HELOMYZA. . 161 



The following additional species of Sciomyza have been recorded 

 as British : 



1. simplex, Fal. 4. notata, Meig. 



2. glabricula, Fal. 5. nigrimana, Meig. 



3. griseola, Fal. 



Genus VII. HELOMYZA. 



HELOMYZA, Hal. Westw. Class. 1. 145 (1839). Musca p., F.; Schr. 



Helomyza p., Fal. ; Meig. ; Mcq. 

 Corpus oblongum, subsetosum. Antennarum articulus tertius conicus, 



secundo duplo longlor ; arista plumosa. Alee mediocres ; vena costali 



spinosa. 



Body oblong, with a few bristles. Front flat ; face nearly vertical ; 

 sides of the peristoma slightly projecting. Antenna nearly reaching 

 the epistoma; third joint conical, about twice the length of the second ; 

 sixth slender, plumose with long hairs or pubescent. Thorax elliptical. 

 Wings moderately long ; costal vein armed with short spines, ending on 

 the hind border near the tip ; subcostal ending before one-third of the 

 length ; mediastinal ending much before half the length ; radial ending 

 at about seven-eighths of the length ; cubital and prsebrachial slightly 

 diverging between the transverse veins, nearly parallel from the discal 

 transverse to the border. Legs hairy, with a few bristles. Male. Ab- 

 domen linear. Fern. Abdomen long-obconical. 



1. rufa, Fal. Helom. 4. 2 (1820); Meig.; Mcq.; Zett. Fulva, 

 capite flavo, arista plumosa, thorace ferrugineo-bivittato, alis cinereis 

 fusco-variis maculisque duabus connexis apicalibus albidis, abdomine ni- 



gro-fasciato, pedibus testaceis. Long. 2^ ; alar. 5 lin. 



Tawny. Head yellow, whitish, testaceous in front and beneath. 

 Antenna tawny ; sixth joint black, plumose. Thorax with two ferru- 

 ginous stripes. Pectus testaceous. Scutellum flat, blackish at the 

 base. Wings grey, brown towards the tips, where are two whitish con- 

 nected spots; transverse veins clouded with brown; discal transverse 

 slightly oblique, nearly straight, parted by twice its length from the 

 praebrachial transverse, and by a little less than its length from the 

 border. Halteres and legs testaceous. Abdomen with blackish con- 

 nected bands on the hind borders of the segments. 



Generally distributed. (E. S. I.) 



2. flava, Meig. Zw. 6. 50. 3 (1830). Fulva, arista plumosa, tho- 

 racis disco cinereo, alis subcinereis, strigis discalibus obscurioribus macu- 

 lisque tribus apicalibus fuscis, venis transversis nebulosis. Long. 3 ; 

 alar. 6 lin. 



Tawny. Head yellow beneath, with white tomentum about the eyes. 



VOL. II. Y 



