STRATI OMYS. 13 



Corpus oblongum, angustum. Color metallicus, abdomine interdum 

 pallido ; pictura nuUa. Oculi remoti. Palpi longi, triarticulati. 

 Scutellum spinis armatum. Alarum venae 3 longitudinales, prater 

 areolam analem subrectangulam longe retractam, in marginem in- 

 teriorem alas descendentes ; vena quarta longitudinalis abbreviata ; 

 vena cubitalis undulata ; furca brevis. Tibiae muticae. 

 Body narrow. Colour mostly metallic. Eyes remote in both sexes. 

 Head depressed. Palpi long, triarticulate, somewhat thicker towards 

 the tips. Antenna 10-jointed, long -fusiform, approximate, diverging, 

 a little longer than the head ; third and following joints forming a long- 

 conical flagellum. Scutellum armed with spines. Wings finely pubes- 

 cent; third, fourth, fifth, and sixth posterior areolets open to the 

 border ; fourth and sixth more or less united ; anal areolet remote from 

 the border ; cubital vein undulating, its fork short. Tibiae without 

 spurs. 



The flies of this genus inhabit woods ; they are nearly allied to 

 Beris, and have the same habits. 



1. tibialis, Mg. zw. ii. 3. 2 (1820) ; Lw. Viridis, capite nigro an- 

 tice albo, antennis nigris, articulis secundo et tertio fulvis, scutello spinis 

 quatuor fulvis armato, pedibus flavis ; Mas. proboscide flava, alis sub- 

 cinereis, stigmate fusco, abdomine lineari purpureo subtus fulvo, tarsis 

 fuscis basi flavis, femoribus posticis fuscis subtus et apice fulvis, tibiis 

 posticis fuscis clavatis ; Foem. proboscide fulva, alis limpidis, stigmate 

 fulvo, abdomine fusiformi fulvo maculis fuscis bivittato, femoribus 

 tibiisque posticis fulvis. Long. 2-J ; alar. 5 lin. 



Body slender, bright green, clothed with very short tawny hairs. 

 Head black, white in front. Antennae black. Scutellum armed with 

 four tawny spines. Halteres yellow. Legs yellow ; tarsi brown, yellow 

 at the base. Male. Proboscis yellow. Antennae with the second and 

 third joints dark tawny. Wings pale grey ; stigma brown. Abdomen 

 linear, dark purple, tawny beneath. Hind femora brown, tawny be- 

 neath and towards the tips. Hind tibiae dark brown, clavate. Fern. 

 Proboscis tawny. Antennae with the second and third joints* tawny. 

 Wings colourless ; stigma tawny. Abdomen fusiform, tawny, with a 

 row of triangular brown spots along each side. Hind femora tawny. 

 Hind tibiae tawny, with brown tips. 



Not common. (E.) 



Genus III. STRATIOMYS. 



STRATIOMYS, Gf. ins. ed. Fcry. (1784); Fb.; Mg. ; Pz. ; LI.; Fin.; 



Mq. ; Ztt. Musca p., L. Hirtea p., Spl. Odontomyia, LI. ; Mg. 

 Corpus ovato-oblongum. Antennae 7-8-articulatae ; articulus primus 



secundo longior ; tertius et sequentes ad septimum flagellum subfusiforme 



