364 



ROBERT NEWSTEAD. 



less central ; digitules long, the lower pair robust. Anal cleft fused and three 

 times as long as the anal lobes ; the latter (fig. 15, 6) somewhat pointed, the outer 

 edge much longer than the base. Stigmatic clefts obsolete'; spines (fig. 15, c) three, 

 the laterals very short and faintly bulbous. Marginal spines (fig. 15, d) small ; 

 some are slightly dilated and irregularly divided distally ; others, especially in the 

 cephalic and anal regions, are more or less palmate (fig. 15, e, /). Derm with a 

 pronounced tessellation of irregularly polygonal cells, the central spots varying in 

 size from a minute speck to a large oval one nearly filling the cell area. 



Length, 3 -5-4 -5 mm. : width, 2 -5-3 -4 mm. 



Fig. 15. Lecanium signatum, Newst., sp. n., $ ; 

 a, antenna; b, anal lobes; c, d, stigmatic and marginal 

 spines ; e, f, other forms of marginal spines ; g, leg. 



Female, second stage. Elongate and flat. Colour translucent yellow to dull bufE. 

 Parasitised examples with a central elongated, polished, black swelling. Structural 

 details similar to those of the adult, but many of the marginal spines (fig. 15, /) are 

 markedly palmate. 



Uganda: Entebbe, on guava, 4.iii.l4 {C. C. Goivdey). 



Very like the flat forms of Lecanium {Saissetia) nigrum (Nietn). But the 

 . J.-shaped ridge, the form of the antennae and the marginal spines are dissimilar 

 and distinct. 



Lecanium (Saissetia) scutatum, sp. nov. 



Feinale, adult. Generally more or less hemispherical ; shining, rich, dark 

 castaneous. often with obscure darker markings ; small detached particles of glassy 



