THE COCCIDAE OF SOUTH AFRICA. 9 



Scattered over the integument are a few comparatively long hairs, which are 

 particularly noticeable in the region of the antennae. 



Habitat : On leaves of plant, species undetermined, Durban ; collected by C. P. 

 T. d. Merwe, April 1916. 



Collection No. : 126. 



Genus Saissetia, Deplan. 



Adult $ usually very convex or hemispherical, and the integument very dense, 

 dark in colour, and hard at maturity, with cell-Uke markings ; legs and antennae 

 well-developed. 



201. Saissetia hemisphaerica (Targ.). 



Lecanium hemisphaericum, Targ., Studii sul. Cocc. pp. 26, 27, etc., 1867. 



Chermes anthurii, Bdv., Ent. Hort. p. 328, 1867. 



Chermes filicum, Bdv., Ent. Hort. p. 325, 1867. 



Chermes hibernaculorum, Bdv., Ent. Hort. p. 337, 1867. 



Lecanium coffeae, Sign., Ann. Soc. Ent. Fr. (5) iii, p. 435, 1873. 



Lecanium beaumontiae, Dougl., Ent. Mon. Mag. xxiv, p. 95, 1887. 



Lecanium clyjpeatum, Dougl., Ent. Mon. Mag. xxv, p. 58, 1888. 



Lecanium hemisphaericum var. hibernaculorum, Ckll., Bull. Bot. Dept. Jamaica, p. 

 71, 1894. 



Lecanium hemisphaericum vslt. filicum, Green, Ent. Mon. Mag. xxxiii, pp. 70, 77, 

 1897. 



Lecanium (Saissetia) coffeae var. clypeatum, Ckll. & Parr., The Industrialist, p. 164, 

 1899. 



Saissetia hemisphaerica, Ckll., The Ent. Student, ii, p. 32, 1901. 



Coccus coffeae, Kirkaldy, Fauna Haw. iii, pt. 2, p. 105, 1902. 



Adult $ approaching hemispherical, ovate, with the margins somewhat flattened ; 

 dorsum smooth, shining, Hght to red-brown, about 2 to 4 mm. long, 1 to 2*5 mm. 

 broad, and 1*5 to 2 mm. high. In the young forms an indistinct H is sometimes 

 indicated on the dorsum, but this disappears in the adult, which is thus readily dis- 

 tinguished from S. oleae. 



Integument with numerous clear, oval derm cells. Antennae 8-jointed, with the 

 foUowing range in fx : (1) 37-45, (2) 47-54, (3) 74-81, (4) 46-51, (5) 44-53, (6) 27-34, 

 (7) 24-30, (8) 48-54. 



Leg III : coxa 110, femur -f trochanter 255, tibia 185, tarsus 88, claw 24//. 



Anal plates about 136/« long, triangular, with rounded corners. Marginal spines 

 flattened at the ends, which are serrated in a variety of forms, some simple ; stig- 

 matic spines all strong and blunt ; median longer than laterals. 



Habitat : On pot-plants, Capetown, Grahamstown (C. P.), Durban and Pieter- 

 maritzburg (Natal), and Pretoria and Johannesburg (Transvaal). 



Collection No. : 120. 



