Species e»/Erioceia in the British Museum. 73 



than broad ; whole body orange. (Hima- 

 layas.) aurantitty Brun. 



Cell Ml about as long as its petiole ; 

 discal cell rather elongate ; wings nar- 

 rower in proportion 32. 



32. r-m cross-vein twice its length beyond 



fork of Rs; head black above. (Borneo.) rubrescens {y^&Yk.). 

 r-m cross-vein close to fork of Rs ; head 

 lighter 33. 



33. Thorax uniformly orange. (Borneo.) . . pyrrhochroma (Walk.). 

 Thorax brownish yellow, with three light 



reddish-brown stripes. (Sumatra.) . . ^angustipennis (End.). 



34. Wings without distinct markings 35. 



Wings with distinct white or yellowish 



markings at the tip, or in the middle, 

 br in both places (markings faint in 

 robinsoni) 57. 



35. Abdomen without distinct shining bands. 36. 

 Abdomen black, with alternating shining 



and velvety bands 55. 



36. Metatarsi white. (S. Europe.) ^chirothecata (Scop.). 



Metatarsi not white (unknown in water- 



stoni) 37. 



37. Abdomen entirely black ; five posterior 



cells 37 «. 



Abdomen at least partly orange 40. 



37 fl. Head and base of anteunfe orange. (Mada- 

 gascar.) *obscura, Big. 



Head and antennae dark 38. 



38. Thorax grey, with three shining black 



stripes ; wings light brown. (Corsica.) schnusei (Kuntze). 

 Thorax black ; wings blacliish 39. 



39. Thorax dull ; abdomen somewhat shining. 



(Macedonia.) vmterstoni, sp. n. 



Thorax shining; abdomen dull *untcolor, Meij. 



40. Wings darkest along costa and on apical 



third; five posterior cells 41. 



Wings uniformly dark (rarely yellow at 

 the base) 42. 



41. Abdominal segments 1-3 [or 2-4?] 



orange. (Java ; Formosa.) ^nigripennis, Meij. 



Abdominal segments 2-5 orange, with semiliminda, Brun. 

 narrow blackish hind borders. (India.) \_{=maculiventris, Brun.). 



42. Abdomen with segments 1-4 or 2-5 en- 



tirely yellow or orange ; 5-8 or 6-8 

 entirely blackish ; five posterior cells 



(except in shirakii) 43. 



Abdomen otherwise coloured ; foui" pos- 

 terior cells 48. 



43. Thorax mainly or wholly red 44. 



Thorax black 45. 



44. Thorax with dark stripes ; femora yellow 



except at tip ; six distinct flagellar 



joints in female *ferruginosa, Wulp. 



Thorax unstriped ; femora black except 

 at base ; ten distinct flagellar joints in 

 female ^nigroapicalis, Brun. 



