26 Rev. T. A. Marshall's Monograph of 



squamula) blackisli ; radicles testaceous ; stigma pale, almost hyaline ; 

 basal nervnres brown ; all the exterior nervures effaced except the 

 commencement of the radial. Legs rufotestaceous, including the 

 coxfe ; femora and tibiae infuscated above, or almost entirely, both 

 ends remaining pale. Abdomen stout in the juiddle, lanceolate, 

 acute at the extremity ; 1st segment rufescent, nearly linear, 2j 

 times as long as broad, the tubercles situated before the middle ; 

 2nd in great part pale testaceous, fuscescent at the sides ; segments 3 

 to 5 brown ; the two apical segments pale testaceous. Valves of the 

 terebra pale, streaked with fuscous above. ^ Unknown. Length, 

 1 ; exp. 2 lines. 



I captured two females in the south of England, probably 

 Devonshire. 



3. Monodonus caricis, Haliday. 



AjjJiidius (J/.) caricis, Hal., /. c, $ ; Rutlie, Stett. Zeit., 



1859, p. 314. 

 M. caricis, Marsh., I. c, $ $ . 



? Blackish brown ; abdomen pale brown or dull-ferruginous, 

 black at the extremity. Antenna) testaceous at the base ; the scape 

 blackish. Wings hyaline with an obscure tinge ; stigma pale. Legs 

 tlavorufous or ferruginous. First abdominal segment shorter than 

 in nervosum. Valves of the terebra brown or testaceous. ^ Black ; 

 antenntc as long as the body, 16-jointed ; legs piceous or ferru- 

 ginous at the articulations ; abdomen narrower than that of the $ , 

 pale piceous, blackish at the extremity, and sometimes on the 1st 

 segment. A variety occurs in which the colours are paler. Length, 

 ■] ; exp. 1| lines. 



Occurs rarely in swampy places on the fescue-grass, 

 Festuca pratensis, on sedge, (Jare.i^ and various Graminaceee. 



V. TRIOXYS, Haliday. 



Hal, Ent. Mag., i, 488 (1833). 



Head transverse, rounded, more bulky than in the preceding 

 genera. Maxillary palpi 4-, labial 2-jointed. Antennie of the 9 

 short, sometimes incrassated towards the tips, 11-jointed (rarely 10- 

 or 12-jointed) ; those of the ^ 13-jointed. IMesothoracic furrows 

 obsolete. Praidiscoidal areolet confounded with the 1st cubital ; 



