208 MUSCID^E. 



b. Legs of moderate length. 



c. Scutellum of the metathorax developed. Themira. 



c c. Scutellum of the metathorax obsolete. Saltella. 

 b b. Legs long. Calobata. 



Genus I. SEPSIS. 



Sepsis p., Fal. ; Meig. ; Wied. ; Latr. ; Curt. Musca p., E. S. ; 

 Gmel. ; Schr. ; Pz. ; Coq. TepJirltis p., Y. S. A. Micropeza p., Latr. 

 Micropeza, Desv. 



MetatJwracis scutellum bene deter tnhiatum. AI(B apice nigro-macidatce. 

 Abdomen subpetiolatum, convexum, arcuatum, apice subtus incur- 

 vum ; segmentum primum loiigum, apice supra tumidum. Pedes 

 graciles ; tibiae arcuatfe. Mas. Abdomen subclavatum. Femora 

 tihiceque antica subtus dentata et sp'mosa. Fcem. Abdomen longi- 

 ovatum. 



Scutellum of the metathorax distinct. Wings with a black spot at each 

 tip ; costal vein ending on the hind border at a short distance from the 

 tip of the wing ; subcostal ending before one-third of the length ; me- 

 diastinal ending before half tlie length ; radial ending at about seven- 

 eighths of the lengtli ; cubital ending at the tip ; prtebrachial diverging 

 from the cubital between the' transverse veins, slightly converging to 

 it between the discal transverse and the tip ; discal transverse nearly 

 straight, parted by much more tlian its length from the prsebrachial 

 transverse and from the border. Abdomen slightly petiolated, convex, 

 arched, incurved beneath at the tip ; first segment long, tumid at the 

 tip. Legs slender ; tibiae slightly curved. Male. Abdomen subclavate. 

 Tore femora and fore tibice dentate and spinose beneath. 



1. cynipsea, L. S. N. ii. 997. 113 (1767) ; D. G. ; Scop.; P.; 

 Schr. ; Gmel. ; Oliv. ; Latr. ; Pal. ; Meig. ; Mcq. ; Zeii.—fnlgida, 

 Desv. Nigro-viridis, pedibus nigris, antennis fuscis, alis hyalinis, ab- 

 domine cupreo purpureoque micante. Long. 1-li ; alar. lf-2i lin. 



Greenish-black. Plead seneous-black behind. Antennae brown ; 

 arista black. Thorax aeneous on each side. Wings limpid. Plalteres 

 yellow. Abdomen somewhat cupreous, with a p\n-ple band on each 

 segment. Legs black; coxas brown; fore coxae red ; femora brown at 

 the base and at the tips ; fore tibiaa brown with red tips ; middle tibiae 

 with brown tips. Var. /3. Male. Scutellum of the metathorax aeneous. 

 Var. y. Male. Abdomen whoUy cupreo-aeneous. Var. 8. Male. Abdo- 

 men aeneous ; first and second segments with blue bands ; fore tibiae 

 and metatarsi red. Var. c. Fern. Abdomen cupreous ; first segment 

 aeneous-green on the hind border, second purple on the disc; hind 

 femora red at the base. 



Generally distributed^ and abundant from the spring to the 

 autumn ; sometimes in great swarms. (E. S. I.) 



