MEROMYZA. 225 



Corpus sat longum, Frons producta. Facies obliqua. Antenna; breves ; 



articulus tertiusfere rotundm ; arida gracilis, mala. Femora postica 



crassa ; tlhi<B podlccB arcuatcB. 



Body rather long. Head not broader than long. Front produced. 

 Face oblique. Proboscis and palpi short. Antennm not reaching the 

 epistoma ; tliircl joint nearly round, longer than the second ; sixth 

 slender, bare. Wings rather naj:row ; costal vein ending at about four- 

 fifths of the length of the wing ; subcostal ending at one-third of tlic 

 length ; radial ending at beyond half the length ; cubital ending at 

 about four-fifths of the length ; prccbrachial ending on the hind border 

 near the tip ; pobrachial ending at beyond half the length ; discal 

 transverse straight, upright, parted by a little more than its length 

 from the prtebrachial transverse, and by full four* times its length from 

 the border. Abdomen longer than the thorax. Legs of moderate 

 length. Hind femora thick. Hind tihice curved. 



The Meromyzoi frequent herbage. The species arc few in num- 

 ber, and may be thus distinguislied : — 

 a. Thorax with black stripes. 



b. Abdomen longer than the thorax. Species 1. 



b b. Abdomen almost twice the length of the thorax. Species 2. 

 a a. Thorax with pale red stripes. Species 3. 



1. saltatrix, L. Fn. 2317 (1761); Fal.; Meig. ; Mcq. ; Zett.— 

 m.inuta, Gmel. ; F. — clavicrns, Schr. ; Gmel. Viridis, antennis supra 

 fuscis, thorace nigro-trimituto, alis sublimpidis, ahdomine thorace longiore 

 e macidis nigris trivittato. Long. 1^-lf ; alar. lf-2f lin. 



Pale-green. Head with a forked luteous mark in front. Front less 

 produced than in M. pratoi'irm ; a black dot on the vertex. Antennae 

 brown, pale green beneath and towards the base. Thorax with three 

 black stripes. Wings nearly limpid. Abdomen longer than the thorax, 

 with three rotvs of black dots. 



Common. (E. S. I.) 



2. pratorum, Meig. Zw. vi. 165. 1 (1830) ; Mcq.; Zett. — viridula, 

 Hal. Viridis, antennis piceis, thorace nigro-trivittato, ahs limpidis, 

 abdomine thorace fere duplo longiore vitta dorsali macnVwiiie duahus 

 basalibus nigris, tibiis tarsisque fidvis. Long. 2|- ; alar. 3 lin. 



Pale-green. Head with a forked luteous mark in front ; a black dot 

 about the ocelli. Antenna? piceous, pale green towards the base. Tho- 

 rax with three black stripes. Wings limpid. Abdomen almost twice the 

 length of the thorax, with a black dorsal strijje, and with a black dot on 

 each side at the base. Tibia3 and tarsi tawny. 



Common. (E. S. I.) 



3. variegata, Meig. Zw. vi. 165. 2 (1830); Mcq.; Zett. Flava, 

 antennis apicc fuscis, thorace viitis tribiis rtifis diiahusqiie nigris, alis 

 sublimpidis, abdomine c maculis nigris trivittato. Long. 1^-lf ; alar. 

 2i-3 lin. 



VOL. II. 2 G 



