120 



CHAS. K. BRAIN. 



Habitat : On Acacia horrida, Pretoria ; collected by the writer, 20th September 

 1914. 

 Collection Nos. : 193 and 209. 



71. Aspidiotus transparens, Green (Plate vi, fig. 89). 



Aspidiotus transparens Green, Ind. Mus. Notes, iv, p. 4, 1896 ; Green, Cocc. Ceylon, 

 i, p. 49, 1896 (A. lataniae, Sign., part ) ; Green, Jl. Bomb. N. H. Soc. 

 xiii, p. 69, 1900 ; Lindinger, Der Pflanzer, iii, p. 358, 1907 ; Lindinger, 

 Berl. Ent. Zeits. hi, p. 105, 1908. 



Scale of adult $ + circular to somewhat elongate, about 3 mm. in largest diameter, 

 dense white, occasionally slightly translucent, so that the deep orange $ may be 

 indicated below. Scale usually with distinct radial striae. Occasionally the $ 

 scales are faintly tinged with yellow, but as a rule they are pure white with orange 

 yellow exuviae. 



Adult $ elongate, bright orange yellow, with pygidial margin somewhat darker. 

 Body (when mounted) hyaline, pyriform, with the abdominal segments well indicated. 

 Pygidium long, roundly tapering, with the median lobes dense and deeply coloured, 

 and L 2 and L 3 much more delicate and almost colourless (cf. A. destructor). Antennal 

 tubercles with a long curved spine and apparently two or three small spurs. 

 Parastigmatic glands 0. Pygidial margin as illustrated (fig. 89). Circumgenital 

 glands in 4 groups : — 



5—12 5—12 



9—18 9—18 



Formula :—P v L v 2P 2 , L 2 , 2P 3 , L 3 , 8P 4 . 



Habitat : On " umkavoti " (Chaetachne aristata, Planch.), Durban ; collected 

 by C. Fuller. On avocado {Per sea gratissima, Gaerm.), Durban ; collected by A. 

 Kelly, May 1916. On reed, Simondium ; collected by J. W. Hodgson, 30th January 

 1915. 



Collection Nos. : 159, 159a. 



72. Aspidiotus destructor, Sign. (Plate vi, fig. 88). 



Aspidiotus destructor, Sign., Ann. Soc. Ent. France, ix, p. 120, 1869 ; Green, Jl. 

 Bomb. Nat. Hist. Soc. xiii, p. 70, 1900. 



Scale of adult $ about 2 mm. in diameter, circular or nearly so, thin, transparent, 

 yellowish, without radial striations. Exuviae pale to moderately deep yellow. 



Adult $ similar to A. transparens, but often with the abdominal segments somewhat 

 withdrawn, and when mounted readily distinguished by the following characters : 



A. destructor, Sign. 

 Lj shorter than L 2 and appearing 

 slightly recessed, narrow, with the 

 inner margin somewhat concave, outer 

 margin notched near apex (fig. 88). 



A. transparens, Green. 

 L x longer and broader than L 2 , 

 not appearing recessed, deeply 

 coloured, with thickened chitin ex- 

 tending into pygidium, + symmetri- 

 cal ; notched on inner as well as 

 outer side (fig. 89). 



