30 STKATIOMIDJ^, 



Genus IX. SARGUS. 



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

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



Corpus elongatum, mediae maguitudinis, sublineare, abdomine basi 

 sensim augustato, tenuiter pubescens, iiitidum, subdepressum. Color 

 metallicus, virescens, aureo-splendidus ; pictiu'a nulla. Epistoma 

 declive. Oculi nudi, remoti, ajnei. AntenncB ^-articulatce ; arti- 

 culi tertius et sequentes flagellum fingentes suborljiculare ; sextus 

 setiformis, subterniinalis. Scidelliim iuerme. Areola discoidalis 

 venas 4 distinctiores emittens, fere usque in summum margiuem 

 interiorem extensas. 

 Mas. Oculi magis approximati. Abdomen angiistatum ; anus truucatus. 

 Fcem. Ocidi magis disjuncti. Abdomen paullo latins ; anus obtuse 

 rotundatus. 



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

 metaUic, somewhat depressed. Head semicircidar. Ej)istoma declining . 

 Eyes large, gTeen, often with pm^^le bands, parted. Proboscis con- 

 cealed. Labium veiy short, flat, hoUow, rounded and emarginate at 

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

 cylindrical. Antennce ^-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 ; thii'd, fourth, and fifth forming 

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

 fifth. Thorax oval, pubescent. Scutellum semicircidar, unarnied. 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 brilhancy of their colours 

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

 trees, hedges, and bushes, from the spring to the autumn, and 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 liinder. 



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.— »/oZffm;«, Spl. 840. 915 (1703).— 

 cupreus, GL—polik(S ? Shr. Cupreo-widis, antennis nigris, alis siib- 

 cinereis fusco-semifasciatis, pedibus nigris, tarsis posterioridus tibiisque 

 basi femoribusque apice fulvis ; Mas. capite fidvo-biraaculato, abdomine 



