316 
LE CONTE.—LONGICORN COLEOPTERA 
We may now proceed to divide the Lepturidce according to the following scheme 
commencing with those most nearly related to the central group Cerambycida, and 
proceeding upwards to the most isolated form Leptura. 
A. Frons declivis, oculi intus valde emarginati, antennse inter oculos sit®. 
1. Caput postice constrictum, oculi transversi, elytra abbreviata. necydalis. 
2. Caput postice constrictum, antenn® illiformes. encyclops. 
3. Caput postice non constrictum, antenn® iiodos®. desmocerus. 
B. Frons plana, caput modice constrictum, vel sensim angustatum, oculi minus 
profunde emarginati; antenn® ante oculos vel vix inter oculos sit®. 
4. Oculi intus parum emarginati, mesosternum latum planum. 
5. Oculi intus parum emarginati mesosternum prosternumque gibba. 
6. Oculi antice emarginati, transversi, tibi® calcaribus terminalibus. 
7. Oculi antice emarginati, vix transversi, tibi® calcaribus ante apicem sitis, palpis 
apice rotundatim truncatis. 
8. Oculi incegerrimi, palpi recte truncati, mesosternum triangulare. 
9. Oculi vix emarginati, mesosternum gibbum. 
10. Oculi magni antice emarginati, tibi® calcaribus terminalibus. 
11. Oculi vix emarginati, palpi oblique truncati, mesosternum parallelum. 
PIODES. 
RHAGIUM. 
ARGALEUS.* 
TOXOTUS. 
ACMjEOPS. 
GAUROTES. 
CENTRODERA. 
EVODINUS. 
C. Frons plana, oculi valde emarginati, antenn® inter oculos sit®. 
12. Caput postice subangustatum, palpi labiales latiores. 
13. Caput pone oculos valde constrictum, palpi labiales non latiores, thorax angulis 
posticis productis, antenn® articulis non impressis. 
14. Thorax angulis posticis productis, antenn® articulis 5-11 impressis. 
15. Thorax angulis posticis non productis, antenn® articulis non impressis. 
ANTIIOPHYLAX. 
STRANGALIA. 
TYPOCERUS 
LEPTURA 
Subdivision I. LEPTUKID^. 
Group 1. 
This group is distinguished by a short head and deflexed front; the antenn® are 
situated between the eyes, which are emarginate ; the body is linear, not narrowed 
posteriorly ; it approaches the genuine Cerambycida:, and likewise the Lamiarim, from 
the latter it is distinguished by the simple anterior tibi®, from the former by the 
conical anterior cox®. The palpi are cylindrical, not dilated. 
* Khatuiuisiura lias the same characters, but is distinguished by having the mouth not prolonged, and tlic 
antenn® shorter than the body and serrate. 
