30 



STRATIOMID/E. 



Genus IX. SARGUS. 



SARGUS, Fb. ; Mg. ; LI. ; Fin. ; Mq. ; Ztt. Musca p., L. ; Spl. ; Fb. ; 

 Gm. ; Gf. ; Shr. Nemotelm p., Deg. RJiagio p., Shr. 



Corpus elongatum, mediae magnitudinis, sublineare, abdomine basi 

 sensim angustato, tenuiter pubescens, nitidum, subdepressum. Color 

 metallicus, virescens, aureo-splendidus ; pictura nulla. Epistoma 

 declive. Oculi nudi, remoti, senei. Antenna ft-articulatce ; arti- 

 culi tertius et sequentes flagellum fingentes suborbiculare ; sextus 

 setiformis, subterminalis. Scutellum inerme. Areola discoidalis 

 yenas 4 distinctiores emittens, fere usque in summum marginem 

 interiorem extensas. 



Mas. Oculi magis approximate Abdomen angustatum ; anus truncatus. 

 Foem. Oculi magis disjunct!. Abdomen paullo latius ; anus obtuse 

 rotundatus. 



Body of moderate size, long, narrow, smooth, shining, nearly linear, 

 metallic, somewhat depressed. Head semicircular. Epistoma declining. 

 Eyes large, green, often with purple bands, parted. Proboscis con- 

 cealed. Labium very short, flat, hollow, rounded and emarginate at 

 the tip. Maxillae subulate, as long as the labrum. Labium short, large, 

 cyjjjn^ical. Antenna ^-jointed, porrect, short, pilose, seated on the middle 

 of the front^ approximate at the base, inclined upwards, diverging towards 

 the tips ; first joint almost cylindrical ; second cyathiform, bristly, some- 

 what compressed, thicker than the first ; third, fourth, and fifth forming 

 an almost round flagellum ; sixth setiform, seated near the tip of the 

 fifth. Thorax oval, pubescent. Scutellum semicircular, unarmed. Wings 

 lanceolate, pubescent, incumbent, parallel. Alulae none. Halteres un- 

 covered. Abdomen with 7 segments, flat. Legs slender ; metatarsus 

 almost as long as the other four joints. 



These flies are remarkable for the brilliancy of their colours 

 and the elegance of their shape ; they inhabit flowers, leaves of 

 trees, hedges, and bushes, from the spring to the autumn, arid are 

 partial to honey-dew ; they are indolent, and their flight is slow, 

 and they quickly return to the spot whence they took wing. 



a. Ocelli seated on the front ; the fore one remote from the two hinder. 



Species 1-4. 

 a a. Ocelli seated on the vertex ; equally apart from each other. 



Species 5. 



1. cuprarius, L.? s. n. ii. 994. 92 (1767); Dg.; Fb.; Shr.; 

 Fb. ; Mg. ; Latr. ; Fin. ; Mq. ; Ztt. violaceus, Spl. 840. 915 (1763). 

 cupreus, Gf. politus ? Shr. Cupreo-viridis, antennis nigris, alis sub- 

 dnereis fusco-semifasciatis, pedibus nigris, tar sis posterioribus tibiisque 

 basi femoribusyue apice fulvis ; Mas. capite fulvo-bimaculato, abdomine 



