b CHAS. K. BRAIN. 



reticulation along the sides, whence, in some examples, faint dark hnes radiate to 

 the margin ; the disc occupied with a long, pale, clear, oval spot ; or in some mature 

 specimens the scale (female) is unicolorous yellow-brown, the dorsal pale spot 

 partly or wholly covered, and on the sides minute pale dots in place of reticulation. 

 Underside all pale, a broad space all round the insect, a conspicuous blackish eye- 

 spot above each antenna." (Douglas). 



Antennae long, of 8 segments, range in jul as follows : — (1) 34-40, (2) 51-58, (3) 

 68-^2, (4) 54-58, (5) 41-54, (6) 24-31, (7) 20-31, (8) 34-41. 



Anal plates longer than in hesperidum (llOju), with the outer angles more rounded. 

 Marginal spines a little longer than in hesperidum (34//), widely spaced, averaging 

 70-85/^ apart. Usually simple, but some with apex broadened and slightly branch- 

 ed and recurved. Integument, when fully chitinised, with scattered, small, oval^ 

 clear spaces. Stigmatic spines (3) ; laterals longer, straighter and more pointed 

 than in hesperidum, median about four times the length of laterals, broad at the 

 base and tapering to an acute point. 



Habitat : On Acacia melanoxylon ; collected by A. Kelly, Joubert Park, 

 Johannesburg, May 1915. 



Collection No. : 111. 



196. Lecanium pseudelongatum, sp. n. 



Adult $ similar to elongattim but slightly less convex and darker in colour. The 

 antennae are 8- jointed as in elongatum, but joints 3 and 4 are longer and 5 

 shorter, giving the following range :—(l) 34-40, (2) 41-51, (3) 59-68, (4) 44-61, 

 (5) 61-71, (6) 24-34, (7) 24-27, (8) 37-41. 



The most striking difference, however, is found in the marginal spines which 

 are long (58/i) and close together, averaging 34/^ apart. Stigmatic spines (3) 

 with the laterals relatively short and slender and the median long, curved and linear. 



Habitat : On native thorn tree. Acacia caffra (?), Pretoria ; collected by the writer, 

 September 1914. 



Collection No. : 116. 



197. Lecanium filamentosum, Newst. 



Lecanium (Eulecanium)filamentosu7n, Newst., Bull. Ent. Res. iv, p. 74, 1913. 



Adult $ about 6 mm. long and 4 mm. broad, flatly convex with a slight median 

 ridge. The colour of dried material is pale brown, with median area white as though 

 covered by a dense layer of white secretion, which gradually fades towards the 

 margin where numerous black dots are evident. The margin is faintly indentate, 

 this character being intensified by the lines of black dots running to the edge and 

 the distinct marginal glassy fringe. Seen from below the insect is brown, with four 

 conspicuous stigmatic bands. 



The antennae are 8-jointed with joint 3 remarkably long. A series of ten 

 measurements gave the following range in ju : — (1) 57-65, (2) 68-82, (3) 150-187, 

 (4) 75-88, (5) 65-75, (6) 34-44, (7) 31-37, (8) 54-58. 



The integument is characterised by a few scattered, short, conical spines and a 

 number of small, indistinct, " rosette " gland openings. The anal plates are about 

 220ju long each, with a stout apical spine and several others on the disc. 



