CLASS V. INSECTA. 293 



Fain. III. T.vBANiD.T.. Leach. 

 T A B A N' I r . Lutrcille. 

 Ihtustellum with many setae. 



8tirps 1. — Wbif^a divaricating: scutdlum witliout spines: antenna a?. 

 long or a little longer than the head. 



Genus .500. TABANUS of authors. \ 



Proboscis a little shorter than the head, terminated by large lips: an- ^ 

 tenna as long as tlic head, the second joint cup-shaped, the third 

 lunate-subulate, iive-rin;^cd : ocelli obsolete or wanting. 

 Sp. 1. Tab. bovinus. 

 Inhabits meadows. 



Stiups 2. — ir<»gs divaricating: sc«;t7/M/« without spines: nn/cHn^ con- 

 siderably longer than the head. 



Genus 507. lI.EMATOPOTA. Meig., Illlg., Latr., Tabr., I^ach. 



Antenna with the first joint elongate, incrassate, the second very short, 

 cup-shaped; the third elongate-conic (longer than the first), tubu- 

 lated, tour-ringed: ore//« obsolete or wanting. 



Sp. 1. llceni. pluvialis. Meig. Tabanus pluvialis. lAnnc. 



Inhabits woods and lanes, and is excessively troublesome to travellers. 



Genus 508. CIIRYSOP.S. Meig., Illig., Latr., Fabr., Leach. 

 Antenna with the two first joints ot" nearly an equal length, tlie third 



joint as long as both the others, cylindric-conic, five-ringed : ocelli 



three. 

 Sp. 1. Chry. cacutiens. 

 Tabanus caecutiens. Linnc. 

 Inhabits woods, commons, and lanes. 



a. Troboscis (zvken at rest) entirely or partialli/ prominent. 



* Proboscis terminated bi/ tioo large lips. 



Fam. IV. RiiAGiONiD.?;. Leach. 



RHAGiONiD.qE. Latreille. 



Palpi prominent, cylindric-conic : rcings divaricating: antenna gene- 

 rally monililbrm. 



Genus 509. RHAGIO. Oliv., Rofsi, Cut., Sfc. Leptis. Fair. 

 Antenna moniliform, the third joint not ringed, but terminated by a 



seta: palpi porrect. 

 Sp. 1. Hhu. scolopacens. Latr. 

 inhabits the trunks of trees. 



