i»2i.) 105 



appaiviitly only one) preapical bristles. Abdominal claik patches 

 larirtr, lirst segment much more extensively darkened 



*4. 6rt/<<c« Ringdahl. 



fumipennis Stein nee Zett. 



S. Resembling coM^rac^j/j-ons, but eyes more narrowly separated 

 on frons ; occiput less strongly bristled on middle part and less 

 putTed out below. Sternopleural bristles placed as usual 1 : 2. 

 Abdomen with larger dark markings and more flattened dorso- 

 Tentrally towards tip ; median dividing- line between each patch 

 nai'rower in proportion to width of patch. Hind femora with 3-4 

 anteroventral bristles towards tip and conspicuously long-haired 

 about the base both antero- and posteroveutrally. Wings smoky, 

 cross-veins rather closer together. 



2 . Interfrontalia reaching almost to front of frons. Thorax 

 greyer, with a distinct narrow central browai stripe and a more .suf- 

 fused and abbreviated side stripe each .side. Abdomen with con- 

 spicuous brown patclies. Legs bristled as in the male, but hind 

 femora about base with tmly a few much shorter hairs postero- 

 veutrally. 



Lf-ngth about 4'5 mm. 



Tliis species is now recorded as British from only one pair taken 

 by Col. Yerbury at Rrodie (Klgin), the male on June 5th, 1905, and 

 the female on July 12th, 1004. He also took what apjiears to be a 

 fpniale of this species, though the interfrontalia is not so produced 

 and the abdominal dark patches not quite so distinct, at Studlnnd 

 (Dorset) on July 29th, 1909. According to Kingdahl (Eut. Tid.-kr. 

 1918, p. 165), this species is the L. fiimijyennis of Stein but not of 

 Zetterstedt. 



10 (1) Noi'mally four pairs of postsutural dorsocentral bristles. 



11 (34) Frons narrow, never at narrowest part three times as wide as third 



antennal joint, usually much narrower. 



12 (13) Middle tibiae with a distinct posteroventral bristle below middle 



.... *5. brunneisquama Zett. 

 ar'tnipes Stein. 

 J . Frons at narrowest part only slightly wider than 3rd antennal 

 joint, and about as wide as facial orbits. Jowls about \ the vertical 

 diameter of eye. Third antennal joint short, hardly twice as long as 

 second joint ; arista distinctly thickened at base and microscopically 

 pubescent. Thorax black, but varying much in colour according to 

 the point of view and incidence of the light. Humeri, notopleural 

 depression, and extreme front of thorax rather greyish, the latter, 

 however, showing- a narrow black central stripe. Sternopleural 

 bristles 1:1. Abdomen rather broad, ovate, and dorsoventrally 

 flattened. First segment almost entirely black, second with a pair 

 of large trapezoid dark patches, third segment with much smaller 

 more triangular patches, and fourth segment somewhat darkened 

 about middle. I'ront tibiae occasionally with a flue bristle behind 

 at middle ; miildle tibiae with, in addition to the distinctive bristle- 

 beneath, usually 1-2 anterodorsal and 2 posterodorsal bristles; hind 



