210 AUSTRALIAN PSEL APHID. JS 



basi curvato, apice eurvatim incrassato, 3 latitudine sua maxima 

 haud longiori, lateribus curvato et extus ante medium producto 

 et sat longe appendiculato, 4 paululum minori, triangulari, lateri- 

 bus curvatis, angulo interno apicali obtuso, minutissime appendi- 

 culato, angulo externo leviter producto et longe appendiculato. 

 Prothorax transversus, lateribus rotundatus, subsequaliter antice 

 et postice attenuatus, foveis lateralibus minutis, media brevi 

 simplici, disco aequali. 



£. Antennae elongate, graciles, articulis 3-7 latitudine sua 

 paulo longioribus, 8-10 longitudine asqualibus sed latitudine 

 crescentibus, 8 latitudine sua duplo longiori, 11 decimo crassiori, 

 decimo et nono simul sumptis paulo breviori, irregulariter ovato, 

 ad apicem incrassato, obtuse acuminato; segmento 3 ventrali late 

 transversim impresso, istae impressionis margine erecta. 



(|). Antennae breves, graciles, articulis 3-8 latitudine sua paulo 

 longioribus, 9 praecedenti vix longiori, 10 nono fere duplo longiori, 

 paulo crassiori, 11 magno, ovato, decimo triplo longiori. Long. 

 1-40-1-60 mm. 



Tasmania; Australia; Port Augusta, S. A.; Swan River, W. A.; 

 Melbourne, Vic. 



The antennae vary to a certain extent, the joints of the club 

 being more or less elongate (more elongate in the specimens from 

 Tasmania), but all the other characters, and more especially the 

 sexual one, being identical, I cannot consider them as distinct 

 species. 



I found these insects in Schaufuss's collections under the 

 different, names, i.e., of tasmanke, morosus, incognitus. 



Ctknisophus patruelis, n.sp. 



This species is very closely allied to both Kreusleri and morosus, 

 and somewhat intermediate between them as regards the antennae 

 of the £. The antennae in the £ are exactly similar to those of 

 Kreusleri, with this exception that they are a little more slender, 

 each joint being proportionately longer, but they are still shorter 

 than in morosus. The maxillary palpi are similar to those of 

 morosus. In the inferior part of the head the transverse carina 



