The Coccidae of South Africa. 
171 
company with them examined the bushes upon which the type specimens 
were originally discovered, but failed to find it. Mr. Fuller assures me 
that at that time there was no suggestion whatever that the insect 
occurred upon any other plant than the native shrub Cliffortia. 
Collection No. : 5. 
51. IcERYA PUECHAsi Maskell. 
(Plate XXII., Fig. 46. Plate XXV., Fig. 55. Plate XXVL, Fig. 61.) 
^' Australian Bug," Eeport of the Commission appointed by His Excel- 
lency the Governor to inquire into and report 
upon the means of exterminating the insect of 
the family Coccidae commonly known as the 
Australian Bug, Cape Town, 1877. 
Government Notice No. 113, 1877 (Letter by Mr. 
Poland Trimen). 
Icerya purchasi Mask., N.Z. Trans., xi., p. 221, 1878. 
Mask., N.Z. Scale Insects, pp. 101, 105, 1887. 
Comstock, U.S. Dept. Agr. Kept., p. 347, 1881. 
Lewis, Journ. Q. Mic. Club, iii., 2, p. 356, 1889. 
Lounsbury, Pep. Ent. C.G.H., p. 92, 1896. 
Lounsbury, Pep. Ent. C.G.H., p. 21, 1898, 
Fuller, Natal Agr. Journ., 1907, p. 1035. 
Common names : — Australian Bug. 
Cottony Cushion Scale. 
Fluted Scale. 
Dorthesia. 
Ovisac : White, about as broad as the body of the insect, upper surface 
roundly arched, and distinctly fluted. The completed ovisac may attain a 
length of three times that of the body of the adult ? . 
Adult 2 : " Adult female dark, reddish-brown, covered with a thin 
powdery secretion of yellowish meal, and with slender glassy filaments ; 
stationary at gestation, and gradually raising itself on its head, lifting the 
posterior extremity until nearly perpendicular, filling the space beneath it 
v>^ith thick white cotton, which gradually extends for some distance 
behind it in an elongated, white ovisac, longitudinally corrugated ; ovisac 
often much longer than the insect, and becoming filled with oval red eggs. 
Length of female, about one-fifth inch, reaching sometimes nearly one-third 
inch. Body previous to gestation lying flat on the plant, the edge slightly 
turned up ; on the dorsum a longitudinal raised ridge, forming one or more 
prominences. Insect covered all over with numerous minute tine hairs. 
