120 LECANIUM HEMISPHERIC UM. 



Brazil (Hempel) ; and Australia (Maskell). It is 

 recorded as a common species, and frequently injurious 

 to plants of various kinds. It lives out of doors in the 

 warmer parts of the world ; but, in other latitudes, it 

 is found only under glass. 



EXPLANATION or THE PLATE. 



PL LVI, fig. 1. Adult female after parturition. X 15. 

 Figs. 1 a, 1 1. Normal forms of adult female natural 



size in situ on Adiantum and Pteris. 

 Figs. 1 c, 1 d. Clypeate forms of adult female 



natural size in situ on stems of Adiantum. 

 Fig. 2. Antenna of the adult female. X 140. 

 Fig. 3. Leg of the adult female. X 140. 

 Fig. 4. Marginal spines of the adult female. 



X 600. 

 Fig. 5. Portion of ventral dermis of the adult 



female, with tubular spinnerets. 

 Fig. 5 a. Tubular spinnerets from ventral dermis. 



x 600. 

 Fig. 5 b. Portion of dorsal dermis with derm-cells. 



X 300. 

 Fig. 6. Female at period of gestation showing H- 



shaped carinas. X 15. 

 Fig. 7. Parasitised female. X 15. 

 Fig. 8. Early stage of same, x 20. 

 Fig. 9. Female, first stage, x 20. 

 Fig. 10. Puparium of male, x 15. 

 Fig. 11. Terminal segment of the male (slightly 



restored), with central portion of the genital 



sheath or stylus omitted, x 140. 

 Fig. 12. Terminal joints of male antennas. X 300. 



