1 74- r August, 



anterovenivnl bristles tnwards tip, Ijut .sluirt-hnired posteroventraily. 

 Front tibine usually witliout a bristle behind ; hind tibiae with about 

 2-3 small anteroventral bristles, 2 rather stronger anterodorsal, and 

 sometimes 1 small posterodorsal, bristles. Squamae whitish. 

 Halteres yellow. 



2 . Usually larger and distinctly darlcer than the male and with 

 tliorax distinctly striped. Interfroutalia continued about half-way 

 down frons. Thorax grey with distinct brown stripes (a narrow 

 central, with a broad side stripe each side); the stripes may coalesce 

 immediately in front of suture and a side stripe may indistinctly 

 split up into two, especially behind the suture. Scutellum grey. 

 Abdomen with very distinct (and constant in all lights) brown 

 patches, small on first segment, very large and extending broadly on 

 hind margins of second and third segments. Ovipositor ending in 

 hairy papillae, without spines. Chaetotaxy of legs as in male, 

 ijength 4-5 mm. (nearly 6 mm. in some females). 

 This species is fairly common in tlie north in June and July, 

 Specimens having been examined from I^och Assynt (Sutherland) ; 

 the Isle of Arran ; Nethybridge, Aviemore, and Glenmore (Inver- 

 ness) ; Eannoch and Aberfoyle (Perth); Jleattock (Dumfries); 

 liydal (Westmorland); taken by Mr. Verrall, Col. Yerbury, 

 Mr. C. G. Lamb, and Mr. A. E. J. Carter. Col. Yerbury also caught 

 a .specimen on Mjunyd Eppynt (Brecknock) at about 1200 feet 

 elevation on Augu.st 7th, 1913, and Mr. II. W. Andrews caught it 

 ut Glengariff (Co. Cork) in August 1908 and May 1911. Dr. Meade 

 recorded it from Windermere. 



It has previously been known under the name aolitaria Zett., but 

 Zetterstedt's species is not a Limnophora but one of the Coenosinae, 

 and apparently identical with Pseudocoenosia lonyicauda Zett. In 

 Kertesz's Catalogue L. serta Pand. is quoted as a synonym, but 

 I'andelle described this species as having " Protergum : bande 

 mediane glabre, sauf deux paires de macrochetes fines peu elev^es " 

 " Antennes .... style nu" " meditergum obscurci entre les lignes 

 lat6rales de macrochetes " " $ : rase entieremeut d'un gris clair '' 

 besides other small points in the venation, which do not agree with 

 the species described above, but answer better to a description of 

 veterrwm Zett. 1 therefore cannot accept the name serta Pand. for 

 this species. 

 36 (35) Thorax broadly darkened between the rows of dorsocentral bri.stU.e. at 

 least behind the suture. Scutellum dark. Interfroutalia produced 



almost to front of frons *16. veterriina Zett. 



signnfa Stein. 

 J . Froua about as wide as in solitariana, but differing in having a 

 long pointed silvery-grey interfrontalia, and with the bristles along 

 orbits .shorter and stouter. Frontalia also conspicuously silveiyin 

 some lights. Thorax, viewed from in front, grey, with a narrow dark 

 central stripe in front and broadly darkened (up to the lines of 

 dorsocentral bristles) behind the suture. Viewed from behind it 

 appears much more extensively darkened, including dark patches 

 above the base of each wing separated from the broad dark middle 



