MUTILLID^, 



b'. The spots of white pubescence. 



ci^. Apical margin of 1st abdominal seg- 

 ment ciliated with yellow pubes- 

 cence M. niveosiynata, p. 13. 



h'^. Apical margin of 1st abdominal seg- 

 ment not cilirited with yellow pubes- 

 cence ; segment entirely black. 

 a^. Third abdominal .segment with an 

 entire transverse pubescent white 



band on apical margin 3£. dimidiata, p. 13. 



lr\ Third abdominal segment with a 

 transverse pubescent white band 

 on apical margin broadly inter- 

 rupted in the middle. 

 «'. Fourth abdominal segment with- 

 out a distinct band or elongate 



spots on either side M. vicinissima, p. 13. 



i'. Fourth abdominal segment with 

 a distinct medially interrupted 

 band on its apical margin. 



ft5. Length under 7 mm M. ruficrus, p. 14. 



6'. Length over 10 mm. 



a^. Posterior margin of thorax 

 truncate, the punctures on 

 the truncation running into 



striiB M, interrupta, p. 14. 



b^. Posterior margin of thorax 

 truncate, the punctures on 

 the truncation not running 



into striae M. subintratis, p. 15. 



■c^. Third abdominal segment with a 

 lateral more or less circular or 

 oblong spot. 

 «^. The lateral spot at base of the 



segment 31. colabensis, p. 15. 



i*. The lateral spot in the middle on 

 either side or past the middle, 

 close to the margm of the seg- 

 ment. 

 a^. A lateral spot on the 4th seg- 

 ment. 



a'^. Legs red 31. ceylanensis, p. 15. 



¥. Legs black. 



a~ . Antennae black 31. aulica, p. lo. 



b"^. Antennae ferruginous .... 3^1. heaaops, p. 16. 

 h'\ No spot on the 4th segment . . 31. valida, p. 16. 

 d'^. Third segment entirely black, im- 

 maculate 31. wroughtoni, p. 16. 



b. Second abdominal segment with two spots, 

 the spots medial, one shox^ the other. 



«'. The spots golden 31. pulla, p. 17. 



b'. Tlie .spots silvery white. 



a'^. Third abdominal segment with silvery 

 pubescence. 

 «■'. Thorax rounded posteriorly. 



(iK Head black M. blanda,^. 17. 



b*. Head silvery 31. constancece, p. 17. 



