112 EMPIDvE. 



approximate ; articuli primus et secundus brevissimi ; primus sub- 

 cylindricus; secundus cyathifonnis ; tertius longus, compressus, 

 subuliformis, quinto longior ; quartus et quintus brevissimi ; quintus 

 stylatus. Thorax ovatus, gibbosus. Vena cubitalis simplex ; vence 

 externo-media 3. Alulae integrae, angustae, ciliatae. Coxae femoribus 

 breviores. Pedes postici anterioribus paullo longiores, femora postica 

 subincrassata, subtus plerumque spinulosa; tibia postica arcuata, 

 femoribus breviores. 

 Mas. Oculi connexi. Anus obtusus. 

 Fcem. Oculi paullo discreti. Anus acuminatus. 



Body black, rather long, smooth, shining. Head round. Eyes 

 red, parted above by a suture ; all the facets very small. Ocelli 3, on 

 the crown. Proboscis horizontal, shorter than the head. Palpi dilated, 

 compressed. Antenna? 5-jointed, porrect, longer than the head, ap- 

 proximate at the base ; first and second joints very short, of equal 

 length ; first almost cylindrical ; second cyathiform ; third compressed, 

 subuliform, longer than the fifth ; fourth and fifth very small, hardly 

 visible; fifth stylate. Thorax oval, gibbose. Wings large, obtuse, 

 very finely pubescent ; cubital vein simple ; 3 externo-medial veins arising 

 from a trapeziform discal areolet. Alulae entire, narrow, fringed. 

 Halteres uncovered, with large knobs. Abdomen with 7 segments, 

 cylindrical, pubescent. Coxa shorter than the femora ;' anterior legs 

 slender, of equal length ; hind legs long ; hind femora thick, bristly 

 beneath from the middle to the tips ; hind tibia curved, shorter than the 

 femora. 



Male. Eyes united. Abdomen obtuse at the tip. 

 Fern. Eyes parted by a narrow interval. Tip of the abdomen 

 acuminated. 



These flies inhabit the leaves of shrubs, and herbage in woods ; 

 they move slowly; their flight is heavy, and they often hover in 

 the air. The female lays its eggs in the decayed trunks of trees. 

 The difference between (Edalea and the typical Micropkori con- 

 sists in the shorter curved hind tibiae, and somewhat thicker 

 and spined hind femora, and rather longer proboscis of the 

 former. 



1. stigmatella, Ztt. d. s. i. 216. 2 (1842). Nigra, antennis 

 fuscis, alis subfuscis, abdominis basi fusca subtus fulva, pedibus fulvis, 

 tibiis posticis tarsisque fuscis. Long. If ; alar. 3-J lin. 



Black, shining, thinly clothed with tawny hairs. Proboscis and 

 antenna brown. Wrings slightly tinged with brown ; stigma brown. 

 Halteres yellow. Abdomen glossy at the base, brown above, tawny 

 beneath. Legs tawny, clothed with short yellow hairs ; hind femora 

 armed beneath with black spines; tarsi and hind tibiae brown; an- 

 terior tibiae sometimes dark tawny. Male. Abdomen silky. Hind 

 femora brown on nearly half the length from the tips. Fern. Pleurae 



