THE SCALE INSECT GENUS ASTEROLECANIUM 27 



Key to Larvae — Continued 



8. Anterior and posterior spiracles each with 2 pores ; 1 or 2 dorsal 



submedian 8-shaped pores on each half of body ; apical setae 



about 40 ix long sdrrosis, new species, p. 184. 



Anterior spiracle with 2 pores, posterior with 1 ; dorsal 8-shaped 

 pores arranged in a submedian row of 4-7, and a lateral 

 row of 7-11, on each half of body ; apical setae about 80 

 ix long bellum, new species, p. 50. 



9. (7) Axes of all or of the majority of marginal 8-shaped pores trans- 



verse or diagonal to body margin 10 



Axes of all or of the majority of marginal 8-shaped pores longi- 

 tudinal to body margin 17 



10. Anal ring or margin of anal opening with setae 11 



Anal ring or margin of anal opening without setae 13 



11. Antenna 5-segmented ; spiracle with 1 trilocular and 1 quinque- 



locular pore iirichi Cockerell, p. 215. 



Antenna 6-segmented ; spiracle with 2 trilocular pores 12 



12. Sixth antennal segment with 3 long, 2 stout, and 2 fairly stout 



setae ; tibia approximately one-third length of tarsus ; 9 

 pairs of minute and 2 pairs of larger submarginal setae 



degeneratum, new species, p. 75. 

 Sixth antennal segment with 3 long, 2 stout, and 3 fairly stout 

 setae ; tibia approximately one-half length of tarsus ; 9 pairs 

 of minute and 1 pair of larger submarginal setae 



simile, new species, p. 187. 



13. (10) Femur with 1 seta on inner margin near base and 1 on outer 



margin near center ; tarsus with 2 setae on inner and 1 on 



outer margin flagellar iae, new species, p. 93. 



Femur with 1 seta on inner margin near base, without other 

 setae ; tarsus with 1 seta on inner margin and sometimes 

 with 1 on outer margin 14 



14. Coxa with 3 setae ; tarsus with 1 seta on inner margin and none 



on outer truncation, new species, p. 211. 



Coxa with 2 or 3 setae ; tarsus with 1 seta each on inner and 



outer margins 15 



15. Coxa with 3 setae ; anal opening not apparent 



distinction, new species, p. 80. 

 Coxa with 2 setae ; anal opening apparent 16 



16. Antenna 6-segmented, first segment with 1 seta ; about 16 



dorsal 8-shaped pores ; apical setae about 30 n long 



difficile, new species, p. 78. 

 Antenna 5-segmented, first segment without setae ; 27-36 dorsal 

 8-shaped pores ; apical setae about 45 /* long 



sabalis, new species, p. 180. 



17. (9) With a pair of minute setae close to each of the posterior 2 



or 3 pairs of marginal 8-shaped pores 18 



Without minute setae as above 29 



18. With fewer than 9 pairs of submarginal 8-shaped pores 19 



With 9 pairs of submarginal 8-shaped pores 20 



19. Minute dorsal 8-shaped pores arranged in a lateral row of 9 



on each half of body: beak short and rather blunt : 5 pairs 

 of submarginal 8-shaped pores; anal ring without satae 



hilli Green, p. 105. 



Large dorsal 8-shaped pores arranged in a submedian row of 



7 or 8, and a lateral row of 9. on each half of body : bonk 



long and pointed: 7 pairs of submarginal 8-shaped pores: 



anal ring with setae probosoidis, new species, p. 157. 



20. (18) Anal ring or margin of anal opening with setae 21 



Anal ring or margin of anal opening without setae 23 



21. Femur with 1 seta ; around 2 large dorsal 8-shaped pores 



boliviae, new species, p. 52. 

 Femur without setae; at least 20 large dorsal 8-shaped pores - 22 



22. First antennal segment with 1 seta; about 42 dorsal 8-shaped 



pores, nearly uniform in size and slightly smaller than 

 marginal pores of same segments 



oraniae, new species, p. 143. 



