134 EMPID.E. 



Genus XVIII. ELAPHROPEZA. 



Elaphropeza, Mq. d. n. (1827) ; Ztt. Tacf/i/dromia i^., ¥\n. Heme- 

 rodromia p., Mg. 



Corpus miuutum, oblongura, glabnim, parum setulosura. Color luteus. 

 Oculi fere connexi. Proboscis brevis, verticalis. Paljn lati, pro- 

 boscide breviores. AntenuEe 4-articulat8e ; articulus tertius lonyus, 

 conicus ; quartus setiformis. Alee sublatiores ; vena ciibitalis sim- 

 plex ; vencB externo-iuedirE 2 ; areola discoidalis ei vena subanalis 

 nullce ; areola prcebracJdalis pobracJdali multo brevior. Pedes sim- 

 plices, valid! ; coxce femorihis breviores. 

 Mas. Anus obtusus. 

 Foem. Anus acutus. 



. Body minute, oblong, smooth, shining, luteous. Head globose. 

 Eyes almost connected beneath and above. Proboscis short, perpen- 

 dicular. Palpi broad, sJiorter than the jyroboscis. Antennae 4-jointed ; 

 first and second joints short ; third lonff, conical, much longer than the 

 first and the second ; fourth setiform, a little longer than third. Wings 

 rather broad ; cubital vein simple ; externo-medlal veins 2 ; discoidal 

 areolet and subanal vein none ; preebrachial areolet much shorter than 

 the pobrachial ; longitudinal veins simple ; second short ; third and 

 fourth very slightly diverging from each other ; fifth slightly curved 

 to the hind border. Legs simple, slender ; coxa shorter than the 

 femora. 



Male. Tip of the abdomen obtuse. 



Fern. Tip of the abdomen acute. 



Maphropeza and Platj/palpus seem to be alike in habit. 



1. ephippiata, Fin. d. s. emp. ii. 14 (1815); Mg.; Ztt. Lutea, . 

 capite nigro, antennis fuscis basi flavis, thoracis vittis duabus scutel- 

 loque nigris, alls limpidis, abdomine nigTO, pedibus flavis. Long. 1 ; 

 alar. 2 hn. 



Luteous, smooth, shining, thinly clothed with very short black hairs, 

 beset with a few black bristles. Head black. Proboscis yellow, with 

 a brown tip. Palpi yellow. Antennaj brown ; first and second joints 

 yellow ; third yellow towards the base. Thorax Avith 2 broad short 

 black stripes ; scuteUum black. Wings colourless ; veins tawny, 

 yellow towarcls the base. Halteres yellow. Abdomen black. Legs 

 yellow ; tips of the tarsi pale brown. 



Generally distributee!; appears in summer on herbage and on 

 the leaves of shrubs. (E. I.) 



