MUSCA. 107 



c c. Abdomen pale on each side. 



d. Wings of moderate length. Musca, Meig., etc. Sp'ecies 12. 

 d d. Wings long. Plaxemyia, Desv. Species 13. 

 a a a. Preebrachial vein forming a curve. 



b. Colour bright metallic. Pyrellia, Desv. Species 14-16. 



b b. Colour bluish-black. Morellia, Desv. Curtonevra p., Mcq. 



Cyrtoneura p., Zett. Species 17. 

 b b b. Colour not metallic. 



c. Abdomen tessellated. Cyrtoneura p., Zett. 



d. Tibise ferruginous. Anthomyia p., Wied. Muscina 3 Desv. 



Curtonema p., Mcq. Species 18. 

 d d. Tibiae black. Graphomyia, Desv. Curtonevra p., Mcq. 



Cyrtoneura p., Zett. Species 19. 

 c c. Abdomen spotted, not tessellated. Ctirtonevra p., Mcq. 



Cyrtoneura p., Zett. Species 20. 

 c c c. Abdomen without marks. Mesembrina, Meig. Species 21. 



1. erythrocephala, Meig. Zw. v. 62. 2 (1826), vii. 300. 2 ; Zett. 

 vomitoria, Fal. (var.) ; Mcq. Nigro-cyanea, albido-tomentosa, capite 

 subtus rufo nigro-hirto, antennis rufo variis, thorace nigro-quadrivittato, 

 alis cinereis, abdomine purpureo-cyaneo. Long. 3-5 ; alar. 8-12 lin. 



BLUE-BOTTLE PLY. Bluish-black, covered with whitish tomentum. 

 Head with black hairs beneath; frontalia dull black. Interantennaria, 

 face, epistoma, mediana, and later alia red; disc of the face black; palpi 

 reddish-tawny. Antennas red at the tip of the second joint and about 

 the base of the third ; sixth joint less than twice the length of the third. 

 Thorax with four black stripes, the inner pair double. Wings grey, 

 slightly tinged with brown about the veins near the base ; discal trans- 

 verse vein with two distinct curves, parted from the border and from 

 the flexure of the prsebrachial by hardly one-third of its length. Alula3 

 dark grey. Halteres luteous. Abdomen blue, rarely purplish, with 

 shining white tomentum forming large spots on each side. Legs black. 



Common. (E. S. I.) 



2. vomitoria, L. Fn. 1831 (1761) ; Schr. ; Pz. ! Fn. x. 19 ; Fal. ; 

 Meig. carnivora, F. mortuorum t F. fulvibarbis, Mcq. Nigro- 

 cyanea, albido-tomentosa, capite subtus rufo fulvo-hirto, facialibus et 

 epistomate runs, antennis rufo variis, thorace nigro-quadrivittato, alis 

 cinereis, abdomine purpureo-cyaneo. Long. 5; alar. 12 lin. 



BLUE-BOTTLE FLY. Bluish-black, with whitish tomentum. Head 

 clothed beneath with reddish-tawny hairs; facialia and epistoma red. 

 Antennae black ; second joint at the tip and third joint towards the 

 base beneath red. Thorax with four black stripes, the inner pair 

 double. Wings grey, slightly tinged with brown near the base. Alula3 

 dark grey. Halteres luteous. Abdomen purplish-blue, with shining 

 white tomentum on each side. Legs black. 



Common. (E. S. I.) 



