LEPTID.E. 63 



1. cylindricus, Dg. i. vi. 99. 10 (1752) ; Mg. ; Mq. ; Zll. ; Ztt.; 

 Lw. lividus ? Gfr. tipuloides, Fb. ; LI. ; Mg. ; Pin. fuscus, Mg. ; 

 Mq. Cervinus, capite subtus albo-piloso, epistomate aurato, thorace 

 fusco-trivittato, alls subcinereis, abdomine fusco-univittato, pedibus 

 fulvis nigro-vittatis, tibiis apice tarsisque nigris. Long. 2| 6 ; alar. 

 4-7 lin. 



Fawn-colour. Head clothed beneath and behind with whitish hairs. 

 Epistoma gilded, convex, beset with many pale yellow bristles towards 

 the peristoraa. Thorax with 3 broad brown stripes, beset with 2 or 3 

 black and yellow bristles. Wings very slightly tinged with grey, 

 rather more than half the length of the abdomen; veins black, tawny 

 towards the base. Halteres tawny, with pale brown knobs. Abdomen 

 striped with brown along the back, about four times the length of the 

 thorax. Legs tawny, more or less striped with black, beset with a 

 few yellow bristles; tips of the tibiae black; tarsi black, tawny at 

 the base. 



Generally distributed. (E.) 



FAMILY VI. LEPTID^E. 



LEPTID/F, \Vt\v. elf. (1840). Leptides, Mg. ; LI. f. n. ; Mq. ; Ags. ; Ztt. 

 Rhagionides, LI. gen. Tabanii p., Lm. Stratiomydce p., Ilfn. Aplocera 

 p., Dmr. Leptidoides, Brm. Leptites, Nwm. Anthracides p., Fin. 

 Rhagionidce, Lch. ; Ct. Leptina, Rdn. 



Proboscis et palpi porrecti. Ocelli 3. Antennae 4-articulatae, por- 

 rectae, basi approximates, setiformes. Abdomen segmentis 7. 

 Ocelli 3. Proboscis and palpi projecting. Antennae 4-jointed, 



porrect, approximate at the base ; fourth joint setiform. Alulae small. 



Halteres uncovered. 



The genera of this family may be thus divided : 



long : 3rd joint. 



4th joint of 

 the antennae 



conical or round : f open . . 1. LEPTIS. 

 Anal areolet< 



^closed . . 2. CHRYSOPILA. 



transverse . 3. ATHERIX. 



{short 4. PTIOLINA. 

 long 5. SPANIA. 



