124 POMPIIJDJE. 



J^. Abdomen fulvous red. 



«^. The abdominal segments above 



with broad transverse black [p. 132. 



bands S. fenestratus (var.) 



b^. The abdominal segments entirely 



fulvous red S. ruhidus, p. 130. 



c^. Abdomen dull ferruginous yellow. S. ichneumoneus, p. 130. 

 c'. Head and thorax obscure blackish 

 castaneous ; clypeus, antennte, and 

 legs below femora with golden 



ferruginous pile 8. sycophanta, p. 131. 



b. Wings fuscous or fuscous black, with a 

 purple effulgence. 

 «'. Fore wing with a large subovate spot 



of silvery pile on the disc S. ducalis, p. 131. 



b'. Wings immaculate. 



«-. Abdomen black S. cMruleopennis, p. 132. 



fc^. Abdomen red, or fulvou^s or fer- 

 ruginous red. 

 o^. The abdominal segments above 

 marked with broad transverse 



black bands S. fenestratus, p. 132. 



b^. The abdominal segments without 

 transverse bands. 

 a^. Basal two segments of ab- 

 domen black S. ivda, p. 133, 



b*. Only basal segment of abdo- 

 men black. 

 a°. Head and antennpe fulvous 

 or ferruginous, with ferru- 

 ginous or golden pile .... S. sinensis, p. 133. 

 b^. Head black ; antennae only 



ferruginous or yellow .... S. indicus, p. 134. 

 c*. The entire abdomen ferru- 

 ginous red, only the extreme 

 base narrowly black S. smithii, p. 134. 



B. Tai'sal claws unidentate or bifid. 



a. Wings fuscous, fuscous brown or black, 

 with generally a brilliant purple-blue 

 or green effulgence. 



a'. Head beneath bituberculate S. tuberctdatiis, p. 135. 



b'. Head normal, not tuberculate be- 

 neath. 

 or. Fore wing variegated with yellow 



hyaline spots S. zelotypus, p. 135. 



b'. Fore wing with an irregular yellow 



hyaline patch or bar on the disc. . ^S". venatorius, p. 136. 

 C-, Fore wing with a portion of the 

 1st discoidal and 2nd submedial 



cells clear hyaline S. placidus, p. 136. 



d^. Both wings entirely fuscous or 

 fuscous brown. 

 a^. Head, thorax, and abdomen 

 fulvous red, the last with trans- 

 parent black bars S. nicevillit (var.), p. 141. 



