THE COCCID^ OF CALIFORNIA. 



PLATE III. 



^€ 





FIG. 1. Pygidixjm of 



Circumgenital glands or 



1,2, 



1. Median group. 



2. Upper laterals. 



3. Lower laterals. 



4. Genital aperture. 



5. Anal aperture. 



6. Spine-like plates. 



7. Spines. 



8. Fumbriated plates. 



9. Third pair lobes. 



10. Second pair lobes. 



11. Firstormedianpair 



lobes— serrate. 



FIG. 2. Body of Female Di.\spin.« 



1. Head. 



2. Prothorax. 



3. Mesothorax. 



4. Metathorax. 



5. 6, 7. Abdominal seg- 



ments. 



8. Pygidium. 



9. Antenna?. 

 10. Rostrum. 



12. Tubular spinner- 



ets. 



13. Trumpet - shaped 



filiform spin- 

 nerets. 



14. Trumpet - shaped 



tubular spin- 

 nerets. 



15. Marginal promi- 



nence. 



16. Abdominal seg- 



ment. 



11. Anterior spiracles. 



12. Rostral setae. 



13. Posterior spiracles. 



14. Spinnerets or cir- 



cumgenital 

 glands. 



15. Genital aperture. 



16. Pores of tubular 



spinnerets. 



O. T. P., del. 



.TT 



VENTRAL SURFACE OF SCALE INSECT; SHOWING VARIOUS ORGANS. 



