Brittin. — Some New Coccidae. 



151 



short and broad. Anterior spiracles with group of 6- 1 parastigmatic glands ; 

 posterior spiracles with group of 4-6 glands. Last five free abdominal seg- 

 ments with short tubular spinnerets at side. Pygidium large and well 

 defined, with 8 groups of circumgenital glands, the three anterior groups 

 each consisting of 2-5 glands ; subanterior group 2-4 ; anterior laterals 

 14-20 ; posterior laterals 21-25. Dorsal tubular spinnerets, in 8 dis- 

 tinct series, are short and cylindrical, and contain 4-6 spinnerets in each 

 series ; on the preceding segment there are 4 more series. The median 

 lobes are narrow and widely divergent, with serrated edge ; second pair 

 long and narrow, and finely serrate : marginal spinnerets 6 on each side 

 of median lobes, the four middle ones being in pairs. Plates, 4 on each 

 side of median lobes, are simple and spine-like ; the first three being situated 

 between the median lobes and the first series of dorsal spinnerets, and one 

 beyond. Spines 4, very short, one at the base of each plate. Anal orifice 

 immediately below subanterior group of glands ; vaginal opening centrally 

 between posterior groups. Length, 1-22 mm. 



Adidt male unknown. 



Hab. — On Coprosma sp., Crushington, near Reefton ; found by Mr. R, W. 

 Raithby. 



This species is. closely allied to P. cycadis, but differs in the shape and 

 texture of the puparium, and also in the spinnerets on the pygidium. 



Genus Pinnaspis Cockerell.' 



3. Pinnaspis nitidus sp. nov. Fig. 3. 



Puparium of female elongate-ovate, convex, brown ; exuviae terminal. 

 Adult female elongated, distinctly segmented, white. Rudimentary 

 antennae bearing 4 fine hairs. Rostrum long and narrow, mentum short 







Fig. 3. — Pinnaspis nitidus. Pygidium ; X 200. 



and broad, rostral setae long. Anterior spiracles with group of from 4 to 

 6 parastigmatic glands. Last six free abdominal segments with numerous 

 short tubular spinnerets at side. Pygidium medium size, with 3 pairs of 

 lobes ; median pair broad, widely separated, and with crenulated extremity : 

 second and outer pair small and narrow. Between the lobes are 2 plates, 

 which are short, thick, pointed processes, with 2 more beyond the outer 



