6 MUTILLID^. 



//. First abdominal segment without spot 



or band M. cassiope, p. 24. 



c' . First abdominal segment with 4 spots . . M. sex-maculata, p. 25. 

 /. Second abdominal segment with a trans- 

 verse fascia on its apical margin. 

 a . The fascia of golden or fulvous pubes- 

 cence. 



a^. Apex of the thorax truncate M. agnata, p. 2-5. 



h'^. Apex of the thorax bluntly rounded M. insularis, p. 25. 



c^. Apex of the thorax angular M. serratula, p. 26. 



h'. The fascia of white pubescence M. dissimulanda, p. 2C>. 



B. Head black variegated with red or ferru- 

 ginous ; thorax red. 

 ff. .Second abdominal segment with three 



pubescent white spots M. rothneyi, p. 27. 



h. Second abdominal segment with four 

 pubescent white spots or marks. 

 a . Three of the spots in a triangle above, 



the 4th medially on the apical margin . M. pandora, p. 27. 

 h' . One spot on each side near base, two 

 on the apical margin. 

 a^. Posterior lateral angles of the thorax 



produced backwards M. kanthella, p. 28. 



6^. Posterior lateral angles of the thorax 



rounded M. jnaculicejjs, p. 28. 



c. Second abdominal segment with two pu- 



bescent white spots or marks, one at base 

 round, the other on apical margin semi- 

 circular M. nigngena, p. 28. 



d. Second abdominal segment with no spots, 



but a fascia on its apical margin of white 



pubescence . . M. reticulata, p. 29. 



e. Second abdominal segment with one spot of 



white pubescence. 

 a . Third abdominal segment with a spot of 



white pubescence M. ocellata, p. 29. 



b'. Third abdominal segment with a broad [p. 29. 



fascia of silvery pubescence M. maculo-fasciata, 



0. Head and thorax both black. 



a. Second abdominal segment black, with a 



medial spot of golden pubescence M, variegata, p. 30. 



b. Second abdominal sejzment black, with a 



lunate mark of silvery pubescence M.funeraria, p. 30. 



c. Second abdominal segment black, with a 



medial round spot near base, and a broad 

 transverse band of yellowish-white pubes- 

 cence M. arenaj'ia, p. 30. 



d. Second abdominal segment not spotted, 



but otherwise coloured. 



a'. Abdominal segments 1-5 covered with 



golden pubescence ; 6th segment black. M. semiaurata, p. 31. 



b' . First and second segments and basal 

 margin of third with transverse bands 

 of golden pubescence M. remota, p. 31. 



