PSILIDES. 215 



Fal. ; Meig. ; Mcq. ; Zett. — corrir/iolata, Fal. Cinereo-tomentosa, capite 

 subtus albo, auteunarura articulo tertio ferrugineo, Jmmeris ferrugineis 

 alls suhcinereis, abdominis apice pedibusque ferrugineis. Long. 3|-4 ; 

 alar. 7-8 lin. 



Black, with cinereous toraentum. Head white beneath and about 

 the eyes. Frontalia bright red. Antenna) black ; third joint ferru- 

 ginous. Thorax with a ferruginous scapula on each shoulder. Wings 

 slightly grey. Halteres testaceous. Abdomen ferruginous towards the 

 tip. Legs ferruginous. Var. Legs tawny ; tips of posterior femora 

 darker. 



Generally distributed. (E. S. I.) 



3. ephippium, P. E. S. iv. 338. 108 (1792) ; Pz. ! Fn. xxvii. 21 ; 

 Fal. ; Meig. ; Mcq. ; Zett. — Tnulcc, Desv. Nigra, capite albo-tomen- 

 toso subtus fulvo, thorace rufo, alis limpidis apice nigricantibus, pedibus 

 testaceis, femoribus posticis nigro-bifasciatis. Long. 2i ; alar. 4 lin. 



Black. Head with white tomentum, tawny beneath. Frontalia 

 deep black. Thorax red. Wings limpid, with bluckish tips. Legs tes- 

 taceous ; hind femora with two black bands. 



Not rare. (E.) 



The following additional species of Calohaia have been recorded 

 as British : — 



1. cothurnata, Fz. 2. sellata, Meig. 



Subfamily YI. PSILIDES. 



Opomyzides p., Fal. Loxocerides, Hal. Piophilides p., Hal. Keriides 

 p., Hal. Loxoceridce, Bigot. Psilomydce, Bigot. PiophiUdce, Bigot. 



Alarum vence suhcostalis et mediastinalis conjunctce ; radialis apicenifere 



atlingens, discalis transversa prope marginem ; areolce pobrachialis et 



analis distinctcc, longce. Metatarsi postici graciles. 



Subcostal and mediastinal veins united. Radial vein extending nearly 



to the tip. Biscal transverse vein near the border. Pohrachial and anal 



areolets distinct, long. Hind metatarsi slender. 



The genera may be grouped thus : — 

 a. Head very long. Micropeza. 

 a a. Head transverse. 



b. Abdomen clavate. Tetanuea. 

 b b. Abdomen not clavate. 



c. Third joint of the antennte four times the length of the second. 



Loxocera. 

 c c. Third joint of the antennse about twice the length of the 

 second. 

 d. Antennae reaching the epistoma. Ciiyliza. 



