94 CECIDOMYZIDiE. 



pedibusnigris, coxls, genubus, femoribus basi libiisque apiceflavis. Long. \ 

 lin. 



Male. Yellow. Antennae brown, nearly twice tlie length of the body ; 

 joints as long as their petioles, rather shorter towards the tips of the 

 antennae. Thorax with three almost contiguous brotcn stiipes. Wings 

 limpid, with grey pubescence ; veins brownish ; transverse veinlet joining 

 the middle of the subcostal vein ; anal vein curved to the hind border. 

 Abdomen yellowish-brown, with whitish sutures. Legs black; coxae, 

 femora at the base, knees, and tips of the tibia yelloio. 



Habits unknown. 



53. peregrina, Winn. Linn. Ent. viii. 252. 40 (1853). Mas, 

 flava, antennis fuscis basi flavis corpore duplo longioribus, thorace vittis 

 trib/is fuscis, alis limpidis, veuis fuscis, halteribus pedibus(.\}XQ /;rt^^/(/w, 

 tarsis paUide fuscis. Long, f lin. 



Male. Yellow. Antennae brown, yellow at the base, twice the length 

 of the body ; petioles as long as the double joints towards the tips of 

 the antenna?, the apical petioles even longer. Thorax with three broicn 

 stripes. Wings limpid, with dark grey pubescence ; veins brown ; mar- 

 gins stout, biackish-brown ; transverse veinlet at beyond the middle 

 of the subcostal vein. Halteres and legs pale ; tarsi brownish. 



Lives in galls on the leaves of Prnnus spinom and Salix aurita, 

 and generally changes in the earth ; those galls also produce Acari. 



54. nana, Winn. Linn. Ent. viii. 252. 41 (1853). Flava, antennis 

 paUide fuscis, thorace vittis tribus fuscis, alis Hmpidis, venis fuscis, pe- 

 dibus paUide fuscis, tarsis obscurioribus ; Mas, antennis corpore duplo 

 longioribus ; Fcem. antennis corpore vix brevioribus, abdomine fulvo, 

 oviductu brevi lameUis duabus rotuudatis. Long, i lin. 



Wings with grey pubescence ; veins brown, very slender ; transverse 

 veinlet at two-thirds of the length of the subcostal vein ; second branch 

 of the anal vein curved to the hind border. Legs pale broicn ; tarsi 

 darker. Male. Antennae twice the length of the body ; joints as long 

 as their petioles ; double joints twice the length of the single joints. 

 Fern. Antennae almost as long as the body ; joints longer by hall' than 

 their petioles. Abdomen tawny. Oviduct short, with two rounded 

 valves. 



Habits unknown. 



55. tibialis, Winn. Linn. Ent. viii. 253. 42 (1853). Mas, palUde 

 flava, antennis fuscis corpore duplo longioribus, alis limpidis, venis 

 nigris, halteribus albis, abdomine fulvo, pedibus albidis, femoribus tar- 

 sisque supra nigro-fuscls. Long. \ lin. 



Male. Pale yellow. Antennae brown, twenty-six-jointed, twice the 

 length of the body ; double joints as long as their petioles. Thorax 

 with whitish hairs, among which are a few black bristles. Wings 

 limpid, with black pubescence ; veins black ; transverse veinlet beyond 

 the middle of the subcostal vein ; second branch of the anal vein cui'ved 



