234 



a. Wings moderately broad. 



b. Thorax with three stripes. Species 1. 



6 b. Thorax not striped. Species 2. 

 a a. Wings narrow. 



b. Thorax testaceous. Species 3. 



b b. Thorax ferruginous, partly black. Species 4. 



1. germinationis, L. Fn. 1874 (1761); F.; Gmel.; Fal.; Meig.; 

 Mcq. ; Zett. Fulva, capite flavo subtus albido, antennis luteis, thorace 



ferrugineo-trivittato, alis subcinereis fusco variis, abdomine plus minusve 

 piceo. Long. H-2 ; alar. 3-3^ lin. 



Tawny. Head yellow, whitish in front and beneath. Antennae 

 luteous. TJiorax with three pale ferruginous stripes. Wings greyish, 

 of moderate breadth, irregularly clouded with brown along the fore 

 borders and at the tips ; transverse veins clouded with brown ; discal 

 transverse vein parted by nearly twice its length from the praebrachial 

 transverse. Halteres and legs testaceous. Abdomen with a piceous 

 dorsal stripe, or with piceous bands, or wholly piceous. 



Yery abundant. (E. S. I.) 



2. florum, F. E. S. iv. 352. 164 (1792); Meig.; Mcq.; Zett. 

 Testacea, alis hyalinis subtestaceis fusco-quadrimaculatis. Long. 2 ; 

 alar. 4 lin. 



Testaceous. Wings hyaline, of moderate breadth, with a slight testa- 

 ceous tinge, clouded with brown at the tips and on the transverse veins, 

 and with a brown spot on the praebrachial vein beyond the discal trans- 

 verse, which is parted by more than its length from the prasbrachial 

 transverse. 



Not rare. (E.) 



3. combinata, L. S. N. ii. 997 (1763) ; F. ; Gmel. ; Fal. ; Meig. ; 

 Mcq. ; Zett. germinationis, Schr. maculata, Schr. Testacea, alis lim- 

 pidis angustis fusco-trimaculatis, abdomine plus minusve nigro. Long. 

 H ; alar. 3 lin. 



Testaceous. Wings narrow, limpid, with brown tips, an irregular 

 brown mark on the fore border very near the base ; veins testaceous ; 

 discal transverse vein clouded with brown, nearly upright, parted by 

 more than twice its length from the praebrachial transverse, and by a 

 little less than its length from the border. Abdomen with black bands, 

 or wholly black except the base. 



Abundant. (E. S. I.) 



4. tripunctata, Fal. Geomyz. 2. 2 (1820); Meig.; Mcq.; Zett. 

 Ferruginea, nigro-varia, capite pedibusque fulvis, alis angustis sub- 

 cinerascentibus nigro-quadrimaculatis, abdomine nigro. Long, li; 

 alar. 3 lin. 



Ferruginous. Head tawny. TJiorax varied with black, with a very 

 slight metallic tinge. Wings hyaline, very slightly greyish, with a 



