494 Mr. G. Meade- Waldo's revision of the species of 



61. (60) Anterior margin of pronotuni and abdominal fasciae on seg- 



ments 1 and 2 broad ; scutellum largely marked with yellow. 



62. (63) Vertex ferruginous; abdoiuinal segments 1 and 2 ferru- 



ginous with yellow apical fasciae. . piilrhellits. Gerst. 



63. (62) Vertex black; abdomen witli oonsidorable black markings. 



sohl it ialig. Sauss . 



64. (55) Clypeus apically truncate. 



65. (66) Mesonotum ferruginous; scutellum and postscutellum 



yellow, anterior margin of pronotum broadly yellow. 

 Male fervuliis, Sauss. 



66. (65) Mesonotum black; scutellum and postscutellum ferru- 



ginous, anterior margin of pri>notum narrowly yellow. 

 Female tropicah\i, Sauss. 



67. (l)Postsoutellum without lateral tubercles. 



68. (140) Median segment without any dorsal area behind the 



postscutellum. 



69. (86) Postscutellum with hind margin transverse, truncate. 



70. (81) Sides of median segment with carinae, often serrate. 



71. (72) Upper margin of postscutellum 3-tuberculate, mesonotum 



with 2 conspicuous carinae approximating posteriorl3^ 



cariuitlatiis, Sauss, 



72. (71) Upper margin transverse, usually crenulate. 



73. (76) Upper angles of median segment separated from sides of 



postscutellum by a distinct tissure; colours yellow and 

 ferruginous, 



74. (75) Wings hyaline, only the radial cell fuscous, prothorax 



yellow on the anterior margin, , rhynclwides, Sauss, 



( = saussiirei, Andr6), 



75. (74) Wings fuscous except basal third, prothorax ferruginous. 



pseudolateralis, sp, n, 



76. (73) No fissure separating median segment from postscutellum, 



77. (80) Larger species, about 13 mm. (to apex of tergite 2); wings 



bicolorous. 



78. (79) Abdomen orange, segments 1 and 2 and a dorsal longi- 



tudinal mark, black; wings bluish, costal area ferru- 

 ginous tectus, Fab. 



79. (78) Black and ferruginous, wings basally flavohyaline, apically 



bluish meyeri. Cam. 



tergite 2 with narrow interrupted white apical fascia. 



var. albolimbaius, Schulthess. 



80. (77) Smaller species, about 9 mm. (to apex of tergite 2). Wings 



unicolorous. Thorax black and ferruginous, tergite 2 

 with yellow apical fascia, wings fuscohyaline, 



eurysfilus, Cam, (= broomi, Cam,), 



