84 



c? . (b) As in (a), except protliorax with apical half 

 suffused with darker markings, elytral orange 

 fasciae not connected laterally, abdomen entirely 

 dark (metallic blue and green). 



9 • (<i) Two specimens as in the description of the male 



by Blackburn (the whole blue-black, elytra with 



red preapical fascia). 

 9 . (b) Two specimens have an additional medial fascia 



orange-red, narrower than in the male, and widely 



interrupted at the suture. 

 9 • (c) One specimen, elytra as in (b), but the protliorax 



has a vague transverse red band near the base. 



S. sanguinosa, Hope. — In this species there is a marked 

 sexual dimorphism in the structure of the apices of the elytra 

 and of the last segment of the abdomen. In the male the 



3 4 



Sexual Variation ok Apices or Elytra and Abdomen of 



»s 1 1 ig in ode i a sa ngu i n osa . 



Fig. 1. Apex of elytra of female. Fig. 2. Apical segment of 

 abdomen of female. Fig. 3. Apex of elytra of male. Fig. 4. 

 Apical segment of abdomen and part of aedeagus of male. 



elytra are prolonged considerably beyond the abdomen, while 

 in the female the reverse is the case. The last abdominal 

 segment in the latter is bilobed, while it is truncate in the 

 The quite different structure of the apices of elytra. 



male 



