Vol. XXviii] ENTOMOLOGICAL NEWS. 441 



2. Rostrum extending beyond metasternum 3. 



Rostrum not extending beyond metasternum 7. 



3. Species large, 9-10 mm. long 4. 



Species smaller, not exceeding 8 mm. long 5. 



4. First antennal joint considerably passing apex of head, and fourth 



joint about twice as long as the first nebulosus Stal. 



First antennal joint about reaching apex of head, and fourth joint 

 but little longer than the first formosus Dist. 



5. Second and third antennal joints equal af finis Dall. 



Second antennal joint shorter than the third 6. 



6. Posterior angles of pronotum broadly rounding. .. .procerus Berg. 

 Posterior angles of pronotum angular prolixus Stal. 



7. Species small, not exceeding 5 mm. long apicatus Stal. 



Species larger, exceeding 5 mm. long serratus Fabr. 



8. Basal joint of antennae scarcely or slightly passing apex of 



head fraterculus Say. 



Basal joint of antennae extending considerably beyond apex of 

 head 9. 



9. Lateral angles of pronotum broadly rounded 10. 



Lateral angles of pronotum not broadly rounded, angular n. 



10. Second antennal joint shorter than third siibrufus Dist. 



Second and third antennal joints equal croceus n. sp. 



11. Species small, less than 7 mm. long inanm/ratiis Spin. 



Species larger, 7 mm. or more long 12. 



12. Species 9 mm. long raphiinerus Spin. 



Species less than 9 mm. long 13. 



13. Lateral margins of corium appearing very wide and distinctly 



luteous bicolor Dist. 



Lateral margins of corium normal 14. 



14. Bucculae prominent, long, not disappearing before line of the 



eyes rcflexulus Say. 



Bucculae short, disappearing before line of eyes minor Spin. 



Harmostes nebulosus Stal 



Harmostcs nebulosus Stal, Hem. Mexicana, p. 307, Ent. Zeit, Nos. 7-9, 



1862. 



Head nearly twice as long as width between eyes. First joint of 

 antennae passing apex of head and about one-half as long as fourth 

 joint, second shorter than third, fourth not as swollen as the first. 

 Rostrum extending beyond metasternum with darkened apex. Buccu- 

 lae very prominent and rounding anteriorly and posteriorly. Lateral 

 margins of pronotum crenulated. Pronotum coarsely and evenly punc- 

 tate, median line distinct but not greatly raised. Membrane spotted 

 with fuscous. Hind femora greatly incrassated, spiiu-d heiu'ath with 



