214 MUSCID^E. 



Genus VI. CALOBATA. 



CALOBATA, F. S. A. (1805); Pal.; Meig. ; Mcq. ; Zett. Musca p., 

 F. E. S. ; Gmel. ; Scliell. ; Schr. Ceijx, Dumr. Calobata et Ne- 

 rius, Desv. 



Corpus longum, gracillimum, vix setosum. Capnt oblongum. Frons 

 subproducta. Facies valde obliqua. Oculi magni. Proboscis crassa, 

 exserta. Palpi breves. Antennae brevissimsc ; articulus tertius sub- 

 rotundus, secundo paullo longior; sextus pubescens. Thorax longi- 

 subellipticus. Alae angustss. Abdomen thorace multo longius, apice 

 attenuatura. Pedes longi, graciles, nudi. Fcem. Oviductus latus. ($j 

 Body long, very slender, with very few bristles. Head oblong. Front 

 rather produced. Face very oblique. Epistoma and peristoma not 

 prominent. Eyes large. Proboscis thick, exserted. Palpi short. An- 

 tennae very short, not near reaching the epistoma ; third joint nearly 

 round, a little longer than the second ; sixth setaceous, stout, pubes- 

 cent. Thorax long-subelliptical ; transverse suture distinct. Things 

 narrow ; costal vein ending at very little beyond the tip of the wing ; 

 subcostal ending at very little beyond one-third of the length ; medias- 

 tinal ending at very little beyond half the length ; radial ending beyond 

 five-sixths of the length ; cubital diverging from the prsebrachial between 

 the transverse veins, curved towards it near the tip ; discal transverse 

 nearly straight and upright, parted by full thrice its length from the 

 praebrachial transverse, and by full half its length from the border. 

 Abdomen linear, much longer than the thorax, attenuated towards the 

 tip. Legs long, slender, bare. Fern. Oviduct broad. 



Note. The separation of the subcostal and mediastinal veins 

 is much less apparent in C. cibaria than in C. petronella, and is 

 still more indistinct in C. ephippium. 



a. Thorax with two black stripes. Species 1. 



a a. Thorax with ferruginous shoulders. Species 2. 



a a a. Thorax red. Species 3. 



1. cibaria, L. Fn. 1859 (1761); Schr.; Gmel.; Meig.; Mcq.; 

 Zett. cothurnata, Fal. Solidaginis, Desv. soror, Desv. Cinereo-to- 

 mentosa, capite subtus albo, antennarum articulo tertio luteo, thorace 

 nigro-bivittato, alls limpidis, abdominis apice pedibusque testaceis, femo- 

 ribus posterioribus apice fuscis. Long. 3 ; alar. 6 lin. 



Black, with cinereous tomentum. Head white beneath and about 

 the eyes. Antennae black ; third joint luteous. Thorax with two black- 

 ish stripes. Wings quite limpid. Halteres whitish. Abdomen tes- 

 taceous at the tip. Legs testaceous ; tips of posterior femora brown. 

 Male. Frontalia red. Fern. Frontalia luteous. 



Generally distributed. (E. S. I.) 



2. petronella, L. Fn. 1856 (1761); F. ; Schell. ; Schr.; Gmel.; 



