MYCETOBIA. 49 



depressum. Fades pilosa. Oculi reniformes. Ocelli tres, fere aequales ; 

 intermedius anticus, lateralibus vix minor. Palpi 4-articulati, gra- 

 ciles. Antennae latiuscuke, fere cylindricaB, 1 7-articulatae, corporis 

 dimidio non longiores ; articulus septimus-decimus minimus. Thorax 

 subrotundus, corivexus. Scutellum parvum. Alee sat latse, pubes- 

 centes ; vena subanalis simplex. Halteres breves. Abdomen cylin- 

 dricum, segmentis 7, thorace multo longius. Pedes gracile*s, sat 

 breves, subpubescentes ; femora valida ; tibia graciles, calcaratae, 

 postica spinis nonnullis minimis. 



Body linear, nearly bare, rather short. Head round, flat above. Face 

 pilose. Eyes reniform. Ocelli three, the middle one in front, hardly 

 smaller than the others. Palpi four-jointed, slender. Antenna seven- 

 teen-jointed, rather stout, almost cylindrical, not more than half the 

 length of the body ; seventeenth joint very small. Thorax nearly round, 

 convex. Scutellum small. Wings moderately broad, pubescent, parallel 

 in repose ; subcostal vein ending at much less than half the length of 

 the wing ; radial springing from the subcostal near its base, ending at 

 a little in front of the tip of the wing ; cubital and subapical long, 

 springing from an angular transverse veiulet, the latter forked at a 

 little before half its length; subanal simple ; anal reaching the border. 

 Halteres short. Abdomen much longer than the thorax, cylindrical, 

 with seven segments. Legs rather short, slightly pubescent ; femora 

 stout ; tibiaB slender, armed with spurs at the tips ; hind tibia with some 

 slender and very short lateral spines. 



1. ferruginosa, Meig. Zw. vi. 294 (1830) ; Winn. favicans, 

 Ruthe. Wlnthemi, Mcq. testacea, Zett. Tota ferruginea, aKs fulves- 

 centibus, tarsis fuscis. Long. 1 ; alar. 3 lin. 



Rare. Has been found by Mr. Haliday at Killarney. (I.) 



Genus XI MYCETOBIA. 



MYCETOBIA, Meig. Zw. i. 229 (1818); Mcq.; Winn. 



Corpus lineare, breviusculum, fere nudum. Caput rotundum, supra 

 depressum. Oculi reniformes. Ocelli tres; intermedius anticus, 

 parvus. Palpi 4-articulati. Antenna? latiuscula?, 17-articulatse, cor- 

 poris dimidio non longiores ; articulus septimus-decimus minimus. 

 Thorax fere ellipticus. Ala? sat latse ; vena subanalis fur cata. Hal- 

 teres breves. Abdomen thorace multo longius. Pedes latiusculi, 

 sat breves, subpubescentes ; tibia calcaribus minimis, non spinosa. 

 Body linear, nearly bare, rather short. Head round, flat above. 

 Eyes reniform. Ocelli three ; the middle one small, in front. Palpi 

 four-jointed. Antennae stout, sixteen-joirited, rather less than half the 

 length of the body. Thorax nearly elliptical. Wings moderately broad ; 

 subcostal vein ending at a little beyond two-thirds of the length of the 

 wing. Radial emerging from the subcostal at half the length of the 



VOL. IV. H 



