OF PSEUDOCOCCIDAE & ERIOCOCCIDAE 



105 



Legs : Comparatively long and moderately stout ; the ratio length of the hind leg to the 

 total length of the body about 1 : 19. Coxa about 49 and trochanter about 3051 wide. Femur 

 about 43 [x wide ; that of the fore leg shortest and that of the hind leg longest ; the ratio width 

 to length of hind femur 1 : 4-5-5-2 (4-9). Tibia about 24;x wide ; with 2 apical stout spurs and 

 2-4 smaller spines ; the ratio length of femur to tibia in fore leg being 1 : i-i. Tarsus about 

 21 (x wide ; tarsal digilules apically knobbed, about 34^ long. Claw gradually tapering to a 

 sharp point ; ungual digilules extremely fine. The lengths of the leg segments and the number 

 of setae on each are given in the following table, in microns : 







Fore leg 



Middle leg 



Hind leg 



Coxa 



length 



f.s. 



h.s. 



40-46 (43) 

 8-12 (100) 

 4-6 (5-o) 



40-46 (43) 

 9-11 (100) 

 5-7 (6-o) 



43-49 (46) 

 10-13 (n-5) 



5-8 (6-5) 



Trochanter 



length 



f.s. 



h.s. 



64-73 (70) 

 3-4 (3-5) 

 0-1 (0-5) 



64-73 (70) 

 2-4 (3-o) 

 1-2 (i-5) 



67-76 (73) 

 3-4 (3-5) 

 1-2 (1-5) 



Femur 



length 



f.s. 



h.s. 



168-189 (180) 



16-23 (195) 



7-10 (8-5) 



171-189 (180) 



19-25 (22) . 



9-1 1 (100) 



180-207 (195) 

 22-32 (27) 

 7-10 (8-5) 



Tibia 



length 



f.s. 



h.s. 



183-204 (195) 



32-38 (35) 



6-9 (7-5) 



198-217 (207) 



33-40 (365) 



6-10 (8-o) 



250-268 (259) 



46-51 (48-5) 



7-1 1 (9-0) 



Tarsus 



length 



f.s. 



h.s. 



76-85 (82) 

 9-12 (105) 

 8-10 (90) 



79-85 (82) 

 9-1 1 (100) 

 7-10 (85) 



92-98 (95) 

 11-14 (125) 

 9-12 (105) 



Claw 



length 



27-31 (29) 



27-31 (29) 



27-31 (29) 



Total length of leg 



558-628 (592) 



580-641 (610) 



659-729 (695) 



Abdomen : 471-532 (502) jx long and 274-319 (296) [x wide. Tergites of segments I and II 

 small ; that of segment VIII large and that of segments 9+10 distinct. Sternites of segment 

 VIII small and weak. Ostioles prominent and well developed, 37-46 (40) jx long at orifice. 

 Abdominal setae on each side : Dorsal setae on segments I to VIII usually 2-3 and occasionally 

 4. Pleural setae 2-4, including one slightly longer seta on segment VIII. Ventral setae 1 





I ,' I 1 1 1 \ \ \ \ 1 \ 1 I \ \ \ \ \ 



Q I " f I S f * - i * u S" e ' e e = 



w «n i v n a. Ol 



200^ 



Fig. 8. Planococcus dioscoreae Williams, lateral view. 



