LIST OF DIPTERA. 243 



Group III. 



Anthrax heros, Wiecl. Zool. Mag. iii. 8, 11. Dipt. Exot. i. 126, 

 10. Auss. Zweif. i. 265, \&, Div. 3, pi. 3, /. 3. Exoprosopa 

 Heros, Macq. Dipt. Exot. ii. 1, 46, 26. 



Variation in the wing-veins. The fifth posterior cell has a lit- 

 tle areolet at its base. 



a. Cape. 



Anthrax Satyrus, Fabr. Ent. Syst. iv. 259, 13. Wied. Auss. Zweif. 



i. 322, 95, Div. 3. Bibio Satyrus, Fabr. Syst. Ent. 758, 10. 



Mant. Ins. ii. 329, 16. 

 a. Georgia. From Mr. Abbot's collection. 



Anthrax ignifer, n.s., Div. I., Wied., fem. Picea, capite scutello 

 abdomineque ferrugineis, thoracis lateribus albo subvittatis, ab- 

 domine fascia basi maculisque lateralibus albo pilosis, maculis- 

 que dorsalibus nigris, antennis pedibusque nigris, alls limpidis 

 fusco trivittatis. 



Body dark piceous : head very dark ferruginous, somewhat 

 paler beneath : feelers and mouth black : breast and sides and fore 

 i border of the chest clothed with red hairs : a band of white hairs 

 around and beneath the wing-ribs interrupted towards the middle 

 of the breast: scutcheon and abdomen dark ferruginous, the latter 

 I with a row of black spots on the back : a band of white hairs at the 

 base and white spots on each side ; the tendency of these spots to 

 form bands may be indistinctly traced across the back ; under-side 

 thickly clothed with ferruginous hairs : legs black, pubescent : wings 

 colourless, long, brown mingled with ferruginous colour along the fore 

 border, and thence sending forth three broad brown bands towards 

 i the hind border ; the first band at the base occupies the whole breadth 

 i of the wing ; the second is oblique and irregular, and does not 

 i reach the hind border, but is joined to the first by two clouded lon- 

 gitudinal veins ; the third is small, club-shaped and irregular, and 

 I also falls short of the hind border ; wing-ribs and veins ferruginous, 

 | the latter piceous towards the tips ; poisers tawny. Length of the 

 1 body 7| — 8 lines ; of the wings 20 — 21 lines. 

 a. Jamaica. 



Anthrax insularis, n. s., Div. I., Wied. Picea, scutello abdomine- 

 que ferrugineis, abdomine maculis dorsalibus t trigonis nigris, 

 apice albo fasciato, pedibus ferrugineis, alis fuscis, vittis sub- 

 limpidis, incisura postica, guttis duabus, apiceque limpidis. 



Head wanting : chest and breast piceous : breast and sides of 

 ■ the chest clothed with ferruginous hairs ; scutcheon and abdomen 

 PART II. Z 



