112 MH. i\ WALEEE ON NEW SPECIES OP DIPTEEA 



pisque fulvis, antennis ferrugineis arista thorace longiore, thorace 

 vittis tribus cupreis viridi marginatis, abdomine fasciis quatuor atris, 

 pedibus nigris, femoribus luteis apice nigris, tibiis basi piceis, alis vitta 

 costali lata fasciisque duabus subabbreviatis nigricantibus. 

 Female. Bright purplish blue ; nearly allied to P. varipennis. Head in 

 front and pectus with silvery tomentum. Proboscis and palpi tawny. 

 Antennae ferruginous; arista black, rather longer than the thorax. 

 Thorax with three cupreous green-bordered stripes. Abdomen with 

 four deep-black bands. Legs black ; femora luteous, black towards 

 the tips ; tibiae piceous towards the base ; fore femora and fore tibiae 

 with long bristles ; posterior tibiae with short bristles. Wings limpid, 

 with a broad blackish costal stripe which emits two irregular bands 

 nearly to the hind border ; veins and halteres black ; fore branch of 

 the praebrachial vein forming a curve near its base, hardly undulating 

 from thence to its tip ; discal transverse vein most deeply undulating. 

 Length of the body ^^ lines ; of the wings 10 lines. 



Gen. DoLiCHOPTTs, Zatr. 



;^1. DoLiCHOPUs viCARius. FcPOT. Lsete viridis, capitc cyanco, anten- 

 nis fulvis, abdomine aeneo-viridi suturis nigris plagis lateralibus argen- 

 teis, pedibus lutescentibus, femoribus posticis tibiisque posterioribus 



■ apice tarsisque posterioribus nigris, alis cinereis, halteribus lutescen- 

 tibus. 



Female. Bright green. Head bright blue; face silvery. Antennae 

 tawny ; third joint short, conical ; arista short. Thorax very setose. 

 Abdomen aeneous green, with silvery cinereous patches on each side ; 



, sutures black. Legs lutescent ; hind femora and posterior tibiae with 

 black tips, the latter very setose; posterior tarsi black. Wings 

 cinereous ; veins black ; praebrachial vein slightly bent exteriorly to- 

 wards the cubital vein; halteres lutescent. Length of the body If 

 line ; of the wings 3^ lines. 



Fam. SYEPHTD^, Leach. 

 Gren. Pabagits, Latr. 



32. Paragus venosus. Fam. Nigro-cyaneus, capitis vitta chalybaea, 

 antennis nigris, abdomine plagis quatuor lateralibus albidis segmento 

 1" livido, tibiis basi albis, metatarsis subtus rufescentibus, alis cinereis, 

 halteribus albis. 



Female. Blackish blue. Head with a chalybeous stripe between the eyes. 

 Antennae black ; third joint oval, as long as the second ; arista not 

 longer than the third joint. First abdominal segment livid ; second and 

 third segments with a whitish patch on each side hindward. Tibiae 

 white towards the base ; metatarsi reddish beneath. Wings cinereous ; 

 veins black, clouded with blackish ; halteres white. Length of the 

 body 3^ lines ; of the wings 8 lines. 



