228 VLATYFEn-DM. 



Black. Wings coloui'less. liuUeres tawny. Legs yellow ; hind legs 

 blackish. Male. Hind border of the third and fourth abdominal segments 

 with interrupted lohite bands. Fem. Thorax with 3 silvery spots. Ab- 

 domen tvith 2 luteous and 2 silvery bands. 



Eare. In the British Museum. (E. I.) 



2. amcena? Mg. zw. iv. 12. 2 (1824); Mq. ; Zii.—leptiformis 

 var. c, Fhi. Atra, antemiis pedibusque piceis, ahs limpiclis, halteribus 

 luteis, tibiis tarsisque anterioribus fulvis ; Fcem. thorace maculis 3 argen- 

 teis, abdomine antice fulvo postice fascia argentea. Long. 1^ ; alar. 

 Si lin. 



Male. Deep black, velvet-like. Antennce piceous. Wings colour- 

 less. Halteres luteous. Legs piceous ; anterior tibice and tarsi taicny , 

 the latter piceous towards the tips. Fem. Thorax with 3 silvery spots. 

 First, second, and third abdominal segments luteous ; fifth tvith a silvery 

 hand. Femora tatcny. 



Eare. In Mr. Stephens^s collection. (E. I.) 



8. speciosa, Mg. zw. iv. 14. 6 (1824); Mq. ; Ztt. d. s.—lepti- 

 formis var. /3, Ztt. a. h. Atra, alis limpidis, halteribus piceis apice 

 nigris, tibiis tarsisque anterioribus ferrugbieis ; Foem. thorace maculis Z 

 argenteis, abdomine fasciis 1 lutea 2>que argenteis, femoribus ferrugineis. 

 Long. 1|-; alar. 4 lin. 



Deep black. Wings colourless. Halteres piceous, zcith black knobs. 

 Legs black ; anterior tibice and tarsi ferruginous. Fem. Thorax with 3 

 silvery spots. Abdomen with 1 luteous and 3 silvery bands. Femora 

 ferruginous. 



Eare. In the collection of the Entomological Club. (E.) 



Var. Male with a silveiy spot at each side of the third segment. 

 In Mr. Haliday's collection. (I.) 



4. leptiformis, Fin. raeth. d. 25. 2 (1810); Mg. ; Mq. ; Ztt. 

 Aterrima, halteribus fulvis, alis hyalinis ; Mas. abdominis strigis 3 

 lateralibus argenteis ; Fcem. thoracis maculis tribus argenteis, abdominis 

 fasciis 3 interruptis, prima lutea, seqiientibus et quarta Integra argenteis. 

 Long. 1^ ; alar. 3i lin. 



Male. Beep black. IFings hyaline. Halteres fulvous, with ;i dusky 

 streak. Abdomen with a. silvery streak on each side of the secotttl, third, 

 and fourth segments. Legs dusky ; fore tibiae and metatarsi yellowish ; 

 hind tibiiie and tarsi blackish. Fem. Black. Head silvery. Thorax with 

 three silvery spots. Halteres fid vous, immaculate. Second segment of the 

 abdomen tvith a broad interrupted luteous band, third and fourth with 

 interrupted, sixth with entire silvery band. Legs luteous ; the tips of 

 the tarsi," the hind pair entirely, with the hind tibiae and knees, dusky. 

 Legs (especially hind pair) shorter and thicker than usual. 

 Eare. In Mr. Ilaliday^s collection. (I.) 



.5. antennata, Ztt. a. h. (1819). 79. 32; Fin. ; Mg. ; Mq. Mas. 

 Atra, alis subfuscis, halteribus pedibusque nigro-piceis. Foem. Nigra, alis 



