ASARCIXA. 23 



band not divided, never constricted to- 



wards its middle ; wings greyish hyaline; 



scutellum pale yellow ; eyes of the male 



touching along a line longer than 1 mm.; 



abdominal segments yellow on the lateral 



border. 

 (7) Black abdominal bands very narrow, linear, 



in the male usually three in number, that 



of the last segment being wanting- or much 



reduced ; supra-antennal spot wanting or 



small ; scutellum pale-bordered at the 



ba>e .......................... ertcetonim typica, Bezzi. 



(6) Black abdominal bands twice as broad as 



in the preceding species, not linear, alwas 

 four in number, that on the last s 



segment 



being well developed even in the male ; 

 supra-antennal tubercle with a broad, 

 glittering black spot ; scutellum wholly 

 black-haired ................ ericetonun yemmata, var. n. 



8 (o) First abdominal segment with a broad black 



spot, which is triangularly produced be- 

 hind : first yellow band therefore inter- 

 rupted in the middle by a black line or 

 strongly constricted. 



9 (10) Black bands on the abdomen linear as in 



tt//>ica', wings yellowish hyaline; scu- 

 tellum pale, with faint bluish reflexions, 

 clothed with pale hairs except at hind 

 border ; eyes of the male touching for 

 1 mm. ; lateral borders of the abdominal 

 segments yellow .......... ericeforum usambarensis, Bezzi. 



10 (9) Black abdominal bands broad, even broader 



than in ge.mmata ; wings strongly infus- 

 cated; scutellum much darkened, almost 

 blackish towards the base, clothed with 

 w r holly black hairs ; third and fourth 

 abdominal segments with a black lateral 

 border .................... ericeforum punch f runs, Aust. 



11 (4) Sides of face with a rich shining white 



toraentum, with opalescent reflexions, and 

 clothed with white hairs ; first yellow 

 band not divided ; black bands narrow ; 

 scutellum black-haired; wings greyish 

 hyaline .................... ericttorum ttlbifacies, var. n. 



12 (3) Frons clothed with pale hairs, in the female, 



at least on the anterior half, less promi- 

 nent, the supra-antenual tubercle less 

 produced and always without a bl.ick 

 spot: wingsshort; black abdominal baiuU 

 narrow ; h'rst yellow band interrupted in 

 the male; scutellum with black hairs on 

 the hind border; sides of face dull yel- 

 lowish ; eyes of the male touching' for 

 1 mm ....................... ericetonun africinut, Bezzi. 



13 (2) Frons wholly flattened, without prominent 



tubercle, entirely yellow ; scutellum 



