260 MUSCIDiE. 



Subgenus 1. Hydrina. 



Hydrina, Desv. E. M. (1830). NotipUla p., Fal. ; Zett. Ephydra 

 p., Meig. 



Fades proclivis, subti'iangulariSy convexa, lalej'ibus mbtilUer ciliata. Palpi 

 parum dilatati. Antennce mediocres ; articido tertio snbdejlexo, oblongo, 

 dorso subimpresso. Arista piibescens dut dorso pectinata. Vena dis- 

 cali-reciirrens ab alee marc/ine distans. Abdomen Z-annulat/an, con- 

 vexum, aplce (jlabrimi. 

 Face slanting, almost triangular, convex, finely ciliated on each side. 



Palpi hardly dilated. Antenna: of moderate size ; third joint slightly 



defiexed, oblong, a little impressed above. Arista pid)e&cent, or pectinated 



above. Discal-recurrent vein remote from the border of the wing. Abdo- 



meji with five segments, convex, smooth at the tip. 



The species may be divided into two sections : — 



a. Arista with long hairs, or pectinated on the back. Species 1. 



a a. Arista pubescent. Species 2-7. 



1. picta, Fab Act. Holm. 1813. 254. 11. 13 (1813) ; Meig. ; Hal. ; 

 Zett. Antennis subttis pedibusque testaceis, thorace fiisco utrinqne linea 

 alba, scntello aterrimo. Variat femoribus nigris, aut pedibus nigris, 

 tarsis basi rufescentibus. Long. \; alar. 1 lin. 



Antenna beneath and legs testaceous. Thorax broton, with a white 

 stripe on each side. Scutelhnn deep black. Var. /3. Femora black. 

 Var. y. Legs black ; tarsi rufescent at the base. 



Common on grass in shady places. (J^- 1-) 



2. punctato-nervosa, Fal. Act. Holm. 1813. 254. 12. 14 (1813); 

 Meig. ; Hal. ; Zett. Antennis pedibusque Jlavis, thorace cinereo, alls 

 seriatim fusco-punctatis, venis transversis fuscis. Long, -j; alar. 1| lin. 



Antenna and legs yelloiv. Thorax grey. Wings with rows of brown 

 dots ; transverse veins broicn. 

 In sandy places. (E. I.) 



3. flavipe.s, Fal. Hydr. 12. 15 (1813) ; Meig. ; Hal. ; Zett. Facie 



antennis pedibusque flavis, thorace ciitereo, venis transversis fuscis. Long. 

 |-; alar. ItV lin. 



Face, antenna', and legs yellow. Thorax grey. Transve7'se veins brown. 



Not rare in meadows. (E. I.) 



4. stictica, Meig. Zw. vi. 121 (1830); Mcq. ; Hal. Facie anten- 

 nis pedibusque fiavis, thorace cinereo fusco-vittato, alarum venis transversis 

 et puncto fuscis. Long. |- ; alar. 1|^ lin. 



Face, antenna;, and legs yellow. Thorax grey, with broxon stripes. 

 Wings tvith brown transverse veins n)id a broivn dot. 

 Common in meadows. (E. I.) 



