LIST OF DIPTERA. 11 1 



Africa. 



7. StJBULA NIGBITIBIALIS. 



Atra ; abdominis incisures, faminaque discus pallida ; pedes flavi, 

 tibiis tarsisque posiicis nigris. 



Subula nigritibialis, Macq. Hist. Nat. des Canaries de Webb et 



Berthelot, 102, 12; Dipt. Exot. i. 1, 17 J, 1. 

 Canary Isles. 



Genus 6. DIALYSIS. 



Dialysis, Diptera Saundersiana, Pt. 1, 4. 



Antennarum articuli I us et 2us breves ; 2us lo paullo brevior 

 3us conicus, 2o non longior; seta terminalis pubescens, articulo lo 

 plus triplo longior. 



1. Dialysis dissimilis. 



Dialysis dissimilis, Diptera Saundersiana, Pt. 1, 4. 

 Xylophagus Americauus ? Cat. of Diptera, Pt. 1, 128. 

 North America. 



Genus 7. PHYCUS. 



Phycus, Diptera Saundersiana, Pt. 1^ 2. 



Antennarum articulus lus longissimus, 2o bis quadruplo lon- 

 gior; 3us fusiformis, 2i dimidio non brevior; 4us conicus, mini- 

 mus. Abdomen compressum. 



1. Phycus canescens. 



Phycus canescens, Diptera Saundersiana, Pt. 1, 2, pi. 1, f. 5. 

 Xylophagus canescens, Walk. Cat. Dipt. B. M., Pt. 1, 129. 

 North Bengal. 



Mediastinal vein ending at a little before half the length of the 

 wing. Subcostal ending at before two-thirds of the length. Radial 

 ending at about three-quarters of the length. First branch of the 



L2 



