294 
MODERN SYSTEM. 
Genus 510. ATHERIX. Mag., Latr., Leach. 
Antenna: moniliform ; the third joint not ringed, but terminated by a 
seta : palpi, erect. 
Sp. 1. Alh. maculala. Mcig. 
Inhabits borders of woods. 
Fam. V. DoLYCHoron.E. Leach. 
Dolycuopodes. Latreille. 
Palpi prominent, lamelliform: wings incumbent: antenna patelliform- 
Genus 511. DOLYCHOPUS. Latr., Fair., Wald c., Leach. 
Antenna half die length of the head; the third joint trigonal, bearing 
a seta on its hinder part. 
Sp. 1. Dot. nob'ditalus. Fabr., Leach. 
Inhabits moist places in woods and commons. 
Fam. VI. MydasidjE. Leach. 
Mydasii. Latreille. 
Palpi not prominent. 
Genus 513. THEREVA. I Mr., Leach. 
Antenna as long or longer than the head ; the last joint ovoid-conic, 
with a distinct style terminated by a seta. 
Sp. 1. Tlier. plebeia. 
Inhabits commons and woods. 
** Proboscis terminated by very small lips. 
Fam. VII. AsilidjE. Leach. 
Asilici. Latreille. 
Body long : wings incumbent : antenna three-jointed. 
Stirfs 1 . — -Tarsi terminated by two claws, and twopulvilli: antenna 
as long, or not much longer than the head. 
Genus 5 Id. LAPIIRIA. Meig., Lllig., Fabr., Latr., Leach. 
Antenna with their first joint longer than the second ; the last suboval, 
without a style. 
There is a British species of this genus, but I do not know its 
specific name. 
Genus 514. ASILU5 of authors. F.tiax. Scopoli. 
Antenna with their first joint longer than the second; tire last elon- 
gate-conic, terminated by a very distinct style. 
Sp. 1. Asi. crabroniformis. Fabr., Leach. (PI. 9. fig. 9.) 
Inhabits commons and heaths. 
Genus 515. DASYPOGON. Meig., Lllig., Latr., Leach, Fabr. 
Antenna with their two first joints nearly equal ; the last sub-cylindric» 
terminated by a minute, articuliform, conic style. 
