S MUTILLID^. 



e. Second abdominal segment with a single 



spot of golden yellow or white pubescence. 

 a'. Spot of golden pubescence. 



if. The first abdominal segment black, 

 immaculate. 

 a^. Thorax with a lateral conical pro- 

 jection or tooth M. veda, p. 37. 



}f\ Thorax without a lateral conical 



projection or tooth M. pusilla, p. 38. 



b'. First abdominal segment maculate. 

 rt'. Thorax dentate posteriorly, with a 



medial spine M. lunarifasciata, 



P. Thorax not dentate or spined pos- [p. 38. 



teriorly M. puerilis, p. 38. 



b'. Spot of silvery pubescence. 



«-. Apical margin of 2nd abdominal seg- 

 ment with a transverse band also 



of white pubescence M. poonaensis, p. 39. 



b~. Apical margin of 2nd abdominal seg- 

 ment with a spot only of white 

 pubescence M. rujiventris, p. 39. 



f. Second abdominal segment with three or 



more spots of silvery or golden pubescence, 

 a . The spots silvery. 

 «*. Four spots. 



a*. Abdomen petiolate M. aiiropalliata, p. 39. 



b^. Abdomen not petiolate M. optima, p. 40. 



b-. Three spots. [p. 40. 



a^. Abdomen black M. pulchriventris, 



b^. Abdomen deep cserulean blue .... M. metallica, p. 41, 



v. The spots golden M. perelegans, p. 41. 



g. Second abdominal segment black, immacu- 

 late M. pidchrina, p. 41. 



E. Head brown ; thorax red or brown, posteriorly 

 red. 



a. Thorax red M. taylori, p. 42. 



b. Thorax brown, changing to ferruginous red 



posteriorly , M. argentipes, p. 42. 



Males. 

 A. Thorax black. 



fl. Abdomen more or less red. 

 a . Wings fuscous, paler at the base. 



a^. Basal abdominal segment only red . . M. opulenta, p. 42. 

 b^. Second abdominal segment only red . M. argenteomaculata, 

 c^. First, second, and third abdominal [p. 22. 

 segments red. 

 a^. Fourth abdominal segment with an 

 ill-detined silvery transverse pu- 

 bescent fascia M. schleftereri, p. 43. 



b^. Fourth abdominal segment with a 

 well-delined golden transverse 



pubescent fascia M. stephani, p. 43. 



\ir. First to the fourth abdominal seg- 

 ments red. 



«'. Length 11-13 mm M. analis, p. 44. 



b^. Length 15-17 mm M. interrupta, p. 14. 



