68 MYCETOPHILID^E. 



13. tiiscoloria, Meig. Zw. i. 239. 14 (1818); Mcq. discolor, 

 Wahlb. ; Zett. Fulva, subtus testacea, palpis, halteribus pedibusque 

 testaceis, antennis nigris, alis subtestaceis, abdomine fasciis fuscescenti- 

 bus. Long, lf-2 ; alar. 2-4 lin. 



Tawny, testaceous beneath. Palpi testaceous. Antennae black, 

 rather slender, shorter than the thorax. Wings with a very slight 

 testaceous tinge. Halteres testaceous. Fore borders of the abdominal 

 segments more or less brownish. Legs testaceous ; tarsi brownish. 



Generally distributed. Frequents the lime-tree. (E. S. I.) 



14. concisa, n. Nigra, palpis, halteribus, abdominis fasciis pedi- 

 busque testaceis, pectore thoracisque lateribus piceis, alis subcinereis, 

 tarsis fuseescentibus. Long. 2 ; alar. 4 lin. 



Black, Palpi testaceous. Antennae testaceous at the base. Pectus 

 and sides of the thorax piceous. Wings greyish. Halteres testaceous. 

 Hind borders of the abdominal segments testaceous. Legs testaceous ; 

 tarsi brownish. 



Rare. (E.) 



Genus XXII. MACROCERA. 



MACROCERA, Meig. Zw. i. 222 (1818); Curt.; Mcq.; Zett. 



Corpus gracile, subliiieare, longum, pubescens. Caput parvura. Oculi 

 rotundi. Ocelli 3, intermedius parvus, ante positus. Palpi 4-articu- 

 lati, breves, subincurvi. Antenna 16 -articulates, gracillima, corpora 

 aquales ant triplo longiores. Thorax brevis, ellipticus. Alee latius- 

 culae ; vena cubitalis furcata. Halteres breves. Abdomen lineare 

 aut sublineare, thorace triplo aut quadruple longius. Pedes longi, 

 graciles ; tibice non spinosce, calcaribus minimis. Mas. Antennae lon- 

 giores, apice pilosae. Fcem. Antennae breviores. 

 Body slender, pubescent, nearly linear. Head small. Eyes round. 

 Ocelli three, the middle one very small, in advance of the others. 

 Labium forming two large pubescent lobes. Palpi four-jointed ; first 

 joints longer than the second, or than the third ; fourth as long as the 

 first. Antenna sixteen-jointed, very slender, as long as the body, or 

 thrice its length. Thorax short, elliptical. Wings moderately broad ; 

 subcostal vein slightly curved forward at its tip, ending at much before 

 half the length of the wing ; radial curved upwards at its tip, ending at 

 a little beyond half the length ; cubital forked, springing from the radial 

 at before one-third of the length, near which it forms a very obtuse 

 angle at its junction with the transverse veinlet enclosing the prasbra- 

 chial and pobrachial areolets, and is slightly curved from thence to its 

 end, which is at very little in front of the tip of the wing ; its fore fork 

 is oblique, and ends at a little beyond two-thirds of the length of the 

 wing ; subapical emerging from the cubital at before half the length, 

 near which it is forked, and its fore fork ends at the tip of the wing ; 



