LIST OF DIPTERA. 7 



Mediastinal vein ending at far beyond half the length of the 

 wing. Subcostal and radial ending at about three-fourths of the 

 length. First branch of the cubital short, slightly curved, ending 

 at much before half the distance between the radial and the tip of 

 the second branch which is some little distance in front of the tip of 

 the wing. First, second and fourth externo-medial veins complete ; 

 third incomplete. Subanal vein very robust, joining the anal at 

 some distance from the border. Median veinlet distinct, short. 

 Discal areolet heptagonal. 



1. DlPHYSA SPINIGER. 



Xylophagus spiniger, Wied. Cat. Dipt. Brit. Mus. 

 Beris Servillei, Macq. Dipt. Exot. i. 1, 172, 1, pi. 21, f. 1 ; Suppl 

 i. 47, 1. 



a—f. Auckland, New Zealand. Presented by Col. Bolton. 



2. DlPHYSA APICALIS. 



Diphysa apicalis, Cat. Dipt. Brit. Mus. 



a — /. Auckland, New Zealand. Presented by Col. Bolton. 



3. DlPHYSA? RUFIPALPIS. 



Nigra ; antenna articulo So basi fulvo ; scutellum quadrispino- 

 sum ; pedes nigro-picei, tarsis posticis femoribusque basi albo- 

 Jlavis, tarsis anticis fulvescentibus ; alee maculis duabus fuscis. 



Xylophagus rufipalpis, Wied. Auss. Zweifi. ii. 619, 10. 

 Diphysa rufipalpis, Macq. Dipt. Exot i. 1, 172. 

 Beris rufipalpis, Loew, Ent. Zeit. Stett. vi. 306, 13. 

 Mexico. 



4. Diphysa ? sexspinosa. 



Ccerulea ; thorax flavo bivittatus, scutello sexspinoso: alafuscance i 

 stigmateflavido. 



Diphysa? sexspinosa, Macq. Dipt. Exot. Suppl. i. 46, 1, pi. 5, f. 1. 

 Brazil. 



