84 JOURNAL OF ENTOMOLOGY AND ZOOLOGY 



EXPLANATION OF FIGURES 



ABBREVIATIONS 



a.o. — Anal orifice, 

 ce.p.s. — Cephalic pair of postanal setae, 

 ce.s. — Cephalic pair of anal seta?, 

 e.p.s. — Caudal pair of anal seta;, 

 d.p. — Denticulate wax pore, 

 m.s. — iliddle pair of anal setse. 



s. — Ordinary seta?, 

 s.c. — 8et:v of conical type, 

 w.p. — Triangular type of wax pore. 



All figures are drawn with a camera lucida, x660. 



Figure 1. The anal ring of P. a</rif<jliae Essig. In this and the sueceeding figures 

 of anal rings the cephalic end of the ring faces the top of the page. 



Figure -2. Anal ring of P. obscurus Essig. 



Figure 3. Anal ring of P. rrawii Coq. 



Figure 4. Anal ring of P. citri Risso. 



Figure 5. Anal ring of P. lovi/isi)iinis Targ. 



Figure 6. Lateral view of the posterior conical seta of an anal cerari of P. 

 lonnispintis. 



Figure 7. Lateral view of conical seta of an anal cerari of P. crawii. 



Figure 8. Surface view of an anal cerari of P. lu/rifoliae. 



Figure 9. Head or first cerari of P. agrifoUae. 



Figure 10. First or head cerari of P. citri. 



Figure 11. Anal cerari of P. citri. 



Figure IJ. Head cerari of P. crawii. 



Figure 13. Anal cerari of P. crawii. 



Figure 14. Head cerari of P. obscunm. 



Figure 1.5. Anal cerari of P. obsruni.i. 



Figure 16. Head cerari of P. loni/ispinus. 



Figure 17. Anal cerari of P. loitfii-ipiiius. 



