324 AUSTRALIAN rSYIJJD.K, 



primary stalk short, curved ; stalk of subcosta long, subcosta 

 forming a long slender cell or stigma running about two-thirds of 

 length of costal nervure; radius long, running close to costa and 

 terminating at tip of wing; cubital stalk short, upper branch of 

 cubitus long; upper and lower forks long, forming a large cell; 

 lower branch long, upper branch long, curving upward and then 

 down; lower fork long, curving outward; clavus stout, clavical 

 suture long, well defined. Abdomen large. Genitalia indistinct. 

 Hah. — Thirroul, N.S.W. (on leaves of Eucalyptus robusta: W. 

 W. Froggatt). 



8P0NDYLASPIS NiGRO-ciNCTA, n.sp. (Plate v., figs. 2 and G). 



Earl}^ stages and life-histor}^ unknown; imago taken in sweep- 

 ing Eucalypt scrub. 



Imago. — Length O'OS, antennse 0-025 inch. General colour 



rich yellow variegated with black; head yellow with lines round 



the edges, median suture, fovea, and centre of eyes black; 



antennae and inner portion of face lobes fuscous; black blotches 



on either side of dorsal surface of thorax forming two irregular 



parallel bands, Avith two lighter blotches on front margin of pro- 



notum; legs marked with black on thighs, tarsi fuscous; abdomen 



more black than yellow on dorsal surface; wings semitransparent, 



nervures horn-colour. Head narrow across, arcuate behind, 



turned down and flattened in front, with a deep fovea and median 



suture, deeply cut out in centre, and coming to a sharp angle on 



either side between antennae. Face lobes very long, slender, 



almost cylindrical, rounded at tips, lightly clothed with fine hairs. 



Antennae short, 1st joint short, stout, 2nd short, 3rd longest, 4th- 



8th slender, nearly of equal length, 9th shorter, 10th short, 



rounded at tip. Eyes very large, standing out on sides of head; 



central ocelli small; lateral ocelli large, bright wax-red. Thorax : 



pronotum not reaching to outer margins of eyes, curved in front, 



narrow, rounded at extremities, a fovea in blackish blotches on 



either side; dorsulum very small, irregularl}^ oval, coming to a 



blunt point at sides; mesonotum large, swelling out, arcuate in 



tront, coming to a rounded point on sides; scutellum light yellow, 



