316 Mr. F. Walker's Characters of undescribed Dlptera 



Aricia c'lrculatrlx. 



Fcem. — Cana, setis nonniillis longis validis, capite albido, fronta- 

 libiis atris, palpis piceis, antennarum articulo 3" longo basi 

 rufo, arista plumosa, thorace vittis quatuor angustis nigris, 

 abdomine lasciis diiabiis latis cinereis, pedibus fiilvis validis 

 longiusculis, tarsis nigris, alis sub-ciiiereis, vena discali trans- 

 versa iiitus siib-arciiata, alulis albis, halteribus fidvis. 

 Female. — Hoary, moderately broad, witb some long stout 

 bristles: head white; frontalia deep black, widening in front; 

 epistoma not prominent ; palpi slender, piceous ; antennae nearly 

 reaching the epistoma; third joint slender, linear, red at the base, 

 about four times the length of tl.e second ; arista plumose, much 

 longer than the third joint ; thorax with four slender black stripes; 

 abdomen with two broad cinereous bands in the middle, not longer 

 than the thorax ; legs tawny, stout, rather long ; tarsi black ; 

 wings greyish ; veins black ; discal transverse vein slightly curved 

 inward in the middle, parted by very much less than its length 

 from the border, and by more than its length from the praebrachial 

 transverse vein ; alulae white ; halteres tawny. 



Length of the body 4.5 lines ; of the wings 10 lines. 

 Mexico. 



Aricia inducla. 

 Cinerea, capite albido, antennis nigris, articulo 2° rufo, thorace 

 vittis quatuor nigricantibus, abdnmiue sub-tessellato, pedibus 

 testaceis, tarsis nigris, alis sub-cinereis. 

 Cinereous : head whitish in front about, the eyes ; antennae 

 black ; second joint red ; thorax with four blackish stripes ; ab- 

 domen slightly tessellated ; legs testaceous ; tarsi black ; wings 

 greyish ; veins black, testaceous towards the base ; discal trans- 

 verse vein angular inward, parted by less than its length from the 

 border and by a little more than its length from the prsebrachial 

 transverse vein. 



Length of the body 3^ lines; of the wings Q)\ lines. 

 New South Wales. 



Genus Ophyra, Desv. 

 Ophyra inlendens. 

 Nigra, nitens, thorace vittato?, pectore cinereo, alis cinereis, 



venis transversis nigro-nebulosis, halteribus testaceis. 

 Black, shining : palpi and antennee black ; arista bare ; thorax 

 striped?; pectus with cinereous tomentum ; wings grey; veins 

 black ; transverse veins clouded with black ; discal transverse 



