86 CEClDOMYZIDiE. 



basi flavis, thoracis disco pallide fusco, alis linipidis, costa nigro-fasca, 

 venis fuscis, halteribus albidis, abdominis segraentorum marginibus pos- 

 ticis fusco-pilosis, 7;e«/i(5i?<s pallide fuscis suhtus albo-flams. Long, f lin. 



'Fem. Pale yelloto, or wbitisli. Antennm sixteen -jointed, half the 

 length of the body. Wings limpid, with grey pubescence ; subcostal 

 vein near tlie costa ; transverse veinlet pale, but distinct, joining the 

 middle of the subcostal vein ; cubital almost straight from its junction 

 with the veinlet to its tip, which joins the costa at some little distance 

 from the tip of the wing; second branch of the anal vein curved to 

 the hind border. Oviduct elongated, whitish-yellow, without valves. 



Lives in the thickened, abnost subterraneous stalks of Galeoh- 

 dolon luiemn. 



27. obfuscata, Meig. Zw. i. 90. 5 (1818). Testacea, capite an- 

 tennisque nigris, thoracis disco fusco, alis liijalinis cinereo-pitbescentibns, 

 costa venaque cubitali nigricantibus, tibiis tarsisque fusco faseiatis. 

 Long. 4-f ; alar. 1^-2 Hn. 



Testaceous. Head and antennae black. Disc of tlie thorax brown. 

 JFinrjs hyaline, with grey pubescence ; costa and cubital vein blackish. 

 Legs with whitish reflections ; tihice and tarsi with brown bands. Male. 

 Joints of the antennae petiolated. Fem. Joints of the antennfe sessile, 



Not rare. (E.) The larva has been observed by M. Kalten- 

 bach to feed on the thistle. Meigen includes this species with 

 Lasioptera, but it seems to be nearer allied to Cecidomyia. 



28. Galii, Winn. MSS. ; Loew, Pr. Pos. Gymn. 37. 43 (1850); 

 Winn. Linn. Ent. viii. 235. 22 (1853). Mava, capite nigro-cinereo, 

 antice palpisque sordide tlavis, antennis pallide fuscis 16-17-articulatis, 

 thorace vittis tribus nigro-fascis, pectore nigricante, alis amplis limpidis, 

 costa venisque nigris, halteribus fuscis basi flavis, abdomine fulvo fasciis 

 nigris, pedibus fuscis subtus albidis. Long, f lin. 



Wings limpid ; transverse veinlet pale, situate at before the middle 

 of the subcostal vein ; cubital vein curved hindward, joining the costa 

 at a moderate distance from the tip of the wing. Male. Antennre 

 seventeen-jointed, rather shorter than the body ; joints and their peti- 

 oles of equal length ; second branch of the anal vein curved towards 

 the hind border. Fem. Antenntc sixteen- to seventeen-jointed, half tlic 

 length of the body ; second branch of the anal vein forming an obtuse 

 angle. Oviduct long, yellow, without valves. 



Lives ill the blister-like galls of the deformed flower-stalks of 

 Galium idiginosum and G. Mollugo, and enters the earth for its 

 transformation, 



29. pratorum, Winn. Linn. Ent. viii. 237, 23 (1853). Foem. 

 fulva, antennis 15-articulatis, thorace fusco-trivittato, alis/lavescentibiis, 



venis fuscescentibus, costa nigro-fusca, halteribus albis, pedibus pallide 

 flavcscentibus (in mortuis subpiceis). Long, f lin. 



Fem. Tawny. Antennae brownish -yellow, fifteen -jointed, half the 



