76 PROC. ENT. SOC. WASH., VOL. 20, XO. 4, APR., 1918 



8. Beak in'male fully as long as, and in female distinctly longer than, 



the prothorax //< ntilis LeConte 



Beak in male evidently shorter than, and in female subequal in 

 length to, the prothorax; eyes a little less distant; entirely black, 

 surface duller and more rugose proximo Fall 



9. Black, opaque, head rather sparsely punctate; antennae of female 



inserted at the middle of the beak, funicle more slender. 



alutacea LeConte 







Reddish-brown, opaque, head very densely punctured, antennae 

 of female inserted distinctly beyond the middle of the beak, 

 funicle stout imbellis Led mi <> 



Table of the North American Species of the group Magdalis Germar 



Claws toothed at base; thorax serrulate or dentate on sides in front. 



1. Mesosternum protuberant; head elongate conical; scape of an- 



tennae not attaining the eyes; body red or black barbita Say 



Mesosternum not protuberant; scape of antennae attaining or 

 passing the eyes 2 



2. Hind angles of prothorax feebly laminiform, disc densely punc- 



tured 3 



Hind angles broadly laminiform, covering the entire base of the 

 elytra, disc sparsely punctured, opaque; body black. . . .pandura Say 



3. Elytra feebly striate, intervals convex 4 



Elytra feebly striate, intervals flat inconspicua Horn 



4. Body and appendages unicolorous 5 



Body and appendages not unicolorous 6 



5. Body bronzy black aenescens LeConte 



Body ferruginous armicollis Say 



6. a. Body piceous or nearly black, elytra pale ferruginous, legs black, 



tarsi piceous pallida Say 



}). Body black, elytra with blue reflection; eyes flat, subtincta LeConte 

 c. Body entirely black but appendages sometimes otherwise col- 

 ored 7 



7. Tibiae, tarsi and antennae pale piceo-testaceous olijra Herbst 



Antennae and tarsi piceous 8 



8. Head broadly conical, eyes moderately convex, scutellum densely 



clothed with white pubescence gracilis LeConte 



Head elongate conical, eyes flat, scutellum feebly pubescent. 



salicis Horn 



Subgenus Rhinodes Dejean, 1821. 



Genus Rhinodes Dejean, 1821, Cat. Col., p. 98; type cerasi Linnaeus. 

 Genus Rhina (Megerle) Dejean, 1821, Cat. Col., p. 98 (not Latreille, 1802'. 



originally quoted in synonymy with Rhinodes; type therefore 



Linnaeus. 



