366 Mr. A. H. Haliday's Descriptions of Dipterous Insects. 



25. cupreus. D. obscure cupreus, hypostomate albo, antennis pedibus- 



quenigris, tibiis ferrugineis, alis fuscanis. 

 (Mas) lamellis nigris. 



Meig. IV, 98, 42. 



Fall. Dol. 15, 15. 



Long. Corp. 2. 



^ A common and generally diffused species.] 



26. Sarus. D. obscure viridi-seneus, capite albido, pedibus lutescentibus 



tarsis apice nigris, alis cinereis, antennarum seta pubescente. 

 (Mas J lineolcl costali nigra, lamellis f^jsco-luteis. 



Long. Corp. vix 2. 

 Antennae nigrse: Frons et hypostoma albidse: Thorax absque lineis 

 versicoloribus : Halteres pallidi : Alee maris angustiores quam feminee, 

 lineola costali brevi crassa nervum Imum subcostalem baud attingente : 

 Coxae nigro-cinereae ; Femora antica et apex posticorum supra infuscata : 

 Metatarsus posticus brevissiraus. 



% A pair near Holy wood,] 

 Confer D. celerem, Meig. IV, 84, 18, et vividum, 100, 48. 



27. cerosus. D. obscure aeneo-viridis, antennis nigris, pedibus 



ferrugineis coxis nigricantibus, hypostomate (mas) nigro aut 

 (femivM) albido. 



Meig. IV, 98, 43. 

 Long. corp. 1 — \\. 

 Lamellae maris nigrae, femora postica supra saepius fusca. 

 ^ Common and gerierally diffused.] 



28. nigripennis, D. obscure seneus, coxis pedibusque nigris, tibiis 



anterioribus rufescentibus, alis fuscis. 

 Meig. IV, 102, 52. 

 Fall. Dol. 15, 16. 

 Long. corp. 1 J. 

 Lamellae maris nigrae. Qs rostriforme productum et brevius quam in 

 Orthochile nigrocoerulea. 



^ A rather common and generally diffused species.] 

 * I have yet another species of this section from the west of Ireland : 

 it is larger than D. eerosus, with pale lamellce, but I have not yet suffici- 

 ently investigated its characters. 



