ORTALI8. 195 



a. Third joint of the antenna pointed. 



b. Third joint of the antennae much longer than the second. 



c. Legs pale. Melieria, Desv. Ceroxys p., Mcq. Species 1, 2. 



c c. Legs piceous. Meckelia, Desv. Species 3. 

 b b. Third joint of the antennae full thrice the length of the second. 



Rivellia, Desv. Species 6. 

 a a. Third joint of the antenna? not pointed. 

 b. Tarsi black. Henna, Mcq. Species 4. 

 b b. Tarsi ferruginous. 



c. Wings with four black bands. Herina, Mcq. Species 5. 



c c. Wings with two black spots. Seioptera, Kby. Species 7. 



1. crassipennis, F. E. S. iv. 357. 185 (1792); FaL; Meig. ; 

 Mcq. ; Zett. gangranosa, Desv. Nigra, cano-tomentosa, capite albido, 

 vertice luteo, antennis fulvis, alis albidis fusco-quadrifaseiatis, abdomine 

 fusco-fasciato, pedibus testaceis, femoribus nigris. Long. 3^; alar. 7 lin. 



Black, with hoary tomentum. Head whitish ; vertex luteous. An- 

 tennae tawny ; third joint conical, pointed and curved upward at the 

 tip, much longer than t]ie second. Wings whitish, with four brown 

 bands ; first, second, and fourth shortened hindward ; third interrupted ; 

 fourth apical; radial vein ending beyond five-sixths of the length of 

 the wing ; cubital and praebrachial veins hardly diverging between the 

 transverse veins, almost parallel from the discal transverse to the bor- 

 der; discal transverse hardly undulating, slightly oblique, parted by 

 much more than its length from the praebrachial transverse, and by 

 much less than half its length from the border. Halteres whitish. 

 Abdomen with brown bands. Legs testaceous; femora black. Fern. 

 Oviduct short, lanceolate, ferruginous, shining. 



Not rare. (E. I.) 



2. omissa, Meig. Zw. v. 274. 2 (1826); Mcq. Cano-tomentosa, 

 capite flavo, palpis antennisque fulvis, alis albis, macula basali fasciisque 

 tribus fuscis, pedibus testaceis, tarsisfuhis. Long. 3; alar. 7 lin. 



Black, with hoary tomentum. Head pale-yellow. Epistoma not 

 prominent. Proboscis ferruginous. Palpi tawny. Antennae tawny; 

 third joint subconical, much acuminated, hardly retuse or inclined up- 

 ward at the tip. Wings white, with a brown spot near the base, and 

 with three brown bands ; first and second bands shortened hindward 

 and interrupted ; fourth apical ; radial vein ending at about seven- 

 eighths of the length of the wing ; cubital and praebrachial veins very 

 slightly diverging between the transverse veins, nearly parallel from 

 the discal transverse to the tip ; discal transverse vein almost straight 

 and upright, parted by much more than its length from the praebrachial 

 transverse, and by less than half its length from the border. Halteres 

 pale testaceous. Legs testaceous ; tarsi tawny. 



Not common. (E.) 



3. Urticse, L. Fn. 1875 (1761); F.j Gmel.; Fal.; Meig.; Mcq.; 



