350 Mr. A. H. Haliday's Descriptions of Dipterous Insects. 



Art. XLVIII. The characters of two new Dipterous Genera, 

 with Indications of some generic subdivisions and several un- 

 described species of Dolichopidce. By A. H. Haliday, Esq. 



Fam. TiPULiDiE. 

 Sub Fam. Culiciformes, Meig. 

 Sectio **. Proboscis antennis brevior, palpi incurvati. (Meig.) 



ORPHNEPHILA. 



Oculif route conjluentes : Ocelli 0. 



AnteniKB brevissimcB setacece basi glohosce, utriusque sexus nudcB. 



Tarsi antici elongati. 



jil(B incumbentes parallelcB, 



Caput subglobosum, oculis reniformibus fronte confluentibus : Ocelli 0. 

 Antennae capite breviores 1 1-articulatse : articulus basalis papilliformis 

 subimraersus ; 2**"* maximus globosus; 3*'"* 4'"* et 5*^"^ arete connati 

 quasi unicum magnum ovatum efficientes ; reliqui cylindrici tenues, e 

 quibus 6*^"' brevis subovatus, et 9°"* paulo brevior quam cxteri. Hypos- 

 toma parvum. Os haustello minimo incumbente, labellis niagnis : palpi 

 curvati antennis parum breviores 5-articulati: articulo primo parvo clavato; 

 2^0 et 3"° majoribus compressis; 5'" breviore. Alae areolis 2 disci 

 internis, viz, intermedia et brachiali anteriore : nervura transversa 2dam 

 et 3*'*™ postcostales connectens ultra areolarum apicem est sita : nervurae 

 radiantes ex iisdem simplices : margo costalis alse baud strictus at insequa- 

 liter sinuatus. Coxae inter se approximatae nee elongatas. Pedes graciles, 

 tibiis ecalcaratis : Tarsi articulo basali longissimo, 4'° brevissimo emargi- 

 nato, unguibus simplicibus ; antici elongati metatarso tibiam superante. 

 Abdomen brevius cylindriciun 8-annulatum ; segraento anali magno, in 

 mare ventricoso. (Tab. XV, fig. 2 — 9.) De metamorphosi nil constat. 

 1. devia. Tab. XV, fig. 1. 



Long. Corp. 2 lin. — Exp. alar. 4i vel minor. 



Caput nigro-fuscum, antennis et oculis nigris, ore fusco-pallido : Thorax 

 rufo-castaneus subnitidus; halteres pallidi: Abdomen antice nigro fuscum. 



