102 EMPID.E. 



19. thoracica, Mq. d.n. 115. 14 (1827); Mg. Fulva, antennis 

 nigris, alls cinereis, tarsis fuscis ; Mas. abdomine fusco. Long. 2 ; 

 alar. 5 lin. 



Tawny, shining >, slightly hairy. Proboscis, palpi, and antenna black ; 

 fourth joint of the antenna longer than the third. Wings grey ; stigma 

 brown ; veins black, tawny towards the base ; fork of the third longi- 

 tudinal vein long, much curved near the base. Tarsi brown. Male. 

 Abdomen brown. Fore metatarsi very long, slightly dilated. 



Common in woods ; not gregarious. (E.) 



20. obscura, Mg. zw. iii. 11. 20 (1822). Nigra, alls sublimpidis, 

 halteribus pedibmque fuscis, tarsis nigris. Long. 1J ; alar. 3 lin. 



Black y hairy. Wings almost colourless ; stigma dark brown ; veins 

 black. Halteres dark brown. Legs brown ; knees tawny ; tarsi black. 

 Rare. In the collection of the Entomological Club. (E.) 



Genus III. RAGAS. 



BAGAS, Wlk. e. m. iv. 229 (1837). 



Proboscis incurva, capite multo brevior. Antenna 5 -articulates ; arti- 



culus tertius quinto longior. Alarum vena cubitalis furcata. Coxae 



femoribus breviores. 



Proboscis incurved, much shorter than the head. No maxilla. Palpi 

 obovate. Antenna with the first joint shortest ; third joint longer than 

 the fifth. Wings with the cubital vein forked. Coxa slwrter than the 

 femora. 



Male. Proboscis shorter. Middle femora with an erect spine at the* 

 middle of the underside. 



1. unica, Wlk. e. m. iv. 229. 1 (1837). Atra, pubescens, alis 

 nigro-fuscis ad costam obscurioribus. Long, f-1 ; alar. 1 J 1 lin. 



Black, dull, rather short, not hairy. Proboscis slender, twice the 

 length of the head. Wings dark brown ; no stigma. Abdomen 

 tapering, a little longer than the thorax. Legs moderately long. 



Bare ; appears in woods. In the collections of the Entomo- 

 logical Club and of Mr. Haliday. (E. I.) 



Genus IV. BRACHYSTOMA. 



BEACHYSTOMA, Mg. zw. iii. 12 (1822); Mq. Brachystoma^., Ztt. 



Proboscis capitis longitudine. Antenna 4-articulata3 ; articulus primus 

 cylindricus ; secundus cyathiformis ; tertius conicus, quarto brevior ; 

 quartus longissimus, setiformis. Alarum vena cubitalis furcata; 

 costalis ad ala apicem desinens. Coxa femoribus breviores. 



