CLASS V. INSECTA. 
293 
Fam. III. Tabanidje. Leach. 
■^ abaxh . Latreille. 
Haustellum with many set®. ' 
^tirps 1. — Wings divaricating: scutcllum without spines: antenna as 
long or a little longer than the head. 
Genus 506. TABANUS of authors. 
Proboscis a little shorter than the head, terminated by large lips: an- 
tenna as long as the head, the second joint cup-shaped, the third 
lunate-subulate, five-ringed : ocelli obsolete or wanting. 
®P- 1. Tab. bovinus. 
Cohabits meadows. 
St irps 2. — Wings divaricating: scutcllum without spines: antenna con- 
siderably longer than the heath 
Genus 507. HJEMATOPOTA. Meig., Wig-, Lutr., Fubr., Leach. 
Antenna with the first joint elongate, incrassate, the second very short, 
c up-shaped ; the third clongate-conic (longer than the first), tubu- 
lated, four-ringed : ocelli obsolete or wanting. 
1. Ham. pluvialis. Meig, Tabanus pluvialis. Linne. 
J 0habits woods and lanes, and is excessively troublesome to travellers. 
Genus 508. CIIRYSOPS. Meig., Illig., Lutr., Fetbr., Leach. 
Antenna with the two first joints of nearly an equal length, the third 
joint as long as both the others, cylindric-conic, five-ringed : ocelli 
three. 
®p. 1. Chry. COCltiiens. 
tabanus csecutiens. Linne. 
^uhabits woods, commons, and lanes. 
a. Proboscis (wlten at rest) entirely or partially prominent. 
* Proboscis terminated by two large lips. 
Fam. IV. Rhagionidje. Leach. 
lliHctox id.e. Latreille. 
A'ulpi prominent, cylindric-conic: wings divaricating: antenna gene- 
rally moniliform. 
Genus 509 . RIIAGIO. Oliv., Rossi, Cuv., Sfc. Leptis. Fabr. 
Antenna moniliform, the third joint not ringed, but terminated by a 
seta : palpi porrect. 
P- 1. Rha. scolopaceus. Latr. 
“habits the trunks of trees. 
