcuate behind; a distinct median suture, and fovea 

 on either side. Face lobes short, broad at base, deeply cleft, and 

 conical at tips; clothed with grey hairs. Antennae very long and 

 slender, tapering to the tips; 1st joint short, broad; 2nd very 

 short; 3rd very long; 4th and 5th shorter; 6th-9th tapering, 

 shorter; 10th short, truncate at apex. Eyes very large, prominent, 

 as broad as the head, subglobular, compressed on the sides : 

 central ocellus small, indistinct; lateral ocelli small, enclosed in 

 a bright reddish patch close to hind margin of eyes. Thorax : 

 prothorax angular in front, truncate at extremities, marked with 

 two impressed spots; arcuate behind; dorsulum rounded on both 

 sides, elongated at extremities; mesonotum large, convex, slightly 

 arcuate in front, rounded on sides to apex; scutellum small. 

 Legs long, thighs thickened; tibiae slender, hind legs stouter than 

 preceding ones, tarsal joints large. Wings thrice as long as broad, 

 rounded at tips; primary stalk long; stalk of subcosta long, costal 



