188 



K. NEWSTEAD — SCALE INSECTS (COCCID^) 



^pots are arniiiged much more closely together than shown by G reen in his 

 excellent memoir ; and it should be noted also that the " scattered arch of 

 circular wax glands . . . « enclosing the genital orifice/' observed by Green in 

 his type, is not traceable in the females from Uganda. 



The leaves upon which the specimens were sent were unnamed, but they 

 -appear to be referable to the guava; Entebbe, Uganda, 25.xi.10 (C. C. 

 {rowdei/, no. 14B0). 



The var. africanum, Newstead, has been recorded from the West Coast of 

 .Africa ; but this, so far, is the only recorded habitat for the typical form in 

 Africa. 



LecaniTim sp. 



Almost covering the leaves of Citronella Grass {Andropogon sp.). All 

 the examples are females, and quite 98 per cent, of them had been destroyed 

 by a Chalcidid parasite. No examples of the latter were present in the 

 envelopes in wdiich the Coccids were packed, so that it is evident that the 

 parasites had escaped before the hosts were collected. 



Ceroplastes singularis, sp. n. 



Test of adult female hemispherical ; thin and very hard ; texture fairly 

 smooth ; dorsum with a faintly indicated plate, almost circular in outline, 

 with indications also of three lateral plates ; colour dirty ochreous. 



Length 3 mm. ; width 2*5 mm. 



Female, adult. — Hemispherical; cephalic lobe moderately produced; 

 stigmatic clefts shallow ; caudal process rudi- 

 mentary ; derm thin and transparent, after 

 maceration in caustic potash. Antennoe 

 (fig. 2) of six segments with four stout hairs 

 of varying length on the 2nd segment, a very 

 unusual character. Legs normal. Mentum 

 monomerous, with several (? 10) short stout 

 spinose hairs. Marginal spines large : these 

 are set closely together all round the margin ; 

 and on either side of this series are many 

 slender spines and scattered spinnerets. 

 Stigmatic spines, 15-20 in number, similar to 

 those at the margin. Derm coarsely and 

 faintly reticulated, each reticulation with a 

 central pore. 



Test of young adidt female hemispherical ; 

 thin and glass-like but opaque ; two lateral 

 plates darker, immediately below each of 

 these a very hroad band of pure white wax marking the stigmatic areas. 



Fig. 2. — Ceroplastes singularis, 

 Newst. j antennae of adult female. 



