124 LECANIUM PEEFOEATUM. 



with large subcentral gland-like perforation, and 

 smaller perforations at margins. X 40. 



Figs. 6, 6 a. Antennaa of adult female, x 140. 



Fig. 7. Terminal joints of same. X 300. 



Fig. 8. Leg of the adult female. X 140. 



Fig. 9. Anal lobes (closed). X 40. 



Fig. 10. Anal ring and surrounding organs (ven- 

 tral) : a, base of anal ring ; I, chitinised lever, 

 probably used for opening and closing anal lobes ; 

 c, spine bearing tubercles ; d, upper portion of 

 anal cleft ; e, dotted line indicating the position of 

 the anal lobes ; /, ventral spinnerets. X 140. 



Fig. 11. Anal ring and surrounding organs (dorsal) 

 with the anal lobes and ring thrown backwards 

 and upwards by pressure of the covering glass. 

 The letters a-e apply to the same parts as those 

 in fig. 10. x 140. 



LECANIUM NIGEUM (Nietner). 

 (Figs. 5 a-e in text.) 



Lecanium nigrum, Nietner; Enemies of the Coffee 



Tree, p. 9 (1861). 

 Lecanium depresswn, Targioni-Tozzetti ; Stud, sul 



Coccin., 29 (1867) ; Catal., 37, 38 (1868). 

 Lecanium begonise, Douglas ; Ent. Mo. Mag., s.s., 



vol. iii, p. 209, figs. 4, 4 a (1892). 



Adult female long-oval or broad-ovate, slightly 

 narrowed and produced in front, one side often more 

 curved than the other ; low convex, and sometimes 

 faintly carinated in front, with the margins flat, some- 

 what produced, and sometimes faintly wrinkled. Anal 

 lobes often porrected in the dead specimens. Colour 

 shining dark chestnut-brown, brown-black, or piceous. 

 Young examples are brown. Under the microscope 

 the surface is seen to be covered with clear brownish- 



