OF PSEUDOCOCCIDAE & ERIOCOCCIDAE 2o t 



3 (i) Post-tergital setae 9 or more. Anterior metasternal setae more than 10. 



Metaspiracular and anterior metasternal pores absent. Penial sheath 

 broad, its length less than 15 times its width ; process of the penial sheath 

 well pronounced ; style apically truncate in dorsal view . . P. adonidum 



Post-tergital setae 6 or less. Anterior metasternal setae less than 9. Meta- 

 spiracular and anterior metasternal pores present. Penial sheath moder- 

 ately narrow, its length more than i-6 times its width ; process of the penial 

 sheath absent ; apex of style broadly rounded in dorsal view ... 4 



4 (3) Postmesostigmatal setae only present sublaterally. Ventral setae of abdom- 



inal segment VIII absent ...... P. obscurus (p. 131) 



- Postmesostigmatal setae present sublaterally and also medially. Ventral 



setae of abdominal segment VIII usually present P. maritimus 'Type A' (p. 135) 



NIPAECOCCUS 



Key to Species 



Relatively small, 840-980 (896) pL long. Fleshy setae present on the legs. The dorsal 

 simple eyes smaller than the ventral ; the dorsal eyes more than 4 times their 

 diameter apart. With less than 3 genal setae. Antennae as long as, or slightly 

 longer than the hind legs. The antennal setae about twice as long as the body 

 setae. Terminal antennal segment with 3 bristles only. Anterior apex of pro- 

 sternum forming a weakly sclerotized ring. With 7 or more medial pronotal pores. 

 Width of prescutum less than 1-4 times its length. Scutal setae less than 4. Meta- 

 spiracular pores and ostioles absent. Abdominal pores present only laterally 



N. nipae (p. 114) 



Moderately large, 1 148-1358 (1246) [i long. Fleshy setae absent on the legs. The dorsal 

 simple eyes larger than the ventral ; the dorsal eyes less than 4 times their diameter 

 apart. Genal setae almost always 3. Antennae shorter than the hind legs. The 

 antennal setae about as long as the body setae. Terminal antennal segment with 

 3 large and 2 smaller bristles. Anterior apex of prosternum without a sclerotized 

 ring. With less than 5 medial pronotal pores. Width of prescutum 1 -4 or more 

 times its length. Scutal setae more than 5. Metaspiracular pores and ostioles 

 present. Abdominal pores present laterally and also ventrally on one or more 

 segments .......... N. vastator (p. no) 



PLANOCOCCUS 



Key to Species 



Postoccipital ridge anteriorly confluent with the preocular ridges. Dorsal head 

 pores 4 or more. Prosternal ridge double-barred. Post-tergital pores 

 present. Metatergal setae absent . . . . .P. dioscoreae (p. 102) 



Postoccipital ridge not reaching the preocular ridges anteriorly. Dorsal head 

 pores less than 4. Prosternal ridge singular. Post-tergital pores absent. 

 Metatergal setae present ......... 2 



(1) Antennal segment III longer than the terminal. Middle femur slightly shorter 

 than the front. A ventral pore present at least on one side of abdominal 

 segment VII. Aedeagus comparatively broad . . .P. kenyae (p. 98) 



Antennal segment III shorter, or as long as the terminal. Middle femur 

 slightly longer than the front. Ventral abdominal pores entirely absent. 

 Aedeagus comparatively narrow ...... P. citri (p. 93) 



