464 Mr. C. t'uller on some sj)ecies of 



Genus Opisthoscelis, Schrader. 



Adult $s inhabiting galls formed on leaves or twigs. 

 Abdomen prolonged into a conspicuous tail. Posterior 

 legs very much prolonged, anterior atrophied or absent. 



67. Opisthoscelis conica, sp. n. (Plate XV, figs. 33 and 34.) 



Adult $ very convex, distinctly segmented, colour light brown ; 

 covered with meal ; abdomen prolonged ; length 0* 15 inch. Antennae 

 atrophied, short conical not jointed. Anterior legs absent, posterior 

 legs very long, measuring 0'09 inch, the coxa trochanter and femur 

 short and stout ; the tibia very long ; tarsus atrophied, represented 

 by a minute nipple at the extremity of the tibia. Rostrum short, 

 mentum cordate. Epidermis clothed with many long, fine curved 

 spines, which are more numerous about the cephalis region and on 

 the margins of the tail, forming a tuft at its apex. 



$ gall on leaves, orifice upon the upper surface. The gall pro- 

 trudes on both surfaces of the leaf ; upon the upper in the form of a 

 cone, and upon the lower in the form of a hemisphere. Diameter at 

 base 0"3 to 0"4 inch. Chamber pyriform, length 0-2, width 0'2 inch. 



^ galls unobserved. 



The gall of this species approaches those of 0. suhro- 

 tunda and serrata. The Coccid is quite distinct from the 

 latter species, and differs from the former in the atrophied 

 tarsus, which in 0. suhrotunda is described as " as long or 

 longer than tibia." On Eucalyptus sp. Swan River. 



DIASPINiE. 

 Genus ASPIDIOTUS, Bouch^. 



68. Aspidiotus mirantii, Maskell. 



Taken upon many plants including Eucalypt, the Moreton 

 Bay Fig {Ficus inacrophylla, Desf.), the Grape, Rose, etc. 



69. Aspidiotus caldesii, Targ.-Tozz. 

 On Acacia sp. Geraldton. 



70. Aspidiotus ceratus, Maskell. 

 On Acacia sp. and Templetonia sp. 



71. Aspidiotus cladii, Maskell. 



On Sedge. Maskell records the species from Eastera 

 Australia and also from Natal, South Africa. 



