366 Mr. A. H. Haliday’s Descriptions of Dipterous Insects. 
25. cupreus. D. obscure cupreus, hypostomate albo, antennis pedibus- 
que nigris, tibiis ferrugineis, alis fuscanis. 
(Mas) lamellis nigris. 
Meig. IV, 98, 42. 
Fall. Dol. 15, 15. 
Long. corp. 2. 
4 A common and generally diffused species. | 
26. Sarus. D. obscure viridi-cneus, capite albido, pedibus lutescentibus 
tarsis apice nigris, alis cinereis, antennarum seta pubescente. 
(Mas) lineola costali nigra, lamellis fusco-luteis. 
Long. corp. vix 2. 
Antenne nigre: Frons et hypostoma albidee: Thorax absque lineis 
versicoloribus: Halteres pallidi: Ale maris angustiores quam femine, 
lineola costali brevi crassa nervum 1™™ sybcostalem haud attingente : 
Coxe nigro-cineree: Femora antica et apex posticorum supra infuscata : 
Metatarsus posticus brevissimus. 
q A pair near Holywood. ] 
Confer D. celerem, Meig. IV, 84, 18, et vividum, 100, 48. 
27. @rosus. D. obscure eneo-viridis, antennis nigris, pedibus 
ferrugineis coxis nigricantibus, hypostomate (mas) nigro aut 
(femina ) albido. : 
Meig. IV, 98, 43. 
Long. corp. 1—1£. 
Lamelle maris nigre, femora postica supra seepius fusca. 
~ @ Common and generally diffused.] 
28. nigripennis. D. obscure eneus, coxis pedibusque nigris, tibiis 
anterioribus rufescentibus, alis fuscis. 
Meig. IV, 102, 52. 
Fall. Dol. 15, 16. 
Long. corp. 13. 
Lamelle maris nigre. Os rostriforme productum et brevius quam in 
Orthochile nigrocerulea. 
q A rather common and generally diffused species. ] 
* [ have yet another species of this section from the west of Ireland : 
it is larger than D. erosus, with pale lamelle, but [ have not yet suffici~ 
ently investigated its characters. 
