MODERN SYSTEM. 
292 
very long, the latter subfusiform, compressed, with five rings : tho- 
rax bispinose. 
Sp. 1. Stra. Chamakon. (PI. Vi. jig. 4.) 
Inhabits marshy places. 
Genus 500. ODONTOMYIA. Meig., Illig., Latr., Leach. 
Antenna a little longer than the head; the last joint cylindric-coniCj 
with six rings : thorax bispinose. 
Sp. 1. Odont.fureatu. 
Inhabits marshy places. 
Genus 501. CLITELLARTA. Meig., Illig., Leach. Epiiippii’M' 
Latr. 
Antenna a. little longer than the head, with their last joint conic, si*' 
ringed, the two last forming a little style: thorax bispinous, the 
spines erect. 
Sp. 1. Clit. Ephippium. Meig. 
Inhabits the skirts of woods : is rare in Britain. 
Genus 502. NEMOTELUS of authors. 
Antenna half the length of the head, the third joint fusiform, four- 
ringed : proboscis sheathed beneath a rostelliform process on which 
the antennae are inserted. 
Sp. 1. Nem. uliginosus. Fabr., Leach. 
Inhabits flowers in meadows. 
B. Antenna terminated bp a style or seta. 
Stirps 3. — Scutellum spined. 
Genus 503. OXYCERA. Meig., Illig., Latr., Leach. 
Antenna with their first and second joints forming a sub fusiform club? 
the third st.yliform. 
Sp. 1. 0.r. Hy drolcon. 
Inhabits marshes and meadows. 
Sitr.ps 4. — Scutellum without spines. 
Genus 504, VAPPO. Latr., Fabr., Leach. Paciiygaster. Meig' 
Antenna with their two first joints transverse; the second with the 
third joints forming a sub-hcmispheric head. 
Sp. 1. Lap. ater. 
Inhabits hedges in lanes near DarcntWood in July. 
Genus 505. SARGUS of authors. 
Antenna terminated by a seta longer than the antennas, their second 
joint elongate : abdomen generally oblong. 
Sp. 1. Sargus cuprous. 
Inhabits umbelliferous flowers in marshes. 
