80 CECIDOMYZIU.E. 



middle of the subcostal vein ; cubital somewhat curved in the middle, 

 straight from thence to the tip, joining the costal at some distance in 

 front of the tip of the wing ; second branch of the anal vein curved 

 to the hind border. Male. Antennae fifteen- to sixteen-jointed, nearly 

 as long as the body ; joints towards the base twice the length of their 

 petioles, but only longer by one-third towards their tips. Fern. An- 

 tennae fifteen-jointed, half the length of the body. Abdomen with 

 broad black hairy bands, oviduct elongated, without valves ; first seg- 

 ment blackish, broad and thick ; second and third yellowish. 



Lives in the deformed leaf-borders of Salix viminalis. (E. S.) 



9. Sisymbrii, Schr. Fn. Boic. iii. 83. 2352 (1798); Loew; Winri. 

 Barbarea, Curt. Nigra, facie ferruginosa, proboscide palpisque al- 

 bidis, antennis nigro-fuscis, 16-17-articulatis, thoracis lateribus halte- 

 ribus abdomineque fulvis aut fuscis, alis subcinereis costa nigra, femo- 

 ribus basi subtusque flavis, tibiis tarsisque albo-nitentibus. Long. | 

 tin. 



Wings with black pubescence, and with blackish-brown veins ; trans- 

 verse veiulet pale, very oblique, joining the middle of the subcostal 

 vein ; cubital vein bent forward at its junction with the transverse vein- 

 let, thence curved towards the fore border, which it joins far from the 

 tip of the wing ; second branch of the anal vein curved obliquely, and 

 not abruptly to the hind border. Male. Antennas sixteen- to seventeen- 

 jointed, rather longer than the body ; joints as long as their petioles in 

 the middle, rather longer towards the base, and rather shorter towards 

 the tips of the antennae. Fern. Antennae sixteen-jointed, rather more 

 than half the length of the body ; oviduct elongated, very slender, with- 

 out valves ; second and third segments yellowish. 



Lives in May and June in the flowers of Barlarea vulgaris, and 

 from June to November in the folded, blister-like galls of Nastur- 

 tium sylvestre. 



10. salicina, Schr. Fn. Austr. 425. 884 (1781); Loew; Winn.; 

 Hardy, Scot. Gard. iii. 48 (1854). FriscJiii, Brerni. Nigro-fusca, 

 fasciculis argenteis, facie proboscide et palpis fusco-fulvis aut fuscis, 

 antennis ^-ll-articulatis, thoracis lateribus fulvo-vittatis, alis cineras- 

 centibus pilis obscurioribus, haltcribtis albidis apice nonnunquam fuscis, 

 abdomine carneo, fasciis dorsalibus nigris, pedibus subtus argenteis. 

 Long. | 1 lin. 



Costa of the wings squamose, stout, deep black ; veins dark brown ; 

 transverse veiulet pale, situate about the middle of the subcostal vein ; 

 cubital very slightly curved, ending at some little distance from the tip 

 of the wing ; second branch of the anal forming an obtuse angle, 

 slightly curved to the hind border. Male. Antenna sixteen to seven lecn- 

 jointed, nearly as long as the body ; joints as long as their petiole, rather 

 longer towards the base. Fern. Antenna sixteen-jointed, half the length 

 of the body. Abdomen tawny beneath. Oviduct elongated, without 

 valves ; two last segments whitish-yellow. 



I 



