56 MYCETOPHILIDjE. 



22. p alii da, n. Testacea, sat yracilu, capite antennisque nigris, 

 alls limpidis, venis pallidis, tarsis nigricantibus. Long. \ ; alar. 1 lin. 



Testaceous, ratter slender. Head and antenna black. Wings lim- 

 pid ; veins pale ; radial vein much shorter than half the length of the 

 wing, and not extending near to the fork of the subapical. Tarsi 

 blackish. 



Rare. (E.) 



23. compressa, Walk. C. D. B. M. i. 110 (1848). Testacea, 

 gracillima, capite antennisque nigris, alis limpidis, venis pallidis, tarsis 

 fuscis ; Fcem. abdomine elongate. Long. H ; alar- H lin. 



Testaceous, very slender. Head black. Antenna) black, as long as 

 the thorax. Wings limpid; veins pale; radial rather less than half 

 the length of the wing, not extending to the fork of the subapical. 

 Abdomen thrice the length of the thorax. Tarsi brown. 



Rare. In the British Museum. (E.) 



24. brevipennis, Walk. C. D. B. M. i. 110 (1848). Testacea, 

 capite antennisque nigris, alis minimis, abdominis segmentis nigro-fas- 

 ciatis, tarsis fuscis. Long. ; alar, f- lin. 



Testaceous. Head and antennae black. Wings very short and 

 narrow. Hind borders of the abdominal segments blackish. Tarsi 

 brown. 



Rare. In the British Museum, and in the collection of Mr. 

 Haliday. (E. I.) 



Genus XIII. EPIDAPUS. 



EPIDAPUS, Haliday, Ins. Brit. Dipt. i. 7 (1851). CJiionea p., Hal. Curt. 

 Guide, 1164, b. 



Thorax e supra visus quasi conicus, postice valde corapressus. Ala et 

 halteres nulla. Abdomen apud medium incrassatum, apice attenuatum 

 decurvum ; oviductus valvulis duabus ordinariis linearibus obtusis 

 pubescentibus liberis. 

 Thorax much compressed behind, so as to seem conical from above. 



Wings and halteres wholly obsolete. Abdomen incrassated in the middle ; 



tip attenuated, decurved, furnished with the ordinary two linear obtuse 



pubescent and free valves of the ovipositor. 



1. venations, Hal. Curt. Guide, 1164 \ 1 (1837). Nigra, gracilis, 

 pedibus testaceis. Long. ^ lin. 



Black, slender. Legs testaceous. 



Rare. Holywood, near Belfast. In Mr. Halida/s collec- 

 tion. (I.) 



