156 ASTEKOLECANIUM THESII. 



two examples of this pretty little coccid ; they were 

 kindly given to me by my friend Mr. J. W. Douglas, 

 and formed part of the series of his types from which 

 he drew tip his original diagnosis. The species has nob 

 been found elsewhere in the British Isles, or in any 

 other part of the world. 



EXPLANATION OF THE PLATES. 



PL LXI, fig. 6. Insect (test) in situ, slightly enlarged. 

 Fig. 7. Ovisac of the adult female (profile). X 12. 

 Fig. 8. Fringe of the ovisac of the adult female. 



X 35. 

 PI. LXII, fig. 16. Adult female after treatment with 



potash (ventral). X 25. 

 Fig. 17. Abdominal extremity of adult female. 



. x 140 ' 

 Fig. 18. Dorsal compound figure-of-8 spinnerets. 



X 600. 



ASTEKOLECANIUM VARiOLOSUM (Ratzeburg). 



(PI. D, Vol. I, fig. 2; PI. LXI, figs. 9-15; PI. LXII, 

 figs. 1-5 a.) 



Asterolecaninm quercicola, Signoret et Auctt. (nee 

 Lecanium quercicola, Bouche).* 



Coccus variolosus, Ratzeburg ; Tharander, Jahrbuch, 

 xx, p. 187 (1870) (not seen; fide Judeich and 

 Mtsche).* 



Lecanium quercus, " L " (nee Linne) ; Altum, Forst- 

 zoologie, iii, Insecten, p. 365 (1881).* 



Coccus variolosus, "Ratzeburg MS.; " Hagen, Canad. 

 Entom., 1887, p. 60 (no description).* 



Planchonia fimbriata (Fonscolombe), Maskell; Ex- 

 tract, Trans. N.Z. Inst., 1894, p. 62. 



* This part of the synonymy is from Cockerell, ' Proc. Acad. Nat. Sciences 

 of Philadelphia/ 1899, p. 269. 



