SCALE-INSECTS (COCCIDAE). PART II. 



305 



mirabilisy the type of the genus, possesses the large secretionary shield or flap 

 over the large ventral orifice or not. If this remarkable structure is present in 

 Lophococcus mirabiHs, Aspidoproctus must go, but this matter cannot be settled 

 without reference to the type. 



Dactylopius (Pseudococcus) longispinus, Targ. 



Southern Nigeria : Lagos, on an unknown plant, 12. iv. 13 (Dr. J. W. Scott 

 Macfie). 



Dactylopius (Pseudococcus) virg*atus, Ckll. 



British Guiana: Georgetown, 1912 (G. E. Bodkin.) 



Ceronema africana, Macfie. 



Southern Nigeria : Ibadan, 14. vi. 13 (Dr. W. A, Lamborn). 



Food-plant not determined. The following information was attached to the 

 specimens : " These Coccids already dead on the branch of a bush shrub which 

 had died apparently as a result of their influence." 



Pulvinaria jacksoni, Newstead (fig. 4). 



Nyasaland : on cotton, 14. vi. 13 (E. Ballard). 



Mr. Ballard writes : " I had a whole cotton-plant brought to me the other 

 day covered with the females and their ovisacs, and forward you a small branch." 



.A 





^-. •*»>,,*■ 



Fig. 4. — Pulvinaria jacksoni, Newst., 9 9 an d puparia of $ $ , on cotton branch ; nat. size. 



The infestation was very heavy ; the thicker branches being almost com- 

 pletely covered by the long white ovisacs, while the male puparia were attached 

 to the smaller twigs and quite isolated from the females. 



32926 D 2 



