LIMNOBIA. 287 



Testaceous. Head and palpi black. Antennae black towards then- 

 tips. Thorax with a black stripe. Wings nearly limpid ; veins black, 

 testaceous towards the base ; stigma dark brown. Halteres with brown- 

 ish tips. Abdomen blackish, tawny at the tip. Legs black ; femora to- 

 wards the base and coxa testaceous. 



The larva feeds on the dry stalks of Angelica sylvestris. Its 

 habits are detailed by Ferris in the Ann. Soc. Ent. Fr. 2 me ser. 

 vii. 881. Not rare. (E. S. I.) 



10. lineola, Meig. Zw. i. 128. 21 (1818); Mcq.; Gimm.; Staeg.; 

 Zett. Lutea, capite albido, palpis nigris, antennis testaceis apice nigris, 

 thorace vitta fusca, alls subcinereis, stiff mate obsoleto, tarsis fuscis. Long. 

 4 ; alar. 8 lin. 



Luteous. Head whitish. Palpi black. Antennae testaceous, black 

 towards the tips. Thorax with a brown stripe. Pectus testaceous. 

 Wings very slightly greyish ; veins black, testaceous towards the base ; 

 stigma obsolete. Halteres whitish. Abdomen testaceous, long. Legs 

 dull testaceous ; tarsi brown. 



Not rare. (E. S. I.) 



11. nigrhia, Meig. Zw. vi. 277. 71 (1818). Nigra, thorace cinereo 

 vit-tis tribus nigris nitidis, pectore et metathorace canis, alls subcinereis, 

 stiff mate nigro-fusco,femoribus basi coxisquefulvis. Long. 4 ; alar. 8 lin. 



Black, with grey tomentum. Palpi and antennae black. Thorax icith 

 three black shining stripes. Pectus and metathorax hoary. Wings grey- 

 ish ; veins black, luteous at the base ; stigma blackish-brown. Hal- 

 teres tawny, with brownish tips. Legs black ; femora towards the base 

 and coxae tawny. 



Not common. (E.) 



12. straminea, Meig. Zw. vii. 28. 88 (1838). Testacea, alis lim- 

 pidis, femoribus tibiisque apice tarsisque fuscis. Long. 5 ; alar. 10 lin. 



Testaceous. Wings limpid ; veins testaceous, black towards the tips. 

 Halteres with brown knobs. Tarsi and tips of the femora and of the 

 tibiae brown. 



Bare. (E.) 



SECTION 6. 



///. Petiole of the first externo-medial vein longer than its fork. 



ff. Petiole of the first externo-medial vein not twice the length of its fork. 



Mediastinal vein joining the subcostal at a little before two-thirds of 

 the length of the wing, connected with the costal by a transverse vein- 

 let very near its tip ; subcostal ending at about five-sixths of the length 

 in a transverse veinlet between the radial and the costal ; radial and 

 cubital springing from a short common petiole, which proceeds from 

 the subcostal at much beyond half the length of the wing ; radial 

 forked at much before half its length ; cubital forming near its base an 

 angle, whence proceeds the first extemo-medial ; the latter is forked at 



