RHYNCHOPHORA. 
Females. 
(Males. Chapuis, Mon. Plat.) 
. Anterior end of prothoracic sulcus with a group of ten or more 
close punctures on either side. . . . . .- + + e 8 + 2. 
Anterior end of sulcus with 1 (rarely 2 or 3) pores on either 
side... ee ee ee ee ee BE 
Prothorax without groups of deep punctures or pores. . . - Il. 
. Front finely punctured towards the vertex (length 8 millim.) . Jatreillei, Chap. 
Front with very coarse transverse punctures towards the vertex 
(length over 10 millim.) 2. 2. 1. 2/6 ee ee es godmant, sp. 0. 
. Anterior tibize with numerous fine irregular carne . . . . 4 
Anterior tibie with five or six strong carne . . . - - + 6. 
. Prothorax sparingly punctured, the terminal depression of the [dohrni, Chap. 
elytra subconcave. . . . . «= . oe . . « acutidens, sp. n., and 
Prothorax closely and finely punctured, the terminal depression 
subconvex » 2. ee eee ee ee 
. Elytral interstices with numerous punctures. . - + + + : putzeysi, Chap. 
Interstices sparingly punctured . «© . 2. ee ee es filiformis, Chap. 
. Prothoracic sulcus with more than two adjacent pores . . . porosus, Sp. ll. 
Sulcus with a single pore on either side . . . re 
. Oral half of the front dull, not evidently punctured . . . . rudifrons, Chap. 
Front punctured or striate almost to the mouth, the oral border 
shining . 6 ee ee ee ee eB 
. Oral half of front with transverse strige or strigose punctures . 9. 
Oral half of front with deep circular punctures. . - . ~ Siprorus, sp. n. 
. Strigz of the front obsolete on the oral border. . . - - > 10. 
Strigze of the front continued on to the oral border . . - - haagi, Chap. 
. Front with elongate strige . 1. - 2. 6 ee es ef 8 compositus, Say. 
Front with short strigose punctures . . - + © + + * 8 poriferus, Chap. 
. Elytra striate, with subconvex interstices - . 6. + + + 12. 
Elytra punctured in rows, the sutural stria alone impressed . 20. 
_ The alternate interstices subelevated . . . . . - + - + I. 
The interstices similar throughout . . . . . 18. 
. Aboral half of the front rugose or areolate, without deep 
impressed punctures . . we ee 14 
Aboral half of the front with scattered ‘deep punctures . . . 16. 
_ Aboral half of the front dull, not evidently areolate . . . . auritus, Chap. 
Aboral half subnitid, areolate . . 2. . 1.) ee ee DS, 
_ Prothorax oblong (length 5 millim.) . . . . . . . . + deyrollei, Chap. 
Prothorax quadrate (length 10 millim.) . . . «© . +s : dolabratus, sp. 0D. 
. Prothorax quadrate . . . re © i 
Prothorax oblong (length under 5 millim.) Loe ee ee 6porrectus, Chap. 
